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Sodium Sulfate Anhydrous

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Na2S2O3, %,≥ 99.0 99.0 99.0 98.0
Insolubles in water,%, ≤ 0.01 0.01 0.01 0.03
Na2S,%, ≤ 0.001 0.001 0.001 0.003
Fe,%,≤ 0.002 0.002 0.002 0.003
Particle size (grain/gram) 15-18 18-35 35-50 As required
pH value (200g/L solution) 6.5-9.5
PACKING: 25kg / 50kg net each in P.P woven bag lined with P.E bag or in terms of customers' requirements.
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PROPERTY: Colorless and transparent columnar crystal; dissolving in water but insoluble in ethanol; having strong reduction; easily being efflorescent when the air temperature gets higher than 33oC and could be deliquescent in the moist air;
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USES:Mainly used for photography, electroplating, tanning, bleaching, disinfectant industries and so on;
Na2SO4, %≥ 99 99
Insolubles in Water, %≤ 0.05 0.05
Ca+Mg(As Mg),%≤ 0.15 0.15
Cl,%≤ 0.35 0.35
Fe, %≤ 0.002 0.002
Moisture, %≤ 0.2 0.2
Whiteness, %≥ 80 80
PH(1% Solutun) 8-11 6-8

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