INDUSTRY GRADE SODIUM METABISULFITE 97.2%

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Qingdao
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TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
3000 m.t./month

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Product Description:

pecification For Food Grade and Industry Grade :

 

Item

Quality Index

Food Grade

Industry Grade

Purity ( As Na2S2O5)

98.0% min

96.0% min

Sulfur Dioxide( SO2)

65.0% min

65.0% min

Arsenic ( As )

0.0002% max

-

Heavy metals ( As Pb )

0.0005% max

-

Selenium (Se )

0.0005% max

-

Iron (Fe)

0.001% max

0.002% max

Water insoluble

0.02% max

0.05% max

PH value :

4.0-4.8

4.0-4.8

Remark :

Conformed with FCC V and E 223 Standard

 

Specification for Pharmaceutical Grade and Photo Grade

Item

Quality Index

Pharmaceutical Grade

Photo Grade

Purity ( As Na2S2O5)

98.0% min

98.0% min

Sulfur Dioxide( SO2)

65.0% min

65.0% min

Thiosulphate ( As S2O3) :

0.05 % max

0.05% max

Chloride ( As CL-) :

30 ppm max

50ppm max

Arsenic ( As ) :

1ppm max

1ppm max

Lead ( Pb ) :

1 ppm max

2ppm max

Copper (Cu) :

1 ppm max

1ppm max

Iron (Fe ) :

5 ppm max

5ppm max

Mercury (Hg) :

0.1ppm max

1ppm max

Chromium (Cr) :

1 ppm max

-

Selenium (Se ) :

1 ppm max

5ppm max

Zinc (Zn)

1 ppm max

1ppm max

Cadmium (Cd )

1ppm max

-

Nickel (Ni)

1ppm max

-

Na2SO3 + Na2SO4

1.5% max

-

PH value :

4.0-4.8

4.0-4.8

Remark :

Conformed with USP standard

 

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); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable 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 pliable dose and wearproof dose; sewage treatment, and so on .

(3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.

(4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.

Storage: Store the product in a dry and cool place.

 


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Calcium and inorganic salts are two concepts, bother you to go back and turn the chemical book and then ask, inorganic salt can eat
Q:How to add inorganic salts
Helicobacter pylori can cause a variety of stomach problems, including gastritis, gastric ulcer, duodenal ulcer, non-ulcerative indigestion, gastric cancer. Therefore, the eradication of Helicobacter pylori has become an important measure for the treatment of modern gastrointestinal diseases. To identify patients with Helicobacter pylori infection, the clinical need for a high sensitivity, specificity, fast, simple, safe, inexpensive Hp diagnostic method, that is, carbon 14 breath test. The examination and painless, noninvasive, fast and simple, no cross the advantages of infection, experts at home and abroad have been recommended for the diagnosis of Hp gold standard, has been widely used in clinical practice.
Q:salt is organic or inorganic?
Salts are ions such as NaCl. Organic salts contain carbon and inorganic salts contain no carbon. So NaCl would be an inorganic salt.
Q:what is the function of the organic part of bone matrix?of the inorganic part(bone salts)?
For the best answers, search on this site www.okorder.com You're a riot, I swear. It amazes me how many people completely miss your plays on words. I'd stick with the "in" organic food. You know, the really trendy stuff like chai tea. Stay away from old, tired standbys like pizza and hamburgers. Macaroni and cheese, though, is like the tuxedo or the little black dress. It never goes out of style.
Q:What are the differences between inorganic salts and salt?
Is an inorganic salt of inorganic salts by metal cations and non-metallic anions or ammonium ions and non-metallic anion compounds. Sodium chloride is a kind of inorganic salts!
Q:I measured in the gym today in the inorganic salt protein moisture is lower than the normal value of what is the reason
I am also a little lower inorganic salt so point, the coach said that usually drink some salt. Protein and water are low can only explain a problem, have a good fat under the conversion.
Q:After a lot of sweating, the amount of drink with inorganic salt drink right?
It is best to drink this kind of drink, which contains sodium and potassium, and when the body after a lot of exercise will consume a lot of potassium, leaving the body feel weak, this drink can quickly add the body Electrolyte, need to note that before the exercise 1-2 hours, during exercise and after exercise have to drink
Q:Lack of calcium, phosphorus, iron, zinc inorganic salt should eat what?
Drinking milk is more appropriate to do a proper practice, the milk is rich in calcium, phosphorus, iron, and zinc. There is a food that is eaten inside the sea, the sea of food is basically the content of inorganic salts are relatively high.
Q:Is it possible to adjust the internal temperature of the carbohydrate in the vacuole
multi-cell plant cells are living in the individual within the water environment, but this environment with the human body's internal environment can only be similar is not the same, and plant cells and no extracellular liquid this argument.
Q:is sugar and salt organic or inorganic?
Is Sugar Organic Or Inorganic

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