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Sulfur Black China Factory
Njirimara ngwaahịa: Sulfur ojii bụ ihe a na-adịghị ahụkebe na mmiri ma ọ bụ ethanol, ọ na-egosi dị ka akwụkwọ ndụ akwụkwọ ndụ-oji na ngwọta nke sodium sulfide, na-apụta na-acha anụnụ anụnụ mgbe etinye caustic soda na ngwọta nke sọlfọ ojii, na-egosi greenish precipitate na hydrochloric acid Ọ bụ miniature s.. .GỤKWUO -
Sulfur Black BR bụ insoluble na mmiri, Otu esi esiji
Uwe denim e ji Sulfur Black BR siji na-ewu ewu nke ukwuu.Ngwá ọrụ agba agba anyị na-eji na-agbaso usoro nke ibipụta akwụkwọ na-aga n'ihu na ịcha akwa nke warp, na usoro mmepụta ihe tozuru oke.Sulfur Black BR bụ ihe a na-adịghị ahụkebe na mmiri, mana enwere ike ịgbaze ya na ...GỤKWUO -
Usoro mmepụta na njirimara nke indigo blue
Ngwa nke indigo dye nwere akụkọ ihe mere eme nke ihe karịrị afọ 5000 ma a na-ewere ya dị ka ihe kacha ochie. Ụlọ ọrụ anyị na-eji ngwá ọrụ kachasị elu na mmepụta teknụzụ na-emepụta ihe na-acha anụnụ anụnụ, iji hụ na ngwaahịa anyị na-acha anụnụ anụnụ bụ nke kacha mma. ,...GỤKWUO
