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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Q:Can basal salt cause disease or illness?
the web page (below) discusses: Basal Salt Mixtures The use of balanced salt solution (BSS) in cell and tissue culture is generally attributed to early workers in the field. In 1885, Sydney Ringer developed a solution of inorganic salts designed to maintain contractility of mammalian heart tissue. A less specific salt solution was designed by Tyrode for use in work with primary mammalian cells. Tyrode's salt solution became the accepted fluid for diluting protein components of media of natural origin. Since that time, many other balanced salt solutions have been developed for use in cell and tissue culture. The current role of balanced salt solution in cell culture is multi-faceted and can be divided into four principle functions. see web page for extensive discussion on the good things about it
Q:is sugar and salt organic or inorganic?
Is Sugar Organic Or Inorganic
Q:Chemical formula The longest inorganic salt
The primary stage on the salt, acid salt and so on
Q:Why plasma osmotic pressure and protein, inorganic salt content
Plasma osmotic pressure is divided into crystalline osmotic pressure and colloid osmotic pressure.
Q:Are fruits and vegetables inactive?
Inorganic salts are inorganic compounds in the salt, formerly known as minerals, the body has found more than 20 species, including constant elements of iron, zinc, selenium, molybdenum, chromium, cobalt, iodine 8. Apple, pipa, durian, citrus, Watermelon, kumquat, peanuts, I know so much. Oh, there are: lotus lotus which contain inorganic salts
Q:Why is sodium chloride(salt) an inorganic compound?
This Site Might Help You. RE: Why is sodium chloride(salt) an inorganic compound? Please help me!
Q:In order to prove that magnesium is an essential salt for soybean life
Biological control experiments were the only variable experiments. The question that is being explored is the variable, and the other quantities are the same. In a different amount (conditions) the same circumstances to modify a data variable in order to get the data variables on the experimental changes in the law. In order to prove that magnesium is essential for the life of soybeans, the variable is the presence or absence of magnesium. Can be designed as a magnesium-containing culture medium and magnesium-free culture medium. The other amount of the same as the amount of culture medium, soybean seedling growth status, the same number, while placed in the same place, etc., to ensure that only one variable that is the presence of magnesium.
Q:Minor inorganic salts are needed for these functions.?
its not a so try b or c those 2 are the most likely to be the right answers
Q:Common inorganic salt ions will appear when the corresponding symptoms
Calcium ion: detoxification, osteoporosis
Q:are there any other foods than water and salt that have an abiotic origin (lifeless, inorganic)?
water and salt aren't foods. There is no caloric value in them, so they cannot be foods. We live on earth. All foods have an organic origin.

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