質(zhì)量標(biāo)準(zhǔn): Q/(HG)SJ 740-1997
項(xiàng)目Item 分析純 化學(xué)純
(AR) (CP)
含量(AICI3?6H2O)Assay,% ≥ 97.0 95.0
pH(50g/L,25℃)pH,% ≥ 2.5 2.5
澄清度試驗(yàn)Clarity 合格 合格
水不溶物lnsoluble matter in water,% ≤ 0.025 0.05
硫酸鹽(SO4)Sulfale,% ≤ 0.01 0.03
銨鹽(NH4)Ammonium,% ≤ 0.002 0.005
鐵(Fe)Iron,% ≤ 0.001 0.003
重金屬(以Pb計(jì))Heavy metals,% ≤ 0.0005 0.002
堿金屬及堿土金屬
(以硫酸鹽計(jì))Alakli and earths,% ≤ 0.2 0.5
USP級(jí)
ASSAY (AlCl3) 95.0 - 102.0 %
WATER 42.0 - 48.0 %
SULFATES (SO4) -- TO PASS TEST
ALKALIES AND ALKALINE EARTHS -- 0.5 %
HEAVY METALS -- 0.002 %
IRON (Fe) -- 0.001 %