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Sodium Metabisulfite (White Crystalline) Industrial Grade For Photo Developer

Categories Sodium Pyrosulfite
Brand Name: OEM
Model Number: sodium pyrosulfite-l
Certification: SGS,ISO 9001
Place of Origin: Hunan
MOQ: 1 metric ton
Price: usd 300 per metric ton
Payment Terms: T/T , L/C
Supply Ability: 3000 tons per month
Delivery Time: 5-8 days
Packaging Details: 25 kgs bag,1000 kgs big bag
name: smbs sodium pyrosulfite photo developer
other name: sodium metabisulfite photo developer
shelf life: one year
grade: food grade and tech grade
usage: photo developer, for industry use
packing: 25 kgs
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Sodium Metabisulfite (White Crystalline) Industrial Grade For Photo Developer

SODIUM PYROSULFITE/SODIUM METABISULFITE


Food Grade Sodium Metabisulphite/ Sodium Metabisulfite / Sodium Metabi sulfite


Brief introduction:

1, Prot: qingdaogang, tianjingang, lianyungang, daliangang, shanghaigang guangzhou and so on.


2, Accept small order.


3, The sample is free.


4, Welcome to watch factory and manufacturer.


5, A timely reply.


6, Packaging can be customized.

Application:
1) Food Grade: bleach agent(e.g. candies, cake, bamboo shoots, etc); loose agent(e.g. bread, cracker etc); antiseptic and germicide(e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc);
2) Industry grade: mordant of printing and dyeing; dechlorinate of textile after bleaching; sulphonated agent and reducer of chemical industry and pharmacy; bleach of paper pulp, bamboo and timber bleach of stap; treatment agent of waste water; rubber solidifying agent perfume industry is served as hydro carbon perfume aldehyde.
The hide profession employ to do to molt dose and piable dose and wearproof dose; sewage treatment, and so on.
3). Pharmaceutical grade: in chemical synthesis in the production of acrylic fibre, vitamin k, vitmin A, pharmaceutical intermediates, etc.
4). Photo grade: the sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.

Quality:




ITEM
QUALITY INDEX
Result
Content of Na2S2O5
(calculated by dry base) %
97.2%
Content of SO265%
Content of chloride(NaCl)
(calculated by dry base) %
0.1
ARSENIC0.0001
Content of insolubles in water
(calculated by dry base) %
0.017
Moisture %1.0
Heavy Metal(AS Pb)0.004
Iron(Fe)0.0009
PH Value4.5
Appearance of productWhite fine crystal with slightly yellowish
Packing25kg/bag, polywoven plastic bag outer , and PE film bag inner
ResultFIRST QUALITY
Remark

The details of the product as follow:

Sodium Metabisulfite
Molecular Formula: Na2S2O5
Molecule Weight: 190.12
CAS NO.:7681-57-4
EC:231-673-0
UN: 2693
HS:28321000


Storage: store the products in dry and cool place.

Appearance: white free flowing fine crystal or powder.
Property: white or light yellow crystal powder, a strong smell of sulfur dioxide, relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity, and its solubility will become large while raising the temperature and is less to dissolve in ethanol.
Packing: packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.


Product Description

We are a main supplier of 98% Sodium Metabisulfite in China. We can supply you 98% Sodium Metabisulfite with competitive price.






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