Factory Directly Sell with Best Price of Sodium Hydrosulfite
- Ref Price:
-
- 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：
It is a versatile chemical that's used in the manufacture of a variety of products we all use every day,
from photographic film to wine; from fine writing papers to leather goods; from colored fabrics to metal recovery.
While the applications for this chemical workhorse are as vast and as varied as the industries that use it,
in most cases, sodium hydrosulfite performs one of the following three roles:
1) As reducing agent, hydrosulfite chemically reduces othercomponents by donating an electron or electrons
2) As sulfonating agent, hydrosulfite adds sulfur to another chemical compound
3) As cation source, hydrosulfite adds a cation, or sodium, to a product system
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:Why vegetables and fruits contain rich inorganic salts
- Because they are plants! From the biological point of view, they are the nature of the organic matter into inorganic salt carrier
- Q:Seaweed, kelp, shrimp and other seafood, the content is more of the kind of inorganic salts
- Kelp more Oh
- Q:Can you please help me with this question and give me a website reference.
- Many of these materials enter the water through natural channels---minerals, salts and the like come from exposure to rocks, dirt and other inorganic materials.
- Q:Do inorganic mercury salts bioaccumulate?
- Yes they do bioaccumulate. Mercury builds up for years and years, and eventually sits in a residue of pure mercury. - JJ
- Q:What are the effects of inorganic salts on plant growth?
- N: promote cell division and growth, so that leaves grow lush. Lack of performance: plant thin and thin, leaves yellow, severe leaves were light brown.
- Q:Is bromine an inorganic salt?
- Bromine is an inorganic element & forms salts for e.g.with Sodium to form Sodium bromide. It's a highly corrosive liquid & dangerous to handle. It's made from mother liquor - liquid got after extraction of solar salt from highly cocentrated brine.
- Q:Several inorganic salts are lacking in symptoms and food sources
- Ingredients of calcium-containing inorganic salts: dairy products, beans, grains, kelp and so on
- Q:Organic chemistry extraction lab. If the KBr wasn't there I would just add HCl to protonate the NH2, but I'm not sure if that will affect the KBr or the carbon chain. Both of these are in an aqueous phase.
- The amine will certainly coordinate to K+, but the interaction is not very strong and hydrogen bonding from water will compete efficiently. Also, if your amine is soluble in water, you are not going to be able to isolate it by turning it into the corresponding ammonium salt.
- Q:Magnesium can constitute chlorophyll, which reflects the nature of inorganic salts
- norganic salt function (1), is the structural component of cells.Many inorganic salts are an important part of some complex compounds in cells.Example: Mg2 + is a necessary component of chlorophyll molecule; Fe2 + is the main component of hemoglobin; calcium carbonate is animal And the body of the bone, an important component of the teeth.
- Q:Is urea an inorganic salt?
- Is not organic matter ah inorganic salts are present in the body and food minerals in the mineral, composed of organic matter and inorganic synthesis of the human body has been found to have more than 20 kinds of essential inorganic salts, about 4 to 5% of body weight. More (> 5g) for calcium, phosphorus, potassium, sodium, chlorine, magnesium, sulfur seven; daily dietary requirements are more than 100mg, known as constant elements. Other low content, with the modern analysis of technological progress Iron, copper, zinc, manganese, cobalt, molybdenum, selenium, chromium, nickel, silicon, fluorine, vanadium and other elements were found by atomic absorption spectroscopy, neutron activation, plasma emission spectroscopy and other trace analysis methods. But also the human body is necessary, the daily dietary requirements for the amount of μg ~ mg called trace elements.
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Factory Directly Sell with Best Price of Sodium Hydrosulfite
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT or LC
- Min Order Qty:
- 22 m.t.
- Supply Capability:
- 3000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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