UBUCIKO
UBUHLE NEMPILO
UBUCIKO BEZANDLA
AMASIKO NOMLANDO
EZOKUZIJABULISA
IMVELO
UKUDLA NEZIPHUZO
REVERSE ENGINEERING
IZAYENSI
EZEMIDLALO
UBUCHWEPHESHE
IZINTO EZIGQOKWAYO
Yingozi
Adiponitrile: Adipic Acid and Ammonia over Silica Gel, Lazier 1939
Adipic acid vapour, carried in a large excess of ammonia over silica gel at 325–350 °C, loses water and becomes adiponitrile (Lazier, du Pont, US 2,144,340, 1939). In his Example I, 617 g of acid gave 337.5 g of nitrile. Adiponitrile is the step between adipic acid and the diamine for nylon.
The picture: our diagram of vaporiser, catalyst tube and separator.
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A day
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