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Sodium Hydrosulphide

Sodium Hydrosulfide (NaHS) 70% Molecular Formula: NAHS Molecular Weight: 56.06 CAS No.: 16721-80-5 CAS Number: 16721-80-5 H.S Code: 28301090 Standard: GB/T19001-2000 Producing Method: NaHS is primarily produced by scrubbing a H2S stream with NaOH, as shown in the following reaction: Hydrogen Sulfide + Sodium Hydroxide = Sodium Hydrosulfide + Water Specification: 1)purty 70 % min, 2)yellow/brown flakes. 3)Na2S - 0.5 % max, 4)Na2CO3 - 1.0 % max, 5)Fe - 0.003 % max, 6)Water insoluble - 0.005 % max. Packing: 1)Flakes: 25kg net in PP bag with PE liner, or 900kg bulk bags; 2)Solid fused: In 150kg or 320kg Iron drums Application: 1)Dyestuff industry used in synthetic organic intermediate and preparation of sulfur dye additives, 2)Leather industry used in raw hide the depilation and tanned leather,Also used in wastewater treatment. 3)Mining industry is used extensively for copper ore dressing Contact detials: Mr. Wanfu Bai Email: wanfubai(at)gmail.com Skype: baiwanfu520

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Sodium Isoamyl Xanthat Technical 90%,82%

Classification: Potassium Organic Salt

Other Names:Sodium Isoamyl Xanthate(SIAX)
CAS No.:171-13-1
EINECS No.:220-329-5
Grade Standard:mineral flotation reagent
Purity:90%,82%
PHYSICALS: Yellow free flowing powder or pellet with irritating smell, soluable in water.
Application:It’s a powerful collector

 

Sodium Iso-amyl Xanthate(SIAX):
25KG/net bags;130KG/drum;850 Kgs wooden box

 

Sodium Isoamyl Xanthate(SIAX) is a powerful collector. It is widely used in the flotation processes of nonferrous metallic minerals where a strong but a non-selective collector is desired. It is a good collector for the flotation of oxide minerals, eg.: Oxidized sulfide, copper and lead ores. Copper-nickel sulfide and auriferous pyrite etc also require potassium amyl xanthate as flotation collector.

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Sodium Isobutyl Xanthate Technical 85%,90%

Xanthate salts are produced by the reaction of an alcohol with sodium or potassium hydroxide and carbon disulfide.Technical grade xanthate salts are usually of 90–95% purity. Impurities include alkali-metal sulfide, sulfate, trithiocarbonates, thiosulfate, sulfite, or carbonate as well as residual raw material such as alcohol and alkali hydroxide. These salts are available commercially as powder, granules, flakes, sticks, and solutions are available.

Some commercially important xanthate salts include:
sodium ethyl xanthate CH3CH2OCS2Na,
potassium ethyl xanthate, CH3CH2OCS2K,
sodium isopropyl xanthate
sodium isobutyl xanthate
potassium amyl xanthate

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Sodium Isopropyl Xanthate Technical

Sodium Isobutyl Xanthate (SIBX) is typically used when the collector needs to be stronger than SEX without compromising too much on selectivity, for instance in some copper-gold, copper-zinc and nickel operations. It is therefore used for flotation of almost all sulphide minerals where high selectivity is not required. It can be successfully applied at flotation of sulphide minerals containing gold, silver or native gold in the process of selective flotation of zinc mineral, after activating of sphalerite or mormolite by copper sulphate.

In some cases, it substitutes PAX (Potassium Amyl Xanthate).

Xanthates in mining

Xanthates have been the workhorse of sulfide mineral flotation since the 1920’s (Harris 1989), and they represent the largest volume of any sulfide mineral collector. Xanthate collectors are salts consisting of a non-polar hydrocarbon group, which provides the hydrophobicity to a sulphide mineral, pointing outward from the mineral to the solution, and a polar group that adsorbs onto the sulphide mineral surface.

Used as an herbicide, fortifying agent for certain oils, and flotation reagent for base and precious metal ores;  Used as a rubber curing agent and antioxidant, pesticide and fungicide, and high-pressure lubricant additive; Also used for analytical procedures, for froth flotation in soils contaminated with mercury, and in the past as an intermediate for saccharin.

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Sodium Sulphide

Sodium Sulphide Molecular formula: Na2S Molecular weight: 78.04 CAS No.: 1313-82-2 H.S. code: 28301010 EINECS No.:215-211-5 Standard: GB42009 Appearance: Thin flakes, yellow or red, soluble water, presenting strong alkaline solution, easily oxidized when exposed to air. Packing packed in 25KG plastic woven bags or 1000kg jumbo bags Usage 1.Dyeing industry: for the production of sulfur dye, green vulcanization, blue vulcanization, reducing agent and mordant for dye intermediates 2.Nonferrous metallurgy industry: as the flotation agent for mineral 3.Leather industry: as the depilation agent for raw hide 4.Paper making industry: as the cooking agent for paper 5.Textile industry: for the reduction of synthetic fiber denitration and nitration as well as the mordant for cotton fabric dyeing 6.Pharmaceutical industry: for the production of febrifuge such as phenacetin 7.Others: for the production of sodium thiosulfate, sodium polysulfide and sodium bisulfide, ect Contact with us: Mr. Wanfu Bai Email: wanfubai(at)gmail.com Skype: baiwanfu520

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Tomamine M-43

Tomamine M-43 is a flotation reagent and its application include quartz removal in reverse flotation of iron ore, feldspar and calamine.

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Tomamine M-670

Tomamine M-670 is a flotation reagent and its application include quartz and silicate removal enhancer and co-collector for improved selectivity in many environments.

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Tomamine PA-12

Tomamine PA-12 is a flotation reagent and its application include quartz and silicates removal in reverse iron ore flotation.

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ferrous sulphate heptahydrate powder for water treatment technical 19.7% Technical 98

 
Product Name: Ferrous Sulphate Heptahydrate
Formula:      FeSO4.7H2O 
HS Code:     28332910
CAS No.:     7782-63-0
Grade: industry grade/fertilizer grade/feed grade
Specification:
Item Stardard
FeSO4.7H2O 98% Min
Fe 19.7%Min
Pb 20ppm max
Cd 5ppm max
As 2ppm max
 
Packing: 25kg/woven bag with an inner plastic bag, or according to your special needs.
 
 
Manuafacturer: Rech Chemical Co. Ltd    
Email: info(at)rqsulfates(dot)com/business(at)rqsulfates(dot)com
 
Rech Chemical Co. Ltd is manufacturer of ferrous sulfate in China, we are authorized by ISO9001:2008 and FAMI-QS.What's more, we have finished EU REACH registration.
 
 
Applications:
Water Treatment: Ferrous sulphate has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies.
 

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sodium ethyl xanthate Technical

Chemical name:Sodium Ethyl Xanthate (SEX)
Trade name:SEX, mining Flotation reagent
Chemical Formula : C2H5OCSSNa
Physical characteristics: Mining flotation collector Florrea SEX(Sodium Ethyl Xanthate ) is slight yellow or grey yellow free flowing Powder or pellet and soluble in water.Sodium ethyl xanthate decompose easily when meeting acid and heat.It is a xanthate based on the C2 alkyl ethyl alcohol in the sodium salt form
Testing method: Lead acetate titration
CAS Number : 140-90-9
EINECS No.: 205-440-9
Typical dosage: 10-100g/tonne
Solution: 5%-25%
Storage: To be stored in cool and dry circumstance, kept away from wet, fire & sunshine

 specification
Chemical components
Specification 1
Analysis result 1
Specification 2
Analysis result 2
purity
85% Min
85.5
90% Min
90.2
Moisture & volatiles
10% Max
8.7
4% Max
3.2
Free alkali
0.5% Max
0.03
0.2% Max
0.11
Diameter(mm)
3-6
Length(mm)
5-15
Validity
12 months

 

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