产品名称: | 硫代硫酸铵溶液 |
Cas No.: | 7783-18-8 |
规格:: | 250公斤/桶 |
价格: | 3200元/元/吨 |
发布日期:: | 2018-01-15 |
Chemical name CAmmonum Thiosulphate Liquid Structural formula Molecular formula (NH4)2S2O3 CAS NO. 7783-18-8 Molecular weight 148.19 Properties Colorless transparent liquid or white crystal.Relative density of liquid:1.31-1.33,easily soluble in water,insoluble in alcohol,ether,slightly soluble in acetone. Specifictions 56-60% Packing 250kg plastic drum,flexitank,IBC-tank or following your demand. Uses Mainly used in color positive, negative, color reversal film,color film and paper washing,as a fixing agent sed as good liquid fertilzers 项目 指标 外观 无色透明液体 含量 % 53—60 碱度(NH4OH)% 0.3--1.5 灼烧残渣 % ≤0.1 重金属(Pb)% ≤0.001 亚硫酸盐 % ≤1.0 硫化物(S)% ≤0.001 密度20°C) 1.290--1.346 不溶物 % ≤0.2 铁(Fe)% ≤0.001 PH值(25℃) 8--9 |