... from seaweeds, as one of the most highly versatile algae gums in world, it is widely used in food, pharmaceutical, daily chemical ... . It can be further made into Agarose, which is widely applied in the analysis and research of clinical diagnosis, biochemistry, microbiology ... %Water insoluble matter:≤1.0%Water absorbality:≤75mlStarch Assay:No blue color appearedHeavy Metal:≤0.004%Arsenic:≤0.0001% ...