Сульфида натрия из Китая Синьцзян

CAS No. 1313-82-2 Physicochemical PropertiesThin flakes, yellow or red, soluble water, presenting strong alkaline solution, easily oxidized when exposed to air, poisonApplications and UsagesSodium Sulfide is a strong reducing agent and reacts with oxidants. Primarily used in pulp and paper industry. It is used in water treatment as an oxygen scavenger agent, in the photographic industry to protect developer solutions from oxidation, in textile industry as a bleaching, as a desulfurizing and as a dechlorinating agent and in leather trade for the sulfitization of tanning extracts. It is used in chemical manufacturing as a sulfonation and sulfomethylation agent. It is used in the production of rubber chemicals, sulfur dyes and other chemical compounds. It is use in other applications include ore flotation, oil recovery, food preservative, making dyes, and detergentSpecificationIndexYellowRedNa2S %≥60.0060.00Fe Content ppm≤10-80150-1500Water Insolubles %≤0.03-0.20.2-0.4Na2CO3 %≤1.8-2.02.0-5.0Na2SO3 %≤2.002.00PackagingIn 25kg net plastic woven bags, or jumbo bagStorage ConditionSweep,dry,avoid insolation and raining