GB/T 13206-2022 Glycerines

GB/T 13206-2011 Glycerines

GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods 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 GB/T 13216-2008 Test methods for glycerine GB/T 13216.1-1991 Test methods for glycerines—Method of sampling for glycerines in drums GB/T 13216.2-1991 Test methods for glycerines—Determination of transparent GB/T 13216.3-1991 Test methods for glycerines—Determination of odour GB/T 13216.4-1991 Test methods for glycerines—Determination of color (Hazen unit—Platinum-cobalt scale) GB/T 13216.5-1991 Test methods for glycerines—Determination of density at 20℃ GB/T 13216.6-1991 Test methods for glycerines—Determination of glycerol content GB/T 13216.7-1991 Test methods for glycerines—Limit test for chloride GB/T 13216.8-1991 Test methods for glycerines—Determination of sulphated ash—Gravimetric method GB/T 13216.9-1991 Test methods for glycerines—Determination of acidity or alkalinity—Titrimetric method GB/T 13216.10-1991 Test methods for glycerines—Determination of saponification equivalent GB/T 13216.11-1991 Test methods for glycerines—Limit test for arsenic GB/T 13216.12-1991 Test methods for glycerines—Limit test for heavy metal GB/T 13216.13-1991 Test methods for glycerines—Test of reducing substances GB/T 21842-2008 Determination of diethylene glycol in toothpaste