Calcium Alginate Powder

We are offering food grade calcium alginate,calcium alginate powder. Items standards appearance cream white powder viscosity (mpa.s, 1% solution, 20°c) as per need (500 min) assay (dry basis, %) 90.8 - 106% loss on drying (105°c, 4h) = 15% ph (1% solution) 6.0 - 7.5 water insolubles (dry basis) = 0.6% total ash 18 - 27% copper (cu) = 10ppm zinc (zn) = 10ppm lead (pb) = 3ppm arsenic (as) = 2ppm mercury (hg) = 1ppm