Sodium hydrosulfide inthenna chungchang hi eng nge ni?
sodium hydrosulfide hmanga siam a ni Tawpna
Hetiang method hian NaHS solution concentrated atang hian crystalline salt Na2CO3 ang chi te chu a then hmasa thin. Chumi hnuah NaHS·H2O molten chu vacuum rake cooler-ah direct-in flake-ah a solidified a, chu chu automatic-in a pack hmain a ni. Chuvang chuan Na2CO3 bawlhhlawh awm zat chu 2 atangin a tlahniam ta a ni.4. 4. A rilru a hah lutuk chuan a rilru a buai em em a% atanga 0.3% thleng a ni. Cooling process hi vacuum-ah a thleng a, boruak avanga oxidation a tihtlem bakah product tihchhiat a veng tha hle. Purification process zawng zawng hi closed system-a kalpui a ni a, hei hian irritating gas chhuak tur a veng a, secondary environmental pollution a pumpelh bawk. NaHS sodium hydrosulfide flakes hi direct-a pack a ni a, dahkhawm laiin bawlhhlawh a awm lo. Chu bâkah, he hmanrua hi a awlsam a, hmanraw tlemte chauh a mamawh a, a man pawh a tlawm bawk.