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Sulfur Black Tuam Tshoj Hoobkas
Yam khoom: Sulfur dub yog insoluble nyob rau hauv dej los yog ethanol, nws zoo nkaus li ntsuab-dub nyob rau hauv kev daws ntawm sodium sulfide, tshwm bluish thaum muab caustic soda nyob rau hauv cov kev daws ntawm sulfur dub, thiab tshwm greenish precipitate nrog hydrochloric acid Nws yog me me s. .Nyeem ntxiv -
Sulfur Black BR yog insoluble hauv dej, Yuav ua li cas zas xim
Denim khaub ncaws dyed nrog Sulfur Black BR yog nrov heev.Cov khoom siv dyeing uas peb siv tau txais cov txheej txheem ntawm kev luam ntawv tas li thiab dyeing ntawm warp ncej, thiab cov txheej txheem ntau lawm kuj paub tab.Sulfur Black BR yog insoluble hauv dej, tab sis, nws tuaj yeem yaj hauv ...Nyeem ntxiv -
Txoj kev tsim khoom thiab cov yam ntxwv ntawm indigo xiav
Daim ntawv thov ntawm indigo dye muaj keeb kwm ntawm ntau tshaj 5000 xyoo thiab suav hais tias yog cov laus tshaj plaws dye.Our Hoobkas tam sim no siv cov cuab yeej siv siab tshaj plaws thiab cov thev naus laus zis ntau lawm los tsim indigo xiav, kom ntseeg tau tias peb cov khoom siv xiav indigo yog qhov zoo tshaj plaws. , ...Nyeem ntxiv
