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Appearance
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Clear colourless liquid with a pungent odour
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Assay (acidimetric, NH3)
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28 - 30%
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Carbon dioxide (CO2)
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Max 0.002%
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Chloride (Cl)
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Max 0.00005%
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Heavy metal (as Pb)
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Max 0.00005%
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Sulphate (SO4)
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Max 0.0002%
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Nitrate (NO3)
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Max 0.0002%
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Iron (Fe)
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Max 0.00002%
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Phosphate (PO4)
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Max 0.0002%
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Residue on ignition (as ash)
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Max 0.002%
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Substance reducing KMnO4 (as O)
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Passes test
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