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sodium hydrosulphide70%
- CAS.: 240-778-0
- 21 Metric Ton/Metric Tons
- Product description: sodium hydrosulphide70%
sodium hydrosulphide70%,sodium bisulphide,sodium sulfhydrate use:Dye industrial preparation of sulphur dyes used for synthesis
Item
Standards
ResultNaHS (%) 70.0 Min70.3
Na2S (%) 1.5 Max
1.1
Na2SO3 (%)
1.0 Max 0.9
Fe (%)
0.003 Max 0.0029
NaCO3 (%)
0.6Max 0.5
Matter insoluble in water (%)
0.005Max 0.004
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