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Appearance
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Clear colorless liquid free from suspended particles
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Assay (alkalimetric)
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49.5-50.5% (w/w)
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Chloride (Cl)
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Max 0.0025%
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Sulphate (SO4)
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Passes test
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Non-volatile matter
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Max. 0.005%
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Heavy metal (as Pb)
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Max 0.0005%
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Iron (Fe)
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Max 0.0005%
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Identification
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Passes test
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