Description
Sodium alginate is a by-product of the extraction of iodine and mannitol from kelp or sargasso of brown algae, and its molecule is composed of β-D-mannuronic acid (M) and α-L-Gullo. The uronic acid (α-L-guluronic, G) is a (1→4) bond. It is a natural polysaccharide with the stability, solubility, viscosity and safety required for pharmaceutical preparations. Sodium alginate has been widely used in the food industry and medicine.
Specification
Items | Specifications | Test result |
Mesh size | As demand | 98% PASS 80MESH |
Sulfate(SO4) | Max 0.5% | <0.5% |
Assay % | 90.8%-106% | 99% |
Passivc in watre(Dry mass) | Max 2% | <1% |
Phosphate(P205) | Max 0.1% | <0.1% |
Calcium (Ca) | MAX 0.5% | 0.2% |
Loss on drying (105℃,4h) % | 0-15% | 12.6 |
Ash % | 18%-24% | 22.4 |
Arsenic PPM | 2ppm MAX | <1.5 |
LEAD PPM | 2ppmMAX | <2 |
Mercury(HG) | MAX 1ppm | <1 |
Cadmium(CD) | Max 1ppm | <1 |
Viscosity (20℃), | 1% SOL’N cps | 300-400 | 330 |
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Total plate count PC/G(Germ quantity) | <5000 | <1000 |
Yeast and mould PC/G | <500 | <200 |
E.COLI | N/5g | Absent |
Salmonelia | N/10g | Absent |
Appltcatton
1.Textile grade sodium alginate is mainly applied in reactive dyes and disperses dyes printing process. It is used in roller printing,flat and rotary screen printing for cotton, flannel and canvas.
2.Food grade sodium alginate is used as food thickeners and stabilizers.
3.Special grade sodium alginate is also widely applied in paints,water treatment,dental film, mask,welding manufacturing, pharmaceutical,cosmetics and so on.
FAQ
1. What's your payment terms?
T/T or L/C or D/P or West union.
2. When will we get reply?
We ensure you fast response, fast service . Emails will be replied in 12 hours in working days, we can answer you in time.
3. How about the packing?
Usually we provide the packing as 20kg/bag or 25 kg / bag or by carton. Of course, if you have special requirements on them, we can do by your indications.
4. How about the validity of the products?
According to the products you ordered. Usually 24 months.
5. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If
your markets have any other special requirements, please kindly let us know.
6. What is loading port?
Usually Qingdao or Tianjin.