Product Name: Sodium Sulfide
UN No.:1849
HS Code:2830101000
Molecular Formula: Na2S
Molecular Weight: 78.04
Appearance: White crystalline powder
(1)Titration analysis of cadmium. Mineral flotation. Analysis of water hardness in nitrogenous fertilizer production. Analyze the copper solution of ammonia. Analyze copper ammonia solution of ammonium bicarbonate. Purification of metals. Electrogalvanizing, cadmium, etc.
(2)The pharmaceutical industry is used to produce antipyretic drugs such as finacetine.
Item | Index | |||||
Ⅰ | Ⅱ | |||||
Superior Quality | First Grade | Qualified Product | Superior Quality | First Grade | ||
Na2S %≥ | 60.0 | 60.0 | 60.0 | 60.0 | 60.0 | |
Na2SO3 %≤ | 1.0 | - | - | - | - | |
Na2S2O3 %≤ | 2.5 | - | - | - | - | |
Fe %≤ | 0.0020 | 0.0030 | 0.0050 | 0.015 | 0.030 | |
Na2CO3 %≤ | 2.0 | - | -- | 3.5 | - | |
Water insoluble %≤ | 0.05 | 0.05 | 0.05 | 0.15 | 0.20 |
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