... kept from evaporatin for longer period. Sodium Alginate Food GradeAppearanceLight Yellow PowderViscosity(1% Aqueous sol)(RVDV-II+,2#,20rpm,20 Celsius ... ppm maxMicrobiology Total Plant5000cfu/g max Sodium Alginate Industry GradeAppearancePale yellow-brown amorphous powderViscosity(1% Aqueous sol)(RVDV-II+,2#,20rpm ...