High Quality Na2s Yellow Sodium Sulphide 60%

Model NO.: sodium sulphide Grade Standard: Industrial Grade Na2s: 60%Min. Specification: ISO Type: Sodium Sulphide Fe: 10ppm Max Trademark: Qingxin Origin: Shandong China High quality and best price sodium sulphide Molecular formula: Na2S Property: Thin flakes, yellow or red, soluble water, presenting strong alkaline solution, easily oxidized when exposed to air, poison. Usage: used as making sulphur dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making also widely used in pigment and rubber industry, etc. Packing: in 25KG woven bags Or ton bag packaging Specification:

ITEM	STANDARD I	STANDARD I	STANDARD II	STANDARD III	STANDARD IV	STANDARD V
Fe	10ppm max	20ppm max	30ppm max	80ppm max	150ppm max	1500ppm max
Na2S	60%min.	60%min.	60%min.	60%min.	60%min.	60%min.
Water insolubles	0.03%max	0.10%max.	0.18%max.	0.20%max.	0.30%max.	0.40%max.
Na2CO3	1.80%max	1.80%max.	1.80%max.	2.00%max.	3.00%max.	5.00%max.
Na2SO3	1.00%max	1.80%max.	1.80%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.
Colour	Yellow					RED

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