Food grade Sodium a...

Food grade Sodium alginate CAS 9005-38-3

Food grade Sodium alginate CAS 9005-38-3

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1 Kilogram

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  • Min.Order :1 Kilogram
  • Purity: >99%
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Keywords

Sodium alginate 9005-38-3 C5h7o4coona

Quick Details

  • Appearance:white powder
  • Application:THICKENERS
  • PackAge:1-5KG/Tin or Bag,25KG/Drum, 200KG/Drum
  • ProductionCapacity:1000 |Metric Ton|Year
  • Storage:Cool Dry Place
  • Transportation:by sea or by air

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Details:

Productname:Sodium alginate

CASNo.:9005-38-3

Molecularformula:C5H7O4COONa

Assay:98%

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 (105ºC,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 (20ºC), 1% SOL'N cps 300-400 330
     
Total plate count PC/G(Germ quantity) 5000max 1000
Yeast and mould PC/G 500max 200
E.COLI N/5g Absent
Salmonelia N/10g Absent


Application
Sodium alginate paste preparation prescription

Warm water (50~60ºC) 80kg
Sodium hexametaphosphate 0.6~0.8kg
Soda ash 0.2~0.6kg
Sodium alginate 5~8kg
Formaldehyde (37.5%) 1-2L
Synthesis with water 100kg

Operation: Put warm water into the bucket first, add sodium hexametaphosphate, slowly pour sodium alginate into warm water under constant stirring, stir well until a uniform, non-grainy paste, add water to the total amount, and then use soda ash Adjust the pH value to 7-8, then add formaldehyde for use.
The paste does not need to be boiled. Generally, it should not exceed 60°C. Otherwise, the viscosity will decrease, and the sodium alginate paste will undergo hydrolysis when exposed to light, and the viscosity will drop sharply. Therefore, it must be stored in a dark place. It is relatively stable when the pH value is 6-11, and it will form a gel in case of strong acid and strong alkali. Heavy metal ions can also cause gelation, which can be prevented by sodium hexametaphosphate. General concentrations of white powder, sodium hydroxide, sodium chlorate, etc., have no effect on it at room temperature.
 

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