GB/T 26026-2010 Methyltin mercaptide

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 3143-1982 Color determination method of liquid chemicals (Hazen unit—platinum-cobalt scale) GB/T 4472-1984 General rule for determination of density and relative density for chemical products GB/T 4472-2011 Detemination of density and relative density for chemical products GB/T 6488-1986 Test method for refractive index of chemical products GB/T 6488-2008 Liquid chemicals—Determination of refrative index at 20℃ GB/T 6488-2022 Liquid chemicals—Determination of refractive index GB/T 6678-2003 General principles for sampling chemical products GB/T 6680-2003 General rules for sampling liquid chemical products 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 10247-2008 Methods of viscosity measurement GB/T 10574.1-2003 Methods for chemical analysis of tin-lead solders—Determination of tin content