✦ LIBER ✦

Artificial quartz crystals

✍ Scribed by C.

Book ID: 103085868
Publisher: Elsevier Science
Year: 1880
Tongue: English
Weight: 61 KB
Volume: 109
Category: Article
ISSN: 0016-0032
DOI: 10.1016/0016-0032(80)90483-4

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✦ Synopsis

Gum Arabic

Solution.--The adhesiveness and durabill V of u solution of 100 parts gum arable in 250 parts water may be increased by adding 2 parts of sulphate of alumina.--Polytech. Notlzbl.

Artificial Quartz Crystals.--M~l. Friedel and Sarrazim have obtained quartz crystals by the aetlon of hydrochloric acid upon gelatinous silica in elosed vessels, at a temperature of 350 ° (662°F.). -S'oc. Chim. de Pclris.

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