China Factory Supply 7775 14 6 Na2s2o4 88% Price Sodium Hydrosulfites
China Factory Supply 7775 14 6 Na2s2o4 88% Price Sodium Hydrosulfites, Find details about China 7775 14 6, Sodium Hydrosulfites from China Factory Supply 7775 14 6 Na2s2o4 88% Price Sodium Hydrosulfites
Basic Info.
Model NO.
7775 14 6
Colour
Colorless
Dense Degree
2.189 G/Cm After
Distillation Range
52 -55 ºC
Trademark
DongDu
Transport Package
Drum
Specification
25kg/Drum
Origin
China
Model NO.
7775 14 6
Colour
Colorless
Dense Degree
2.189 G/Cm After
Distillation Range
52 -55 ºC
Trademark
DongDu
Transport Package
Drum
Specification
25kg/Drum
Origin
China
Product Desciption
Product Description
The powder is a white sand crystal or light yellow powder. The infusible powder is insoluble in ethanol, soluble in sodium hydroxides solution, reacts violently with water and burns.
The aqueous solution of the insurance powder is unstable in nature and has a strong reducing property, belonging to a strong reducing agent. It is easily exposed to oxygen in the air and oxidizes. At the same time, it easily absorbs moisture and degenerates, and it can seize oxygen in the air and give off a pungent sour taste.
Chemical industry textile grade sodium hydrosulphites SHS 85% 88% 90% is a white sand crystal or light yellow powder. The infusible powder is insoluble in ethanol, soluble in sodium hydroxides solution, reacts violently with water and burns.
The aqueous solution of the insurance powder is unstable in nature and has a strong reducing property, belonging to a strong reducing agent. It is easily exposed to oxygen in the air and oxidizes. At the same time, it easily absorbs moisture and degenerates, and it can seize oxygen in the air and give off a pungent sour taste.
specification
| Index | Technical Grade | Food Additive | ||
| 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 |
| Arsenics(As) | / | / | / | ≤ 1ppm |
| Other heavy metal( As Pb) | ≤ 1ppm | ≤ 1ppm | ≤ 1ppm | ≤ 1ppm |
| Formate (As HCHO) | / | / | / | ≤ 0.05% |
| water insolubles | ≤ 0.05% | ≤ 0.05% | ≤ 0.05% | / |
| Cadmiums (Cd) | / | / | / | ≤ 2ppm |
| Plumbum (Pb) | / | / | / | ≤ 5ppm |
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About Us
Hebei Dongdu Import and Export Co. LTD.. specializes in exporting high quality Research chemical,Basic chemical and plastic raw material etc.
Our products are produced on the basis of best technical team, advanced equipment, high qualified management which meet the requirements of security and environmental protection. We earned customer trust and created a good reputation during these years.
We will provide the most comprehensive products and service to you ! We are looking forward to your cooperation!
Packing
Powder package:
1kg ---Aluminum foil bag
10kg ---Carton box
25kg --- Kraft paper bag/ drum
Liquid package: 1L --- Fluorinated Bottle
20L/25L -----Plastic drum /fiber drum
Our Service
1. Quality control, before shipment, free sample for test. after shipment, keep sample for 3 years
2. Prompt shipment with professional documents
3. Packing as your request, with photo before shipment.
4. Goods delivered directly from the factory warehouse after well produced in a high quality and good situation.
5. Competitive price
6. Testing equipment: SGS, UV, HPLC, GC, CIQ.
FAQ
Q1: When will my order be shipped?
A: Within 3 working days after the payment.
Q2: Can i get some samples?
A: Yes, contact me to know more about sample
Q3: How to confirm the Product Quality before placing orders?
A: Every product is with professional COA. Please be sure about the quality.
If any doubt, sample is available to you to be tested before large quantity order.
Q4: How to start orders or make payments?
A: Payment by T/T, Western Union,MoneyGram etc .
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