... 0.00050.0005Sodium (Na), ≤-0.80.8Phosphate (PO4), ≤-0.0050.005Silicate (SiO3), ≤-0.010.01Aluminum (Al), ≤-0.0020.002Calcium (Ca), ≤-0.0050.005Nickel (Ni), ≤-0 ... .00050.0005Heavy metal (Pb), ≤-0.0020.002Use: For the papermaking , production of cellulosic thick liquid and dregs of rice ... printing and dyeing industry use as rice cotton retreat the thick liquid pharmaceutical ...