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Hatari
Hexamethylenediamine: Adiponitrile Hydrogenated with Ammonia over Nickel, Howk 1939
Adiponitrile stirred with liquid ammonia and nickel under 1500–2000 lb/in² of hydrogen at 120 °C takes up hydrogen and becomes hexamethylenediamine (Howk, du Pont, US 2,166,151, 1939: 7500 g gave 6990 g). The ammonia keeps unwanted polymeric amines from forming. The diamine is the other half of nylon 66.
The picture: our diagram of the autoclave run.
Juu
A day
Maudhui hatari
Blueprint hii ina taratibu za hatari. Ingia na uwashe maudhui ya hatari katika mipangilio ya akaunti yako ili kuona maagizo ya hatua kwa hatua.
IngiaMchoro huu unatengeneza
Blueprint zinazohusiana
Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni
CC0 Umma Wote
Mchoro huu umetolewa chini ya CC0. Uko huru kunakili, kubadilisha, kusambaza, na kutumia kazi hii kwa madhumuni yoyote, bila kuomba ruhusa.
Saidia Mtengenezaji kwa kununua bidhaa kupitia Mchoro wao ambapo wanapata Kamisheni ya Mtengenezaji iliyowekwa na Wachuuzi, au unda marudio mapya ya Mchoro huu na uiunganishe kama kiungo katika Mchoro wako kuchangia mapato.