This standard specifies the brand, technical requirements, test methods, inspection rules, packaging, marking, storage, transportation and quality certificates of iron powder for titanium dioxide reduction by sulfuric acid method. This standard applies to iron powder used as reducing agent in the sulfuric acid method.
YB/T 4508-2016 Referenced Document
GB/T 1480 Metallic powders.Determination of particle size by dry sieving
GB/T 2007.6 General rules for the sampling and sample preparation of minerals in bulk--Determination of moisture content--Heat drying method
GB/T 223.12 Methods for chemical analysis of iron,steel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content
GB/T 223.14 Methods for chemical analysis of iron,steel and alloy The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content
GB/T 223.31 Iron,steel and alloy.Determination of arsenic content.Distillation-molybdenum blue spectrophotometric method
GB/T 223.53 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
YB/T 4508-2016 history
2016YB/T 4508-2016 Iron powder for titanium dioxide via sulfate process