A:Brief description:
DSHD-264A Automatic Acid Number Tester can meet the requirements of the National Standard of People’s Republic of China GB/T264 Test Method for Acid Number of Petroleum Produ…
DSHD-264 Acid Number and Acidity Tester is designed according the National Standard of People’s Republic of China GB/T264 Test Method for Acid Number of Petroleum Products and GB/T258 Test Method f…
A:Brief description:
DSHD-259 Water- Soluble Acid & Base Tester is designed according the national standard of People’s Republic of China GB/T259 Test Method for Water Soluble Acid & Alkali of Pe…
Nature Description: white crystalline powder.
Melting point 165-166 ℃ (168-170 ℃).
Soluble in acetone and ether, slightly soluble in chloroform, insoluble in water.
Purposes: as a plant …
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