... :Test itemUnitSpecificationTest methodK2SO3g/100g98ISO 5990-1996(E)K2S2O3g/100gmax.0.01spectrophotometrypH value(diluted ... bag, P.P woven bag outside, P.E bag inside, without pallets 25kgs/bag, P.P woven bag outside, P.E bag ... inside, with pallets 1000kgs/ big bag 1200kgs/ big bag 25kgs/bag, strong P.E ... bag 4. payment terms: T/T, D/P, L/C5. shipment ...