Sodium Hydrosulphide Flakes 70% For Leather Tanning
US $300.00-$500.00
Поделиться:
CAS NO.: | 1313-84-4 | Molecular formula: | Na2S |
HS CODE: | 2830101000 | Class No.: | 8 |
UN NO.: | 1849 | Purity | 60% / 52% |
EINECS No.: | 215-211-5 | Fe Purity | 10ppm-1500ppm |
Grade Standard: | Industrial Grade | Color | yellow/Orange/ Red |
Item | yellow flakes | red flakes | ||||||||
Na2S | 60%min. | 60%min. | 60%min. | 60%min. | 60%min. | 60%min. | ||||
Fe | 10ppm | 20PPM | 30ppm | 80ppm | 150ppm | 1500ppm | ||||
Water insolubles | 0.10%max. | 0.15%max. | 0.18%max. | 0.20%max. | 0.30%max. | 0.40%max. | ||||
Na2CO3 | 1.80%max | 1.80%max | 1.80%max | 1.80%max | 3.00%max. | 5.00%max. | ||||
Na2SO3 | 2.00%max | 2.00%max | 2.00%max | 2.00%max | 2.00%max | 2.00%max | ||||
Na2S2O3 | 2.00%max | 2.00%max | 2.00%max | 2.00%max | 2.00%max | 2.00%max |