Specification
Items | Standards | ||
Appearance | White crystalline powder | ||
Identification | Pass test | ||
Assay (C10H14N2Na2O8.2H2O) | 99.0% ~ 101.0% | ||
Chloride (Cl) | ≤ 0.01% | ||
Sulphate (SO4) | ≤ 0.1% | ||
pH (1%) | 4.0- 5.0 | ||
Nitrilotriacetic acid | ≤ 0.1% | ||
Calcium (Ca) | Negative | ||
Ferrum (Fe) | ≤ 10 mg/kg | ||
Lead (Pb) | ≤ 5 mg/kg | ||
Arseni c (As) | ≤ 3 mg/kg | ||
Mercur y (Hg) | ≤ 1 mg/kg | ||
Heavy metals (as Pb) | ≤ 10 mg/kg |
Item | Specification |
Appearance | White powder |
Purity,% | 99.0min |
Chloride(Cl) content,% | 0.05max |
Sulfate(SO4) content,% | 0.05max |
Iron(Fe) content,% | 0.001max |
Heavy metal(Pb),% | 0.001max |
Chelate value(mg CaCO3/g),% | 260min |
PH value | 4.0-5.0 |
EDTA is mainly used for water treatment, as an additive to detergent, a chemical for photography, paper-making and oil-field. It is also used as detergent for boiler cleaning and reagent in chemical analysis.
1. High molecular chemical industry: EDTA is used as polymetization activator for butyl bezene latex, and polyreaction terminator in acrylic fibre production.
2.Daily chemicals: EDTA is used as additive to detergent, skin cream and hair-conditioner.
3.Paper-making: EDTA is used for treating the steamed fibre. It will promote the whiteness of paper and reduce the incrustation in the steamer.
4.Pharmaceutical industry: Through cyclopolymerization with methyl amide, EDTA is made into ethyl amide, a remedy for psoriasis. It is also a stablizer for some vaccines and an antihaemoagglutinin.
5. Textile dyeing and printing: EDTA will promote colour ability of the dyestuff and brightness of the dyed fabric.
Service:
We can make the packaging, customize the bag, design the label, and use the customer's own brand according to the customer's request. All the requirements of the customer will be done do our best.
Good service:
-All your messages and emails will be answered in 24 hours.
-Friendly communication and good after sales service.
-customized label/logo/packing service.
Q1. How about your delivery time?
A: Generally, it will take 10 to 15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q2: Can you give me a discount price?
A: Yes, you can, larger quantity, more favorable price.
Q3. Can you provide OEM service?
A: Yes, sure. Welcome to show us your design bag.
Q4. What is your sample policy?
A: For sample it is free, but the freight cost is on customer's side.
Q5: Do you have distributors in our country?
A: We are looking for distributors all over the world.