Sodium Tripolyphosphate -STPP Indexes Technical Grade Food Grade Appearance white granule white granule Content as Na5p3o10(%) ≥ 95.0 95.0 P 2 O 5 % ≥ 57.0 57.0 Water Insoluble Matter % ≤ 0.1 0.05 Iron(Fe) % ≤ 0.01 0.01 PH value (1% water solution) 9.2-10.0 9.5-10.0 Heavy Metal (as...

Oxalic Acid 99.6% Tech Grade Catalog Number Q217 Definition HOOCCOOH•2H2O CAS Number 144-62-7 Application Oxalic acid can be used in many applications such as: Automobile radiator cleanser, general metal and equipment cleaning, purifying agent, and intermediate for many compounds, leather tanning, catalyst,...