Methyl oroma CAS: 547-58-0
Nọmba katalọgụ | XD90490 |
Aha ngwaahịa | Methyl Orange |
CAS | 547-58-0 |
Usoro ihe omimi | C14H14N3NaO3S |
Ibu molekụla | 327.33 |
Nkọwa nchekwa | Ambient |
Koodu tarifu akwadoro | 29270000 |
Nkọwapụta ngwaahịa
Ọdịdị | Oroma/ odo ntụ ntụ |
Nyocha | 99% |
pH | 3-4.4 |
Ọnwụ na ihicha | <5.0% |
Ọdịnaya agba agba | >=95% |
Ngwa: Methyl oroma e ji na laabu na ulo oru na ugbo mmepụta maka pH akara nke chemical Jeremaya mere na acid-base titration analysis nke chemical ngwaahịa na intermediates.N'ime ụlọ ọrụ na-ebi akwụkwọ na ịcha akwa, pH nke fọdụrụ na akwa ákwà kwesịrị iji ihe ngosi tụọ ya ma saa ya ka ákwà ahụ na-anọpụ iche.Ọ bụrụ na acidity dị na akwa mkpụrụ osisi Chemicalbook, ọ ga-emetụta agba ya na ngwa ngwa mgbe agbaji agba ma ọ bụ bipụta ya na agba agba.Mwepu nke ihe ngosi oroma methyl bụ na agba odo-acha ọbara ọbara na-esiri ike ịmata ya, ma ugbu a ejiri ọtụtụ ihe ngosi dochie ya.Methyl oroma bụkwa akwa azo nke enwere ike iji bipụta na ịcha akwa
Acid-base titration egosi "Methyl oroma bụ ihe a na-ejikarị acid-base titration egosi na nyocha kemịkalụ. Nleta ya nke 0.1% ngwọta mmiri nwere pH nke 3.1 (red) ruo 4.4 (edo edo). Ọ dabara maka acid siri ike ma sie ike. isi, Titration n'etiti ntọala adịghị ike Ọ dị n'ụdị sulfonic acid sodium nnu na-anọpụ iche ma ọ bụ alkaline ngwọta, ma ghọọ sulfonic acid na acidic ngwọta, nke mere na acidic sulfonic acid otu na-etolite na isi dimethylamino otu na molekul. Ụdị nnu dị n'ime (usoro paraquinone) nke p-dimethylaminophenylazobenzenesulfonic acid na-aghọ usoro njikọ nke nwere p-quinone nhazi, ya mere agba na-agbanwe ya, na ọ dịghị adabara titration nke organic acid ogige A na-ejikwa ya maka nchọpụta spectrophotometric nke chlorine. , bromine na bromide ion. A na-ejikwa ya maka agba agba ndụ, wdg. Methyl oroma ejirila na ụlọ nyocha na mmepụta ihe mmepụta ihe na ọrụ ugbo maka njikwa pH nke mmeghachi omume kemịkalụ na acid maka ngwaahịa kemịkalụ na intermediates Alkali titration analysis.N'ime ụlọ ọrụ na-ebi akwụkwọ na ịcha akwa, a ga-eji ihe ngosi tụọ pH fọdụrụnụ na akwa ákwà iji mee ka ákwà ahụ na-anọpụ iche.Ọ bụrụ na akwa ahụ nwere acidity, ọ ga-emetụta agba ya na agba ya mgbe agbaji ma ọ bụ bipụta ya na agba agba.Ngwa ngwa.Ọdịmma nke ihe ngosi oroma methyl bụ na agba odo-acha ọbara ọbara na-esiri ike ịmata ya, ma ugbu a ejiri ọtụtụ ihe ngosi dochie ya (lee "phenolphthalein").Methyl oroma bụkwa akwa azo, nke enwere ike iji maka ibipụta na ịcha akwa.
Na-eji: Dị ka acid-base egosi, pH3.1 (red) -4.4 (edo edo), nke a na-ejikwa maka agba agba.
Na-eji: egosi acid-base, pH discoloration range from 3.1 (red) to 4.4 (odo), mkpebi siri ike nke alkalinity nke ọtụtụ mineral acid, ntọala siri ike na mmiri;Mkpebi volumetric nke tin (Sn2+ na-ebelata methyl oroma mgbe ọkụ);ike mbelata Decolorizing egosi maka oxidants (Ti3+, Cr2 +) na ike oxidants (chlorine, bromine);spectrophotometric mkpebi nke chlorine, bromine na bromide ion;enwere ike ijikọ ya na sodium indigo disulfonate ma ọ bụ bromocresol green iji mepụta ihe ngosi agwakọtara iji belata ngalaba ngbanwe ma kwalite ịdị nkọ nke mgbanwe agba;ihe ngosi redox dị ka trivalent arsenic ma ọ bụ antimony maka titration potassium bromate
Na-eji: Ngosipụta acid-base, akara achromatic nke onye na-ebelata ike na oxidant siri ike, ihe ngosi cytoplasmic, unyi ọdịiche akụkọ ihe mere eme, ntụpọ pollen tube.Uru pH na-agbanwe agba agba site na 3.1 (red) ruo 4.4 (edo edo), ma na-ekpebi alkalinity nke ọtụtụ mineral acid, alkalis siri ike na mmiri.Mkpebi ụda olu nke tin (Sn2+ na-achọpụta oroma methyl mgbe ọ na-ekpo ọkụ).Decolorizing egosi maka ndị na-ebelata ike dị ike (Ti3+), Cr2+) na ihe ndị na-eme ka oxidizing siri ike (chlorine, bromine).Spectrophotometric mkpebi siri ike nke chlorine, bromine na bromide ion.Enwere ike ijikọ ya na sodium indigo disulfonate ma ọ bụ bromocresol green iji mepụta ihe ngosi agwakọtara iji belata oke mgbanwe agba ma melite ịdị nkọ nke mgbanwe agba.Ihe ngosi redox dị ka trivalent arsenic ma ọ bụ antimony maka titration potassium bromate.