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Appearance
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A clear, colourless liquid
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|
Assay (alkalimetric)
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Min 49.5%
|
|
Phosphorous acid & Phosphoric acid (as H3PO3)
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Max 2%
|
|
Chloride (Cl)
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Max 0.015%
|
|
Total sulphur (as SO4)
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Max 0.02%
|
|
Arsenic (As)
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Max 0.0005%
|
|
Barium (Ba)
|
Max 0.005%
|
|
Calcium (Ca)
|
Max 0.005%
|
|
Cadmium (Cd)
|
Max 0.0001%
|
|
Copper (Cu)
|
Max 0.0005%
|
|
Iron (Fe)
|
Max 0.005%
|
|
Potassium (K)
|
Max 0.001%
|
|
Manganese (Mn)
|
Max 0.0005%
|
|
Sodium (Na)
|
Max 0.01%
|
|
Nickel (Ni)
|
Max 0.0005%
|
|
Lead (Pb)
|
Max 0.0005%
|
|
Zinc (Zn)
|
Max 0.0001%
|