Specifications of Industrial
Standard HG/ T 4538 – 2022:
Blue green or light yellow green
crystals
;
1,FeCl2•4H2O, %≥94.44;
2,FeCl2, %≥60.2;
3,Insoluble substance, %≤0.50;
4,SO42-, %≤0.50;
5,Free Acid, %≤0.50;
6,NH3-N, %≤0.01;
7,Fe3+, %≤0.60;
8,As, ppm≤5;
9,Pb, ppm≤20;
10,Hg, ppm≤0.2;
11,Cd, ppm≤5;
12,Cr, ppm≤50;
13,Zn, ppm≤500;
14,Cu, ppm≤100;
15,Ni, ppm≤50;16,TOC/ (mg/ L)≤400。
Paper-plastic
bag or plastic-woven
bag packing specifications: 25kg
per bag, 880 bags without pallets per FCL, Net 22 tons per FCL; 25kg per bag, 920 bags with pallets per FCL, 23 tons per FCL.
Goods
can be shipped from 3R Huizhou factory to Shenzhen Yantian or Shekou port, or from
3R Tangshan factory to Tianjin port. (The above
quotation is FOB Tianjin with paper-plastic bags without pallets.)