Purchase Qty. Reference FOB Price
25-4,999 kg US$3.00
5,000-99,999 kg US$2.00
100,000+ kg US$1.00
Product Description
Product Description Item Standard Appearance white crystalline powder Assay (Base on C4H4O4) (%) 99.50 ~ 100.5 Residue on ignition (%) ≤ 0.10 Heavy metal (Pb) (%) ≤ 10 ppm Arsenic (%) ≤ 3 ppm Moisture (%) ≤ 0.50 Chroma (in 5% ethanol) (#) ≤ 15 Maleic acid (%) ...