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| JCT Industrial anhydrous sulphurous acid natrium |
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| HG/T 2967-2000 7757-83-7 |
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pulp bleaching agent
stabilizer of chemical fibre
fabric drift agent
dyeing & drifting industry deoxidization agent
chemical industry reductant and sulphonate agent
leather-making tannin agent
mineral depressant
water treatment agent and so on. |
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| White or slight gray crystal powder |
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