________________
(b) Give saturation to these kṣāras and five salts with the juice of lemon seven times.
Next smear the leaf of bell metal with this essence. Then put it into a śārāvasampuța and heat it in a gajapuṭagni. There will take place the calcination of bell-metal by this process repeated several times.1
67
Jasta (Zinc)
Jasta or jasada (Zinc) has been mentioned in the Suvarna-RaupyaSiddhi-śastra in connection with some chemical process."
1. The process purification of jasta.:- Melt zinc 10 times in an iron cup and put it into oil. This is the process of purification of Zinc.3
2. Purify the leaf of zinc in the juice of Anacardium, next quench it in Goyala, in white oleander (Nerium odorum) in the urine of ass, in Euphantopsus Scaber (gobhi) in Auliphul, in the milk of Euphorbia antiquorum (vajri) in Aloe vera and Nisā.*
Some Chemical process by using Zinc.
Melt zinc in a covered crucible and stir it up with a wooden stick. If the stick gets melted, killed or decayed, it will come into use. On putting zinc again there becomes jodo (soap) again.
2. Make a leaf of zinc pai. 1., grind (pound) cinnabar mā. 1, realgar ma. 2, kaneri-Somal (oxide of arsenic), orpiment mã. 2, tamarind 1 (mā), juice of Aloe veral 1 (mā) and juice of Elephantopsus scaber 1 (mā) and and close them into a copper samputa; heat it in the fire of dry wild cowdung cakes-10 srs. and coal 3 srs. Rub realgar sr. in the essence of grapes and samdhava salt. (The Zinc plate will be purified if the essence is applied on it)
1. Trikṣāram pañcalavaṇam, saptadha'amlena bhavayet/Kamsya' arakūtapatrāņi tena kalkena lepayet/Ruddhyā gajapuțe pakvaṁ Śuddhabhasmatvamāpnuyat//,
Rs. 5/211.
2. SRSS. Ch. III. 1, 2, 3, 3, 16, 24, 39, 40, 70, 73, (jasta); III, 104,
107, (Jasad).
3. Ibid. III. 73.
4. SRSS. III, 6
5. Ibid-III. 40
6. Ibid,, 11. 2. 6.
Jain Education International
For Personal & Private Use Only
www.jainelibrary.org
