GB/T 26013-2010 Tin dioxide

GB/T 1480-1995 Determination of particle size for metallic powders—Dry sieving GB/T 1480-2012 Metallic powders—Determination of particle size by dry sieving 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 GB/T 10574.12-2003 Methods for chemical analysis of tin-lead solders—Determination of sulphur content GB/T 10574.12-2017 Methods for chemical analysis of tin-lead solders—Part 12:Determination of sulfur content—High frequency combustion with infrared absorption method GB/T 23274.1-2009 Methods for chemical analysis of stannic oxide—Part 1:Determination of stannic oxide content—Potassium iodate titrimetric method GB/T 23274.2-2009 Methods for chemical analysis of stannic oxide—Part 2:Determination of iron content—1,10-phenanthroline photometric method GB/T 23274.3-2009 Methods for chemical analysis of stannic oxide—Part 3:Determination of arsenic content—Molybdoantimonyarsenate blue spectrophotometric method GB/T 23274.4-2009 Methods for chemical analysis of stannic oxide—Part 4:Determination of lead and copper content—Flame atomic absorption spectrometric method GB/T 23274.5-2009 Methods for chemical analysis of stannic oxide—Part 5:Determination of antimony content—Malachite green photometric method GB/T 23274.6-2009 Methods for chemical analysis of stannic oxide—Part 6:Determination of sulfate content—Visual turbidimetry method GB/T 23274.7-2009 Methods for chemical analysis of stannic oxide—Part 7:Determination of soluble matter in hydrochloric acid—Gravimetric method GB/T 23274.8-2009 Methods for chemical analysis of stannic oxide—Part 8:Determination of loss on ignition—Gravimetric method GB/T 1480-2025 Metallic powders—Determination of particle size by dry sieving