... ≤0.20%PH Value≤8.5Content of As≤0.0001%Content of Heavy Metals (Calculate as Pb)≤ 0.0005 %Content Of Ammonium SaltVia ... pH buffer. It is used in environmental applications such as air pollution control, acid neutralization, and water treatment. A specialized ... is used in soda blasting to clean surfaces. Industries such as leather tanning, pulp & paper, plastic, oil well drilling and textile ...