GB/T 27804-2011 Calcium fluoride

GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 5195.6-2006 Fluorspar—Determination of phosphorus content GB/T 5195.8-2006 Fluorspar—Determination of silicon dioxide content GB/T 5195.10-2006 Fluorspar—Determination of iron content—1,10-phenanthroline spectrophotometric method GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 6678-2003 General principles for sampling chemical products GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values 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 3696.2-2011 Inorganic chemical products - Preparation of standard solutions, preparations and articles for chemical analysis - Part 2: Preparation of impurity standard 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 3696.2-2002 Preparation of Standard Solutions for the Chemical Analysis of Inorganic Chemical Products with Impurities HG/T 3696.3-2002 The preparation of preparations and products used for chemical analysis of inorganic chemical products