General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 26013-2010
Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and contract (or order form) content of tin dioxide. This standard is applicable to tin dioxide products produced by gasification or acid method using metal tin as raw material.
GB/T 26013-2010 Referenced Document
GB/T 10574.12 Methods for chemical analysis of tin-lead solders—Part 12:Determination of sulfur content—High frequency combustion with infrared absorption method*, 2017-10-14 Update
GB/T 1480 Metallic powders.Determination of particle size by dry sieving*, 2012-12-31 Update
GB/T 23274.1 Methods for chemical analysis of stannic oxide.Part 1:Determination of stannic oxide content.Potassium iodate titrimetric method
GB/T 23274.2 Methods for chemical analysis of stannic oxide.Part 2:Determination of iron content.1,10-phenanthroline photometric method
GB/T 23274.3 Methods for chemical analysis of stannic oxide.Part 3:Determination of arsenic content.Molybdoantimonyarsenate blue spectrophotometric method
GB/T 23274.4 Methods for chemical analysis of stannic oxide.Part 4:Determination of lead and copper content.Flame atomic absorption spectrometric method
GB/T 23274.5 Methods for chemical analysis of stannic oxide.Part 5:Determination of antimony content.Malachite green photometric method
GB/T 23274.6 Methods for chemical analysis of stannic oxide.Part 6:Determination of sulfate content.Visual turbidimetry method
GB/T 23274.7 Methods for chemical analysis of stannic oxide.Part 7:Determination of soluble matter in hydrochloric acid .Gravimetric method
GB/T 23274.8 Methods for chemical analysis of stannic oxide.Part 8:Determination of loss on ignition.Gravimetric method
GB/T 6678 General principles for sampling chemical products
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values