Phosphorus iron component analysis Standards

GBW01429- phosphorus iron component analysis standard material [ID number] 3334 [ID] GBW01429 [specification] 50g [Description] [Features] a solid-state form dielectric matrix [value] iron [date] in August 1989 [Uses] to calibrate the instrument and equipment; evaluation methods; work standards; quality assurance / quality control; other [storage conditions] ventilated, dry place. [Note] P, Mn, Si, C, S minimum sample volume of 0.2 grams. [Analysis Method] IR method, weighing method, coulometry and other methods standard value uncertainty units Si 1.87 0.05 mass fraction (10-2) P 17.90 0.07 mass fraction (10-2) Mn 0.47 0.01 mass fraction (10 -2) C 0.224 0.005 mass fraction (10-2) S 0.0681 0. please consult the national standard sample network: www.crmch.com