Alginic acid is a natural polysaccharide extracted from seaweed.It is made of the two types of aldehyde acids.Flaxen powder,isn't in water.
Chemical Structure
Main applications
Pharmaceutical industry： Main raw material for gastropine. Agent for the new medicine PSS,with the strong dispersing and emulsifying character. Food industry： Can combine with many kinds of ions to create a series of salts,such as sodium alginate,potassium alginate,calcuium alginate ete.Applied in health food or used as health food additive. Environment protection： With the characters of tis strong adsorbability,it is used water purification processing etc.
Product standard
Specification
WS1-211-87
USP30
BP2007
Starch
Do not show blue color
—
As carboxyl(Dry basis)19.0%-25.0%
Loss on drying,%
≤15.0
≤15.0
≤15.0
Ignition residue,%
≤5.0
≤4.0
Sulphated Ash≤8.0
Molysite,%
≤0.05
—
—
Heave metals,%
≤0.004
≤0.004
≤0.002
Arsenic,%
≤0.0003
≤0.0003
—
Arsenic,%
≤50
—
Chloride≤1.0
Acid value
≥230
≥230
—
Acid degree(PH)
1.5-3.5
—
—
Microbiological Limits
—
The total number of bacteria≤200
The total number of bacteria≤100 E.coli&salmonella Negative
