China Standard: GB 536-88 Liquefied Anhydrous Ammonia

The standard can be applied to liquefied anhydrous ammonia (liquid ammonia) made by hydrogen and nitrogen under high temperature and high pressure in the means of direct catalytic synthesis. The main purpose is to make nitric acid, inorganic chemical products and organic chemical products, chemical fertilizer and industrial raw materials used in the fields of freezing, metallurgy and medicine.