Lub tuam txhab ua raws li lub tswv yim txheej txheem "kev tswj hwm kev tshawb fawb, qhov zoo tshaj plaws thiab kev ua tau zoo tshaj plaws, tus neeg yuav khoom zoo tshaj plaws rau OEM Tuam Tshoj 60% Na2s Fe<30ppm sodium sulphidesulfide cas 1313-82-2, we sincerely welcome overseas consumers to consult for your long-term cooperation as well the mutual advancement.we strongly think that will do superior and far better.
Lub tuam txhab ua raws li lub tswv yim txheej txheem "kev tswj hwm kev tshawb fawb, qhov zoo tshaj plaws thiab kev ua tau zoo tshaj plaws, tus neeg yuav khoom zoo tshaj plaws rau, Qhov zoo tshaj plaws los ntawm peb txoj kev ua raws li txhua yam me me, thiab kev txaus siab ntawm cov neeg siv khoom los ntawm peb txoj kev mob siab rau. Kev cia siab rau cov thev naus laus zis siab heev thiab lub koob npe nrov hauv kev lag luam ntawm kev koom tes zoo, peb sim peb qhov zoo tshaj plaws los muab cov khoom lag luam zoo dua thiab cov kev pabcuam rau peb cov neeg siv khoom, thiab peb txhua tus txaus siab txhawb kev sib pauv nrog cov neeg siv khoom hauv tsev thiab txawv teb chaws thiab kev koom tes tiag tiag, los tsim kom muaj lub neej yav tom ntej zoo dua.













Cov teeb meem feem ntau tuaj yeem daws tau raws li hauv qab no. Yog xav kom sib sau ua ke, maj mam kov lub raj mis reagent nrog lub mallet ntoo - tsis txhob siv lub rauj hlau. Xim tsaus ntuj qhia txog kev oxidation ib nrab, uas tuaj yeem kho tau los ntawm kev rov qab nrog cov hmoov sulfur kom txaus. Cov tshuaj uas tsaus ntuj yuav tsum tau lim ua ntej kev ntsuas qhov concentration, siv daim ntawv lim dej qeeb ob txheej. Yog tias daim ntawv lo ntawm lub raj mis reagent Sodium Sulfide poob tawm, rov sau dua tam sim ntawd siv tus cim tiv thaiv dej, sau hnub qhib. Sodium Sulfide.