質(zhì)量標(biāo)準(zhǔn): Q/(HG)SJ 032-91
項(xiàng)目Item 分析純 化學(xué)純
(AR) (CP)
含量(NaI)Assay,% ≥99.5 99.0
水不溶物Insiluble matter in water,% ≤0.005 0.005
氯化物(Cl)Chloride,% ≤0.03 0.1
碘酸鹽(IO3)Iodate,% ≤0.005 0.01
硫酸鹽(SO4)Sulfate ,% ≤0.005 0.01
總氮量(N)Total nitrogen,% ≤0.001 0.005
鎂(Mg)Magnesium,% ≤0.005 0.001
鈣(Ca)Calcium,% ≤0.001 0.005
鐵(Fe)Iron,% ≤0.0002 0.0005
鋇(Ba)Barium,% ≤0.00005 0.0001
重金屬(以Pb計(jì))Heavy metals,% ≤0.0005 0.001
ACS級(jí)
項(xiàng)目名稱(chēng) ACS Grade
含量Assay ≥99.5%
"pH(5%,25.0℃)"pH of a 5% solution at 25.0℃ 6.0-9.0
水不溶物Insoluble matter ≤0.01%
氯化物和溴化物(以Cl計(jì))Chloride and bromide ≤0.01%
碘酸鹽(IO3)Iodidi ≤0.0003%
磷酸鹽(PO4)Phosphate ≤0.001%
硫酸鹽(SO4)Sulfate ≤0.005%
鋇(Ba)Barium ≤0.002%
重金屬(以Pb計(jì))Heavy metals ≤5ppm
鐵(Fe)Iron ≤5ppm
鈣(Ca)Calcium ≤0.002%
鎂(Mg)Magnesium ≤0.001%
鉀(K)Potassium ≤0.01%