离岸价格
获取最新报价1 / Ton
|Minimum Order
位置:
China
最小订单价格:
最小订单:
1 Ton
包装细节:
25kg woven PP bags.
交货时间:
About 15 days after payment.
供应能力:
5000 Ton per Year
付款方式:
T/T, L/C
联系人 Mr. David
76 Haiqu Road, rizhao, shandong
| Classification | Sulphate |
| Type | Sodium Thiosulfate |
| CAS No. | *********7 |
| Other Names | Sodium thiosulphate, pentahydrate; Disodium thiosulfate; hypo; |
| MF | Na2S2O3.5H2O |
| Place of Origin | Shandong, China (Mainland) |
| Grade Standard | Industrial Grade, Reagent Grade |
| Purity | *9%min,excellent grade. |
| Appearance | Colorness Columnar Crystal |
| Application | Major for Industry and photography use. |
| Brand Name | PRIMACHEM |
Sodium thiosulphate (Na2S2O3), also spelled sodium thiosulfate, is a colorless crystalline compound that is more familiar as the pentahydrate, Na2S2O3•5H2O, an efflorescent, monoclinic crystalline substance also called sodium hyposulfite or “hypo.”
Specification:
Inspection Standard: HG/T ********6.
|
ANALYSIS ITEMS |
SPECIFICATION |
RESULTS |
||
|
PREMIUM GRADE |
FIRST GRADE |
|||
|
PURITY (Na2S2O3·5H2O) |
% ≥ |
*9 |
*8 |
*9.*5 |
|
PH VALUE (**0 g/l liquor) |
% ≤ |
6.**9.5 |
7.5 |
|
|
SULPHIDE MASS FRACTION (basis as S) |
% ≤ |
0.**1 |
0.**3 |
0.***9 |
|
MATTER INSOLUBLE IN WATER |
% ≤ |
0.*1 |
0.*3 |
0.*1 |
|
IRON MASS FRACTION (basis as Fe) |
% ≤ |
0.**2 |
0.**3 |
0.***8 |
|
APPEARANCE |
CLEAR MONOCLINIC CRYSTAL |
|||
|
CONCLUSION |
PREMIUM GRADE |
|||
General Use:
Its major use is in photography for dissolving silver halides
from photographic emulsions;
Sodium thiosulfate is also used in the tanning of leather;
in bacteriological water assessment;
and in treating cyanide poisoning;
for automatic hand warmers.
Packing:
*5/*0kg woven PP bags with PE inner, or 1MT Jumbo bags.
Shipment time:
About *5days after payment receipt.
Payment terms:
by L/C or by T/T.
Please do not hesitate to contact with us for more details.
