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Appearance
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White to yellow to beige to grey powder or crystals
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|
Substance insoluble in water
|
Max 0.01%
|
|
Chloride (Cl)
|
Max 0.01%
|
|
Sulphate (SO4)
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Max 0.01%
|
|
Total nitrogen (N)
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Max 0.005%
|
|
Lead (Pb)
|
Max 0.005%
|
|
Iron (Fe)
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Max 0.002%
|
|
Copper (Cu)
|
Max 0.001%
|
|
Loss on ignition (at 750°C)
|
Max 17%
|