We are offering alginic acid (pharma grade) (mixed polymer of mannuronic and glucuronic acid (c6h8o6)n m.w. Approx 48000-186000 maximum limits of impurities arsenic(as) 0.0001% iron(fe) 0.03% heavy metals(pb) 0.004% loss on drying 10% ash 3% gelation test in accordance ph (3% solmore...