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DSD acid (4,4 diaminostilbene mono-2,2 bisulfonic acid) bụ ihe dị mkpa etiti, nke a na-ejikarị emepụta fluorescent brighteners, kpọmkwem oyi kpọnwụrụ odo G, kpọmkwem odo R, ìhè anyanwụ na-eguzogide F3G oroma na mgbochi nla na-eri ihe. COD bụ 6000-8000mg/L, salinity bụ 6%-8%, na agba bụ 50,000 ugboro; Isi ihe dị na mmiri mkpofu bụ ogige organic aromatic nwere nitro, amino na sulfonic dị iche iche, yana oke BOD na COD bụ naanị 0.03, nke siri ezigbo ike biodegrade.
Ogo mmiri na oke mmiri nke DSD acid mmepụta mmiri mkpofu kwụsiri ike, mana chromaticity na mkpokọta sulfate dị oke elu, nri ndị dị ka N na P enweghị, na mmiri mkpofu nwere ihe na-egbu egbu na ihe na-emerụ ahụ, ọ nweghị ihe atụ ọgwụgwọ na-aga nke ọma. China. dsd acid bụ mado ma ọ bụ ntụ ntụ na-acha odo odo dị ọkụ, soluble na ethanol na ether, nke na-esighi ike na mmiri, na-agbaze na ngwọta alkali. (2) Ọ na-adị mfe oxidized na-acha uhie uhie, ma nwee njirimara nke aromatic acid na amines n'otu oge ahụ.
3) Ogo ngwaahịa na ntinye aka teknụzụ: ọnụ ahịa amino zuru oke (dị ka ngụkọta nke mado) ≥48%; Akọrọ ngwaahịa ngụkọta amino uru (dị ka ngụkọta ego nke ihicha sample) ≥95.0%; Ihe dị n'ime ihe na-adịghị edozi alkali (site na ngụkọta nke mado) ≤0.05%; Ihe dị n'ime ihe na-adịghị edozi alkali (site na mkpokọta ntụ ntụ) ≤0.08%; okwu benzyl (site na ngụkọta nke samples) ≤0.25% maka mmepụta nke onye na-acha ọcha fluorescent, onye na-acha ọkụ ọkụ na-acha ọcha, onye na-acha ọkụ ọkụ, onye na-acha ọkụ ọkụ, onye na-acha ọkụ ọkụ, onye na-acha ọkụ ọkụ, onye na-acha ọkụ ọkụ, onye na-acha ọkụ ọkụ, onye na-acha ọkụ ọkụ, fluorescent. onye na-acha ọcha, onye na-acha ọcha fluorescent, onye na-acha ọcha na-acha ọcha, onye na-acha ọkụ ọkụ, onye na-acha ọcha na-acha ọcha, onye na-acha ọkụ ọkụ, onye na-acha ọcha na-acha ọcha, onye na-acha ọkụ ọkụ, onye na-acha ọkụ ọkụ, onye na-acha ọkụ ọkụ, onye na-acha ọkụ ọkụ. Yellow G jụrụ ajụ kpọmkwem na odo R, ma jiri ya dị ka ọgwụ ahụhụ.
Mbibiri ngwakọta Organic. Aha zuru oke bụ 4,4`-diaminostilbene-disulfonic acid. Enwere ike iji ya mee ihe maka njikọ nke onye na-acha ọcha fluorescent na ihe eji esiji ákwà ndị ọzọ. CAS Mba: 81-11-8 Molecular Formula: C14H14N2O6S2 Molecular arọ ：370.4008 Ogo Index (Nkọwa) Ọdịdị (ọdịdị): ìhè odo ntụ ntụ / ìhè odo mado ọdịnaya) 9 (Purity) Nkwakọ ngwaahịa 0 (Ngwugwu): 25 mg / kg.
0 nkwakọ (ngwugwu): 25kg / 40kg / akpa Njirimara anụ ahụ molecular arọ: 370.4, kristal odo ma ọ bụ ìhè na-acha odo odo na hygroscopicity. Ọ dị mfe oxidize na ikuku. Ngwaahịa a na-egbu egbu ma na-agbakasị ahụ akpụkpọ ahụ, zere kọntaktị kpọmkwem na ahụ mmadụ.
Synthesis usoro: Usoro njikọ ugbu a bụ p-nitrotoluene sulfonated na fuming sulfuric acid, wee precipitated na mmiri, na NTS kewapụrụ oxidized n'okpuru alkaline ọnọdụ na ikuku, na DNS na oxidation ngwọta na-precipitated na nnu, wee belata na ígwè. ntụ ntụ, wee wụsa ya na sulfuric acid. Akpọnwụwo ntụ ntụ ma kpoo ya. A na-ere ntụ ntụ dị ka ngwaahịa mmiri maka ire ụlọ, mana a na-ere ya naanị n'ụdị ntụ ntụ maka ahia mba ụwa.
Ụlọ ọrụ Mit-ivy na-emepụtakarị DSD ACID nwere ikike mmepụta kwa afọ nke tọn 1,000,000, ma nwee oke ahịa ahịa nke 97%.

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