ExiPlus
meets compendial specs of USP, BP
Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay
min. 98%
pH (5% aq. solution)
9.0 - 11.0
Titrable free base
0.03 meq/g
Insoluble matter
max. 0.005%
Chloride (CI)
max. 0.02%
Iron (Fe)
max. 0.001%
Heavy Metals (Pb)
max. 0.001%
Free acid
Passes test
Copper (Cu)
max. 0.0005%
Arsenic (As)
max. 0.00005%
Phosphate (PO4)
max. 0.0005%
Thiosulphate (S2O3)
max. 0.02%