详情
sodium sulphide
h.s.code:28301010
cas no.:1313-82-2
molecular formula:na2s
property:white or light yellow crystalline powder or small crystal, with so2 odor,sg 1.4.
use:used in drug, food, ferment, rubber, textile, photo, flavor, dyes, tannage and preservativeof fruit and vegetable.
packing:25kgs plastic woven bags or 150kgs new iron drums.
specification:
| 1500ppm |
| 1 | na2s(%) | 60.0min |
| 2 | na2co3(%) | 5.0max |
| 3 | water insoluble(%) | 0.4max |
| 4 | fe(%) | 0.15max |
| 150ppm |
| 1 | na2s(%) | 60.0min |
| 2 | na2co3(%) | 2.0max |
| 3 | water insoluble(%) | 0.2max |
| 4 | fe(%) | 0.015max |
| 80ppm / 50ppm |
| 1 | na2s(%) | 60.0min |
| 2 | na2co3(%) | 2.0max |
| 3 | water insoluble(%) | 0.2max |
| 4 | fe(%) | 0.008max / 0.005max |
| 30ppm / 20ppm / 10ppm |
| 1 | na2s(%) | 60.0min |
| 2 | na2co3(%) | 2.0max |
| 3 | water insoluble(%) | 0.2max |
| 4 | fe(%) | 0.003max / 0.002max /0.001max |
70%1 - product: sodium hydrogen sulphide (nahs)2 - specifications: 70% min. nahscolour : yellow/brown flakesna2s : 0,5% max,na2co3 : 1.0% maxfe : 0.003% maxwater insolubles: 0.005%3- packaging: 900kg bulk bags-packaging for 20’fcl
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