1.1 This standard prescribes the requirements and the methods of sampling and test for anhydrous ammonia. The material is used for refrigeration purposes, and also for other industrial purposes such as for the manufacture of nitric acid, in the preparation of liquor ammonia, etc.
1.1.1 This standard does not cover the requirements of anhydrous ammonia for direct application to soil which are being covered under separate Indian Standard.
IS 662-1980 history
1980IS 662-1980 Specification for Anhydrous Ammonia