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sodium thiosulphate
- group name
- Leather series
- Min Order
- 25 metric ton
- brand name
- Damon
- model
- 99%
- Nearest port for product export
- Tianjin,Qingdao.
- Delivery clauses under the trade mode
- FOB, CFR, CIF
- Acceptable payment methods
- T/T, L/C, D/P D/A, MoneyGram, Credit Card
- update time
- Thu, 13 Oct 2016 16:43:47 GMT
Packging & Delivery
-
Min Order25 metric ton
Briefing
Detailed
molecular formula: Na2S2O3.5H2O molecular weight: 248.1
CAS No: 7772-98-7 H.S Code: 28323000
Standard: GB1887-2007
Appearance: Colorless crystal Packing:In 25kgs/wpp bag or as per your requirement
Usage: used in fixers ,plating,leather,reductant
dechlorinating agent,sulfur dyeing agent
as a blush preventive agent,and as a disinfectant and decolor agent
Specification
Item/项目 | Index/指标 | ||
Photographic grade | Industrial grade | Anhydrous grade | |
Na2SO3.5H2O > % 硫代硫酸钠 | 99 | 98.5 | 97 |
Water insolubles < % 水不溶物 | 0.01 | 0.03 | 0.03 |
Sulphide( as Na2S) < % 硫化物 | 0.001 | 0.003 | 0.005 |
Fe < % 铁 | 0.001 | 0.003 | 0.005 |
PH Value( 200g/insoluble） PH 值 | 6.5-9.5 | 6.5-9.5 | 6.5-9.5 |