Min. Order Reference FOB Price
27 Tons US$500.00-600.00 / Ton
Product Description
Grade Photograph Tech Na2S2O3·5H2O 99% Min. 99% Min. Insoluble matter in water 0.01% Max. 0.03% Max. Na2S 0.001% Max. 0.003% Max. Fe 0.001% Max. 0.003% Max. pH value (200g/L solution) 6.5-9.5 6.5-9.5 Grade Specs Na2S2O3 97% Min. Insoluble matter in water 0.03% ...