.jpg) CAS No.: [ CAS 7782-61-8 ]
Property: brown liquid
Uses: water purifier, etching agent,water-proofing agent, mordant,catalytic agent, oxidizing agent,coloring agent and polycoagulant
Enterprise standard: Factory standard
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Ordinal
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The examination iterm
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Factory standard
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1
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Appearance
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（(Brown liquid)
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2
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（25℃）( Specific gravity)
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1.4
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3
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（FeCl3）(Content)
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≥40.0%
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4
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(Insolubles in water)
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≤0.03%
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5
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(HCl)(Free acid)
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≤0.4%
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6
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(Cu)
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≤0.005%
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7
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(Fe2+ )
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≤0.2%
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8
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(Zn)
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≤0.02%
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9
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(As)
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≤0.004%
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10
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(Cd)
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≤0.001%
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11
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（Cr)
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≤0.05%
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12
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(Hg)
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≤0.001%
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13
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(Pb)
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≤0.001%
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14
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(Ni)
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≤0.01%
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Notes: the product is with corrosivity; please wash with clean water after touching with it and it should be stored in seal and dry place.
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