Contributions of Ancient Arabian and Egyptian Scientists on Chemistry

Contributions of Ancient Arabian and Egyptianof the chemical treatment and the substance
Scientists on Chemistrychosen for this purpose; the substance being
Md. Wasim Aktar* and M. Paramasivamcalled the 'Noble Stone' or 'Philosopher's Stone'.
Deptt. of Agril. Chemicals, Bidhan Chandra KrishiThis may be excrements, or blood, or hair, or
Viswavidyalaya, Mohanpur, Nadia, West Bengal,eggs, or anything else. After the substance has
India.been specified, it is treated along certain lines
Abstractsmentioned in their books. The result is an earthen
The modern chemistry is based on the findingsor fluid substance which is called Elixir. These
and thinking of the people of historical age. If nochemists think that if Elixir is added to silver which
one knows the base and work of the previous onhas been heated in a fire, the silver turns into
a subject, he or she could mere develop a newgold. If added to copper which had been heated in
thought or findings. For, a civilization must knowa fire, the copper turns into silver.
its past. Hence, the present work is a small effortThe question arises whether the metals are of
to find out the contribution of ancient Arabian andspecific differences, each constituting a distinct
Egyptian scientists in the field of Chemistry.species, or whether they differ in certain
Different scientists of different school of thought,properties and qualities and constitute different
correlating different streams of science beingkinds of one and the same species?
Chemistry as a main subject, are described in theAbü Nasr al-Färabi and
present work.his followers held the opinion that the difference in
Chemistry deals with the composition andmetals is caused by certain conditions such as
properties of substances and the changes ofhumidity and dryness, softness and hardness, and
composition they undergo. It has been divided intocolours such as yellow, white and black. According
Inorganic and Organic. The conception of this into him the metals are different kinds of one and
modern Chemistry came fromthe same species.
al-Rãzi's classification of chemicalOn the other hand, Ibn Sina and his followers
substances into mineral, vegetable and animal.believed that metals have specific differences and
Inorganic Chemistry, deals with the preparationbelong to different species, each of which has its
and properties of the elements, and theirown differential and genus, like all other species.
compounds, originally arose from the study ofAccording to Abü Nasr
minerals and metals, whereas Organic Chemistry,al-Färãbi, it is possible to
which deals with carbon compounds, developedtransform one metal into another, because it is
through the investigation of animal and plantpossible to change their conditions.
products."Ibn Sinà thought that such transformation
Prior to 1828 it was not possible to synthesizewas impossible. His assumption is based on the
organic substances from their elements and,fact that specific differences in metals cannot be
therefore, it was supposed that there existedchanged by artificial means. He believed that since
fundamental difference between Organic andthe metals are created by the Creator and
Inorganic Chemistry. In 1828 F. WohlerDeterminer of things, God Almighty, and the
synthetically prepared urea, an organic substance;mystery of their real character was utterly
thereby revealing that there was no fundamentalunknown and could not be perceived, any
difference between these two branches ofattempt for transformation would be
Chemistry. Since carbon compounds weremeaningless". (18)
numerous, their study separately made underAncient Arabs' art of transformation of metals
Organic Chemistry, and study of elements andwas based upon Hellenistic and Iranian traditions,
non-carbon compounds included in Inorganicbut apparently the main principles and the main
Chemistry'. (1)operations were already established long before
The earliest discoveries in Inorganic Chemistrythe 12th century. Before this century the Arabs
were made in metallurgy, Materia Medica, painting,had not only made many experiments, and
enameling, glazing, glass-making, arts, etc. Theseproduced several works on this art, but they had
arts, and many metals, compounds and alloysbegun to doubt and criticise the most advanced
were known to the Arabs. Similarly, thetheories concerning it. This proves that the
discoveries in Organic Chemistry were made instandard of their chemical thinking was advanced.
the arts of dyeing, tanning, the manufacture ofThe 12th and 13th centuries added very little to
paper, in the study of fats, both of plant andtheir knowledge about the transformation of
animal origin, in medicine, etc. Thus Chemistry hadmetals, but their research continued in various
its sources in photo techniques, mineralogy,fields. The main chemical writer of this age was
metallurgy, Materia Medica and decorative arts. ItAbu'l-Qãsim Muhammad al-Iraqi who
is the product of transmutation of baser metalsflourished in the second half of the 13th century.
into goldand philosophical thoughts of practical orHe was an experimenter and a theorist. His works
theoretical interest. Finally, it is the result of therepresent the full development of the Arabic
study of the properties of the substances.doctrine. (19)
A Greek philosopher, Empedocles, held the viewThe 14th century was an enlightened period when
that all the four elements, air, water, earth anda group of intelligent writers began to reject the
fire, were the primal elements, and that theidea of transformation of metals by chemical
various substances were made by theirmeans. One of such person was a historian,
intermixing. He regarded them to be distinct andRashid al-Din who described such chemical practice
unchangeable. Aristotle considered these elementsin Mongol Persia and expressed his distrust of
to be changeable i.e., one kind of matter could besuch chemists. The large encyclopaedic work
changed into another kind. (2)Nukhbat al-Dahr of al-Dimashqi contains, in part
Jábir ibn Hayyãnsecond, much information on metal, their
(Liatinized as Geber), a great Arabian Chemist ofproperties, and influences. (19) As usual in Arabic
the 8th century A.C., modified the Aristoteliantreatises, chemistry is mixed up with mineralogy
doctrine of the four elements, and presented theand geology. (20)
so-called sulphur-mercury theory of metals.Even in their purely chemical researches on
According to this theory metals differ essentiallytransformation of metals, the Arab chemists
because of different proportions of sulphur andachieved by no means unimportant results. In
mercury in them. He also formulated the theorytheir efforts to discover Elixir they often
of geologic formation of metals.discovered new chemical processes, and hit upon
Unlike his Greek predecessors, he did not merelythe catalytic properties of various substances.
speculate, but performed experiments to reachThe pains, which they took in the search of gold,
certain conclusions. He recognized and stated theultimately resulted in their great contribution to the
importance of experimentation in Chemistry. Hedevelopment of modern chemistry.
combined the theoretical knowledge of theThe last important chemist of the 14th century
Greeks and practical knowledge of the craftsmen,was 'Izz al-Din 'Ali Ibn al- Jildaki. Some twenty
and himself made noteworthy advance both intreatises are ascribed to him. The list shows
the theory and practice of Chemistry.al-Jildaki's great activity as a chemical writer. A
Jâbir's contribution to Chemistry iscomplete study of his vast writings is necessary
very great. He gave a scientific description of twoto know what he actually tried to establish. To
principle operations of Chemistry. One of them issome extent, this study was made by Ruska,
calcinations which is employed in the extraction ofStapleton, Holm yard, and their disciples.
metals from their ores. The other is reductionOne of al-Jildaki's important books entitled
which is employed in numerous chemicalNihâyat al-Talab fi Sharh al-Muktasab
treatments. He improved upon the methods ofcontains many quotations from the earlier works,
evaporation, melting, distillation, sublimation andand some novelties, as the use of nitric acid to
crystallization. These are the fundamentalextract silver out of the gold-silver alloy. Al- Jildaki
methods employed for the purification of chemicalremarked that the substances do not react
substances, enabling the chemist to study theirexcept by definite weights. (21) This is one of the
properties and uses, and to prepare them. Thefour fundamental laws of modern chemistry.
process of distillation is particularly applied forThe ancient chemists applied their chemical
taking extract of plant material.knowledge to a large number of industrial arts.
In the opinion of JÃ bir the cultivation ofOnly three such arts are mentioned here, which
gold was not the only object of a chemist. Thewill enable the readers to estimate the extent of
preparation of new chemical substances was alsotheir knowledge of Applied Chemistry.
regarded by him as the chief object ofPaper:
Chemistry. We owe to him for the firstPaper was invented by the Chinese who prepared
preparation of such substances as arsenic andit from the cocoon of the silkworm. Some
antimony from their sulphides, and basic leadspecimens of Chinese paper extant date back to
carbonate. He also did important work in thethe second century A.C. The first manufacture of
preparation of steel, and the refinement ofthe paper outside China occurred in Samarqand
metals. JÃ bir also deals with such(757). When Samarqand was captured by Arabs
applications as the use of manganese dioxide inthe manufacture of paper spread over the whole
glass-making, varnishes to water-proof cloth andArab world including the Maghrib. (Tunis, Morocco,
protect iron use of iron pyrites for writing in goldAlgiers).
and distillation of vinegar to concentrate aceticBy the end of the 12th century there were four
acid.hundred paper mills in Fasalone. In Spain the main
The most important discovery made by Jabir wascentre of manufacture of paper was Shatiba
the preparation of sulphuric acid. The importancewhich remained a ancient Arab city until 1239.
of this discovery can be realized by the fact thatCordova was the centre of the business of paper
in this modern age the extent of the industrialin Spain.
progress of a country is mostly judged by theThe Arabs developed this art. They prepared
amount of. sulphuric acid consumed in thatpaper not only from silk, but also from cotton,
country. Another important acid prepared by himrags and wood.In the middle of the 10th century
was nitric acid which he obtained by distilling athe paper industry was introduced in Spain. In
mixture of alum (of Yemen) and copper sulphateKhurasan paper was made of linen.
(of Cyprus). Then by dissolving ammoniumThere is an early treatise dealing with
chloride into this acid, he prepared aqua regiapaper-making, the Umdat al-Kuttab wa 'Uddatu
which, unlike acids, could dissolve gold in it.dhawi'l-Albãb which is ascribed to the
Jabir classified chemical substances, on the basisAmir al- Mu'izz' Ibn Badis, a ruler of the Zayri
of some distinctive features, into bodies (gold,dynasty (1015-61) in Tunis. The 11th chapter of
silver, etc.) and souls (mercury, sulphur, etc.) tothis treatise, dealing with paper, has been edited,
make the study of their properties easier.translated and elaborately discussed by the
Jãbir is the author of a large numberforemost student of Arabic paper, Josef
of books on chemistry and a book on astrolabe.Karabacek. This work explains how to prepare
About one hundred chemical works ascribed tothe pulp, make the sheets, wash and clean them,
him are extant. His fame chiefly rests on hiscolour, polish and paste them, and give them an
chemical books preserved in Arabic. (3)antique appearance. No text comparable to this in
We find that the author recognized and statedany other language of so early a date is known.
clearly the importance of experimentation moreThe preparation of pulp involves a large number
clearly than any other early chemist. Heof complicated chemical processes, which shows
remarkably sound views on methods of chemicalthe advancement of the chemical knowledge of
research. It is impossible to reach definitethe Arabs and Egyptians at that time.
conclusions regarding the extent of hisThe manufacture of writing-paper in Spain is one
contributions until all the Arabic writings ascribed toof the most beneficial contributions of Arabs to
him have been properly edited and studied. But onEurope. Without paper the scale on which popular
the basis of our present knowledge, Jabir appearseducation in Europe developed would have not
to be one of the greatest scientist whosebeen possible. The preparation of paper from silk
influence can be traced throughout the wholewould have been impossible in Europe due to the
period of the historical development of thelack of silk production there. The Arabs method
Arabian and European chemistry. In the light ofof producing paper from cotton could only be
these facts it would not be improper to calluseful for the Europeans. After Spain the art of
Jãbir as the father of Chemistry.paper-making was established in Italy (1268-76).
Some of the chemical writings to whichFrance owed its first paper mills to ancient Spain.
Jãbir's name is attached wereFrom these countries the industry spread
translated into Latin. The first such version, thethroughout Europe.
Book of the Composition of Alchemy was madeAnother type of paper; marbled paper, which was
by Robert of Chester in 1144. The Kitab al-Sab'incommon upon end-papers, paper covers and
(the book of the seventy) was translated byedges of books, was prepared in the East, and
Gerard of Cremona in the 12th century'. Theexported to the West. About the preparation of
translation of the Sum of Perfection was mademarbled paper Roger Bacon tells us: "The Turks
by Richard Russell. One of his books has beenhave a pretty art of chamoletting of paper, which
translated into French by Berthelot. (4)is not with us in use. They take diverse oiled
Several technical terms have passed fromcolours, and put them severally (in drops) upon
Jãbir's Arabic writings through Latinwater; and stirr the water lightly and then wet
into the European languages. Among these aretheir paper (being of some thickness) with it, and
realgar (red sulphide of arsenic), tutia (zinc oxide),the paper will be waved, and veined, like Chamolet
alkali, antimony, and alembic for distillation Vessel.or Marble'.
The Arabic equivalents for the last three wordsBooks bound in the West towards the end of the
are alqali, ithmad, and al-'anbiq respectively. (5)16th century are found with end-papers brought
Before Jãbir Ibn Hayyan, thefrom the East, but it was not until about a
Umayyad prince Khalid Ibn Yazid, who was acentury later that European binders began to
philosopher, poet and chemist, encouraged Greekmake them themselves. Hand-made marbled
philosophers in Egypt to translate Greek scientificpapers are now rarely used, but more or less
works into Arabic. These were among the earliestclumsily reproduced imitations still serve various
translations in Arabic from other languages. Hepurposes.
was himself deeply interested in medicine,There is an Arabic word 'rizma' meaning a bundle
astrology and chemistry. Many chemical worksof merchandise, which had been adopted in
are ascribed to him. One of them is entitledalmost every Western language with slight
Firdaus al-Hikmah fi'Ilm al-Kimiya. This work was invariations to mean a bundle of paper (English:
verse, and contained 2,315 couplets. (6)ream). This also testifies to the Arabic origin of
An encyclopaedic scientist, and philosopher, Abuthat business in the West. (22)
Yusuf Ya'qub al-Kindi considered the art ofTiles :
transformation of one metal into the other as anThe industry of tile-making which involves a large
imposture. A few of 'his numerous works dealingnumber of complex technical and chemical
with many sciences are extant. One of his worksprocesses, was highly developed by Arabs. The
is on pharmacy, a branch of applied chemistry. (7)earliest treatise, a Persian text, dealing with the
Chemistry was usually mixed up with mineralogymanufacture of faience, was unique of its kind in
and geology. The oldest Arabian lapidary whichworld literature until the 16th century. It has been
may serve as an important source of chemistrywritten by 'Abd Allah Ibn 'Ali KÃ shÃ
was written by 'Utärid Ibnni in the 13th century. This book entitled Jawahir
Muhammad al-Hãsib who flourished inal-'Arã'is Wa Aja'ib
the ninth century. It deals with the properties ofal-Nafä'is was written on precious
precious stones. (8)stones and perfumes. It explains the manufacture
In the same century Jãbir's workof Faience, the ingredients (as clay, borax,
was further advanced by al-Räzi whofeldspar, cobalt, lapis lazuli, lead, manganese, tin
wrote many chemical treatises, and described aetc.), their mixtures, the kiln processes and
number of chemical instruments. One of hisimplements, the methods of glazing and
treatises consists of 25 pieces of chemicaldecorating. This treatise is similar to the various
apparatus. He made investigations on specificother treatises on precious stones written in
gravity. One of his important works is on the artArabic and Persian. The final chapter deals with
of transformation of baser metals into the noblethe art of enamelled pottery. This account is
ones. He applied his chemical knowledge forspecially valuable because it is based on actual and
medical purposes, thus laying the foundation oftraditional practice. The maker of the beautiful
Iatrochemistry. (9)lustre 'mihrab' (arch) of the tomb of Imam
Other important chemists of this century wereYahyã (now in the Hermitage,
Dhu'l-Nün and al-Jà hiz. TheLeningrad), dated 1305 A.C., Yusuf Ibn 'Ali Ibn
former mostly dealt with the art of transmutationMuhammad, was possibly a brother of the author.
of metals. (10) The latter prepared ammonia from(23)
animal offals by dry distillation. (11)Ceramics:
In the tenth century Ibn Wahshiyah wrote onThe early history of Arabian and Egyptian
chemistry, His work may help to understandceramics has not so far been written. Many
chemical symbolism. Maslamah Ibn Ahmad, aninteresting specimens have been discovered in
astronomer, mathematician and oculist of thisrecent years which throw much light on the
century wrote two chemical works entitled,development of this industry in the Arab world.
Rutbat al-Hakim and Ghãyat al-Hakim.The centers of this industry were situated in
The second is well known in the Latin translationPersia, Mesopotamia, Syria, Egypt and Valencia
made in 1252 by the order of King Alfonso underfrom where various types spread rapidly
the title Picatrix. (12)throughout the Islamic Caliphate.
A Persian pharmacologist AbüUnder Arabian influence the potters in these
Mansür Muwaffaq Ibn 'Ali al-HarawiCenters revived old technical processes,
who flourished in Herat in the tenth century, wasdeveloped new ones and began to experiment
apparently the first to think of compiling a treatisewith decorative and ornamental schemes. The
on Materia Medica in Persian. He travelledArabian potters readily absorbed progressive
extensively in Persia and India to obtain necessaryideas but atthe same time maintained great
information. He wrote, between 968 and 977, aoriginality. Two types of pottery were in common
book entitled Kitab al-Abniyah 'anuse; enamelled and lustered. In enamelled pottery
Haqã'iq al-Adwiyah. It contains Greek,(the glazed earthenware) the Ancient s, from an
Syrian, Arabian, Persian, and Indian knowledge. Itearly period, were expert masters. In lustered
deals with 585 remedies (of which 466 arepottery also they made great progress. "In this
derived from plants, 75 from minerals, and 44the design is painted in a metallic salt on a glazed
from animals). He classified them into four groupssurface and fixed by firing in smike in a way that
according to their action, and gave the outline of agives it a metallic gleam, which varies in different
general pharmacological theory.specimens from a bright copper-red to a
Abu Mansür distinguished betweengreenish- yellow tint, and in some cases throws
sodium carbonate (natrum) and potassiumoff brilliant iridescent reflections. (24)
carbonate (qali). He had some knowledge ofIn the last chapter of the Persian text Kitab
arsenious oxide, cupric oxide, silicic acid, antimonyal-Jawähir' al-'Ara'is Wa
and so on. He knew the toxicological effects of'Ajã'ib al-Nafa'is, the author describes
copper and lead compounds, the depilatory virtuethe techniques of glazingwith two fires (lustres),
of quicklime, the composition of plaster of Parisleaf building, over glaze decoration fired in a muffle
and its surgical use. (13)kiln. (i.e.,separated from the flame, the source of
The greatest Arabian surgeon, Khalaf Ibnheat being outside), haf't rang, a Persian
'Abbäs al-Zahrãwi (d.termreferring to the seven colours of the planets.
1013) wrote a great medical encyclopaedia,There may be a reference to the polychrome
al-Tasrif in 30 sections, which contains interestingover glaze technique, the so called minai ware
methods of preparing drugs by sublimation and(another Persian term; mina-wash means lustre;
distillation, but its most important part is themina coloured). The author indicates differences
surgical one. (14)between the art as practiced in Kashan, Baghdad
Abü Rayhan Muhammadand Tabriz. In Baghdad and Tabriz other kinds of
al-Birüni (973-1048) took a greatfirewood and potash were used.
interest in the determination of the specificIn the 15th century the Arabian ceramic art was
gravity of eighteen precious stones and metals. Afollowed by Italian potters, who obtained much of
voluminous unedited lapidary by al- Biruni is extantthe mature technical knowledge from Arab
in unique manuscript in the Escorial Library. Itsources. This technical knowledge proved to be
contains a description of a great number ofhelpful in the revival of ceramic art during the
stones and metals from the natural, commercial,Renaissance. (25)
and medical point of view. Moreover, heREFERENCES :-
composed a pharmacology (saydalah).Important1. Encyclopaedia Britannica, chicago, 1951, p.360
information could certainly be obtained from his2. Ibid., p. 355.
unedited works, on the origin of Indian and3 Sarton George, Introduction to the History of
Chinese stones and drugs, which appeared in earlyScience, Washington, 1950, Vol I. p. 532.
Arabic scientific works. (15)4. Wasiti, Hakim Nayyar, Tibb al-'Arab (
Ibn Sinà wrote a treatise on minerals, whichãn Urdu Translation of Arabian
was very important and one of the main sourcesMedicine by Edward G. Browne), Lahore, 1954, p.
of geological knowledge, also a source of26.
chemistry in Western Europe until the5. Ibid.
Renaissance.6. Hãji Khalifah, Kashf
As mentioned before, mineralogy stood in closeal-Zunün, Istanbul, 1943. Vol., I, p.
relation to chemistry. Nearly fifty Arabic lapidaries1254.
have been named. The best known of them is.Al-Zirakli, Khair al-Din, Al-'Alãm vol. II
the 'Flowers of Knowledge of Stones', byp. 342.
Shihà b al-Din al-Tifãshi (died in7. Sarton, op. cit., p. 559.
Cairo in 1154). It gives in 25 chapters extensive8. Ibid., p. 572. Al-Qifti, op. cit. p. 251.
information on the subject of the same number9. Ibid., p. 271. Sarton, op. cit. p. 609.
of precious stones, their origin, geography,10. lbid, p. 592.
examination, purity, price, application for medicinal11. lbid, p. 597.
and magical purposes, and so on. Except for Pliny12. Ibid., pp. 620, 668.
and the superior Aristotelian lapidary, he quotes13. Ibid., p. 678.
only Arabic authors. (16)14. Ibid., p. 681.
The output of the books on Chemistry was very15 Ibid., p. 707.
great after the eleventh century. Thus, there are16. Ibid, vol. II, part II, p. 650.
known books of about forty Arabic and Persian17. Ibn Khaldun, Muqaddimah, English translation by
chemists. Ibn Khaldun, (d. 1406) the talentedFrenz Rosenthal, London, 1957, vol. 3, p. 267.
Arabian philosopher of history and the greatest18. Ibid. p. 278
intellect of his century, was a violent opponent of19. Haji. Khalifah, op. cit. p. 1936.
the idea of transmutation of metals by chemical20. Sarton, op. cit vol. III, part I, p. 759.
means. (17)21. Ibid. Vol. II, Part. II, p. 1045.
Some chemists thought that one metal can be22. Sarton, op. cit., Vol. III, Part I, p. 321.
transformed into another by artificial methods. For23. Sarton, op. cit vol. III , part I, p. 756.
such transformation they followed different24 Arnold and Guillaume, op. cit. p. 125.
procedures depending on the character and form