Na2S, %,≥ 60.0 60.0
Fe, %,≤ 0.15 0.015
Na2CO3,%, ≤ 5.0 5.0
Water Insolubles,%, ≤ 0.4 0.4
PACKING: 25kg net each in 2 P.P woven bag lined with P.E bag;
PROPERTY: brown-red flakes or clay-yellow solid fused; easily being oxidized and deliquescent in air; dissolving in water showing strong alkalinity; insoluble in ether. It’s corrosive, and “hydrogen sulfide” will be the resultant when it meets strong acid;
USES:mainly used for textile, dyeing, mining, tanning, molting, paper-making, extracting of metals and medicine industries, and so on.