GB/T 19306-2003 Sodium cyanide for industrial use

GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB 19268-2003 Solid cyanide package TJ 36-1979 GB 190-1990 Labels for packages of dangerous goods GB 190-2009 Packing symbol of dangerous goods GB/T 1250-1989 Rules for expression and judgement of limiting values GB/T 6678-2003 General principles for sampling chemical products GB/T 6680-2003 General rules for sampling liquid chemical products HG/T 3696.1-2011 Inorganic chemical products for chemical analysis: Preparation of standard solutions, preparations, and products - Part 1: Preparation of standard titration solutions HG/T 3696.3-2011 Inorganic chemical products for chemical analysis - Preparation of standard solutions, preparations, and articles - Part 3: Preparation of preparations and articles HG/T 3696.1-2002 Preparation of standard titration solution for chemical analysis of inorganic chemical products HG/T 3696.3-2002 The preparation of preparations and products used for chemical analysis of inorganic chemical products