• Sodium Hydrosulphite with High Quality and Best Price System 1
  • Sodium Hydrosulphite with High Quality and Best Price System 2
  • Sodium Hydrosulphite with High Quality and Best Price System 3
Sodium Hydrosulphite with High Quality and Best Price

Sodium Hydrosulphite with High Quality and Best Price

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Loading Port:
Qingdao
Payment Terms:
TT or LC
Min Order Qty:
22 m.t.
Supply Capability:
3000 m.t./month

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1.Structure of Sodium Hydrosulfite Description:

Commodity name: Sodium Hydrosulfite Na2S2O4 Sodium Hydrosulfite Sodium Dithionite Price

Molecular formula:Na2S2O4

Molecular weight:174

CAS Number 7775-14-6

H.S code 28311010

UN number 1384

Class 4.2

2.Main Features of Sodium Hydrosulfite:

 

1,Widely used in printing and dyeing industry,such as cotton fabrics dyeing auxiliary, silk fabric bleaching.

 

2,Used as bleaching agent in paper industry

 

3,Used as bleaching agent,antiseptic agent and antioxidant agent in food industry

 

4,Used as bleaching agent for soap,oil esters,pulp in light industry

 

5,Used for producing rongalite,sodium thiosulfate,thiourea,sulfur,benzoic acid,six O(medical),synthetic dyes,also 

 

  used copperplate printing,analytical reagent in the chemical industry,etc

 

6,Used as reducing agent in printing and dyeing industry 

 

 

3.Sodium Hydrosulfite Images

 

 

4.Sodium Hydrosulfite Specification

 Standard:HG2932-1999

Index

Technical Grade 

HG/T 2074-2011

Food Additive

GB 22215-2008

Na2S2O4, 

≥ 90%

≥ 88%

≥ 85%

≥ 88%

Iron (Fe), 

≤20ppm

≤ 20ppm

≤ 20ppm

≤ 20ppm

Zinc (Zn), 

≤ 1ppm

≤ 1ppm

≤ 1ppm

≤ 1ppm

solution appearance

clear

clear

clear

clear

EDTA, 

/

/

/

qualified

Arsenic(As), 

/

/

/

≤ 1ppm

Other heavy metal( As Pb), 

≤ 1ppm

≤ 1ppm

≤ 1ppm

≤ 1ppm

Formate (As HCHO), 

/

/

/

≤ 0.05%

water insolubles, 

≤ 0.05%

≤ 0.05%

≤ 0.05%

/

Cadmium (Cd) 

/

/

/

≤ 2ppm

Plumbum (Pb) 

/

/

/

≤ 5ppm

5.FAQ

1)How many tons does your factory  can supply each moth?

  30000tons/month

2)How to quarantee the quality of the products?

  you can arrange SGS&BV or other quality inspection.

3)How many days you need to pepare the cargo after we made the order?

  within 30 days.

 

Q:Does the urine and urine contain inorganic salts? Anxious
Analysis: This question can be solved from the formation of urine. Kidney is the formation of urine organs, nephrons are the basic unit of renal structure and function, nephrons include glomerular, renal sac and renal tubules; urine formation process, including filtration, reabsorption and secretion of three processes.
Q:Does the apple contain inorganic salts and vitamins?
Yes, the fruit is rich in these two nutrients, especially apples
Q:Inorganic salt function
The various inorganic salts dissolved in the cells have a certain total concentration, such as human body fluid concentration of 0.9%, frogs of 0.65%, which for maintaining cell osmotic pressure, so that cells maintain a certain shape has an important role, too high or Too low will lead to cell due to water or dehydration to change the cell morphology. There are also a number of buffering systems in the body, which are a group which has a neutralizing effect on the added acid or base so that the pH does not change significantly and therefore plays an important role in maintaining the acid-base balance of the cells.
Q:citrate, What is the rationale for using a medium with this type of composition for the performance of the citrate utilization test?Thank you!
Simmons Citrate Medium
Q:How does inorganic salts maintain osmotic pressure and pH
PH ~ inorganic salts of carbonates bicarbonate, hydrogen phosphate / dihydrogen phosphate, can help regulate the pH value of the internal environment, even if the external environment Zoumu changes, the environment will not change too fast, there will be a Buffer room
Q:Inorganic salt of the inorganic salt function
Some inorganic salts are an important part of some of the complex compounds in the cell.
Q:Does the inorganic salt fight the mass spectrum?
Can it be specific? What mass spectrometer, which inorganic salts. Do EI need samples can be vaporized, inorganic salts obviously not appropriate
Q:Of the dissolved salts found in seawater, _____ % are minor inorganic salts, or trace.
it's definitly one of these: 99.28 .72 72 50 i think it's 99.28. lemme no if you get it right!!
Q:After running the training is best to drink what drinks add inorganic salt
You say drink, personally feel good luck!
Q:Lack of calcium, phosphorus, iron, zinc inorganic salt should eat what?
Soy products containing more calcium. Animal liver, spinach iron, zinc and so on.

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