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供应 硫代硫酸铵溶液 /7783-18-8 |
规 格: |
250公斤/桶 |
价 格: |
3200/元/吨 |
数 量: |
5000 吨 |
交货地: |
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发布时间: |
2018-01-15 |
有效期: |
90天 |
备 注: |
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 |
结构式: |
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