Charcoal Activated powder for analysis

Charcoal Activated powder for analysis
Content: 500 GRM
Physical Description:
solid
Quality Name: for analysis
Bleacher
Specification: Adsorption power of methylene blue (0.15%) min: 100 ml/g

?maximum limit of impurities:
Acidity or alkalinity: passes test
Soluble matter in C2H5OH: 0.2 %
Soluble matter in H2O: 0.2 %
Soluble matter in HCl? %
Loss on drying at 120°C: 10%
Residue on ignition? %
Chloride (Cl): 0.01%
Sulfate (SO4): 0.01%
Sulfide (S): passes test
Organic substances: passes test
Ca: 0.05 %
Cu: 0.002 %
Fe: 0.025 %
Ni: 0.002 %
Pb: 0.002 %