sodium sulfide yellow flake

Quantity Order:

Origin:

China

Payment Method:

Telegraphic Transfer (T/T)

Quantity:

2000mt/month

Pack. & Delivery:

in 25kgs plastic bags

sodium sulphide:

Molecular formula: Na2S
Property: Thin flakes, yellow or red, soluble water, presenting strong alkaline solution, easily oxidized when exposed to air, poison

Specification

ITEM STANDARD I STANDARD II STANDARD III STANDARD IV STANDARD V
Fe 20ppm max 30ppm max 50ppm max 150ppm max 1500ppm max
Na2S 62% min. 62% min. 60% min. 60% min. 60% min.
Water insolubles 0.10% max. 0.18% max. 0.18% max. 0.30% max. 0.40% max.
Na2CO3 1.80% max . 1.80% max. 1.80% max. 3.00% max. 5.00% max.
Na2SO3 1.80% max. 1.80% max. 2.00% ma x. 2.00% max. 2.00% max.
Na2S2O3 2.00% max. 2.00% max. 2.00% max. 2.00% max. 2.00% max.
Colour Yellow RED

Benefits:
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.

From: Humate( Tianjin) Intenraional Limited
Ms Carol Wang
carol x-humate com

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