Moqapi o Tsebahalang bakeng sa Moetsi oa Lik'hemik'hale pH Indicator 99% Thymolphthalein CAS 125-20-2
Nts'etsopele ea rona e ipapisitse le lisebelisoa tse tsoetseng pele, litalenta tse hloahloa le matla a theknoloji a tsoelang pele a matlafalitsoeng bakeng sa Moralo o Tummeng oa Letšoao la pH la Chemical 99%Thymolphthalein CAS 125-20-2, Ha re sebelisane ka matsoho ho hlahisa bokamoso bo botle bo bonoang ka kopanelo. Re u amohela ka tieo hore u etele koporasi ea rona kapa u re letsetse tšebelisano 'moho!
Nts'etsopele ea rona e ipapisitse le lisebelisoa tse tsoetseng pele, litalenta tse ntle haholo le matla a mahlale a matla a tsoelang pele bakeng saThymolphthalein le 125-20-2, Lihlahisoa tsa rona li rometsoe haholo-holo ho Asia Boroa-bochabela Euro-Amerika, 'me li rekisetsoa naheng eohle ea rona. Mme ho ipapisitse le boleng ba boleng bo holimo, theko e tlase, ts'ebeletso e ntle ka ho fetisisa, re na le maikutlo a matle ho tsoa ho bareki ba mose ho maoatle. O amohelehile ho ikopanya le rona bakeng sa menyetla le melemo e meng. Re amohela bareki, mekhatlo ea likhoebo le metsoalle ho tsoa likarolong tsohle tsa lefats'e ho ikopanya le rona le ho batla tšebelisano-'moho molemong oa bobeli.
ThymolphthaleinLebitso la saense ke “3,3-bis(4-hydroxy-5-isopropyl-2-methylphenyl)-phthalide”, e leng reagent ea tlhaho. Foromo ea lik'hemik'hale ke C28H30O4, 'me boima ba molek'hule ke 430.54. Ke phofo e tšoeu ea kristale. E qhibiliha habonolo ka har'a ether, acetone, sulfuric acid le alkaline solutions, 'me ha e qhibilihe metsing. Hangata e sebelisoa e le pontšo ea acid-base, 'me pH ea eona ea phetoho ea mebala ke 9.4-10.6,' me 'mala o fetoha ho tloha ho se nang 'mala ho ea ho o moputsoa. Ha e sebelisoa, hangata e lokisetsoa ka tharollo ea ethanol ea 0.1% 90%. E boetse e lokisoa hangata ka matšoao a mang ho theha sesupo se kopantsoeng ka bonolo ho etsa hore mefuta ea eona ea phetoho ea 'mala e be tšesaane le pono e hlakileng haholoanyane.
| ITEM | TS'ELISO | RESULT |
| Boitsebiso | Phofo e tšoeu ho isa ho e tšoeu | E lumellana |
| 1H-NMR | Maqhubu a tšoanang le a referense | Feta |
| HPLC bohloeki | ≥98% | 99.6% |
| Tahlehelo ka ho omisa | 1%max | 0.24% |
Thymolphthaleinhangata e sebelisoa e le pontšo ea acid-base, e nang le pH ea phetoho ea mebala ea 9.4 ho ea ho 10.6, le ho fetoha ha 'mala ho tloha ho se nang 'mala ho ea ho o moputsoa. Ha e sebelisoa, hangata e lokiselitsoe e le tharollo ea ethanol ea 0.1% 90%, 'me hangata e kopantsoe le matšoao a mang ho etsa pontšo e tsoakiloeng ho etsa hore mefuta ea eona ea phetoho ea' mala e be moqotetsane le e hlakileng haholoanyane ho e ela hloko. Ka mohlala, pontšo e entsoeng ka ho kopanya tharollo ea ethanol ea 0,1% ea reagent ena e nang le 0.1% ea phenolphthalein e nang le tharollo ea ethanol ea 0.1% ha e na mebala ka tharollo e nang le asiti, e pherese ka tharollo ea alkaline, 'me e tsohile pH 9.9 ('mala oa phetoho ntlha), e leng bonolo haholo ho e hlokomela.
Lihlahisoa li kenngoa ka mokotleng, 25kg / moropa
Nts'etsopele ea rona e ipapisitse le lisebelisoa tse tsoetseng pele, litalenta tse hloahloa le matla a mahlale a matla ka ho tsoelang pele bakeng sa Moralo o Tsebahalang oa Moetso oa Lik'hemik'hale pH Indicator 99% Thymolphthalein CAS 125-20-2, Ha re sebelisane ka matsoho ho hlahisa bokamoso bo botle bo bonoang ka kopanelo. Re u amohela ka tieo hore u etele koporasi ea rona kapa u re letsetse tšebelisano 'moho!
Moralo o tummeng bakeng saThymolphthalein le 125-20-2, Lihlahisoa tsa rona li rometsoe haholo-holo ho Asia Boroa-bochabela Euro-Amerika, 'me li rekisetsoa naheng eohle ea rona. Mme ho ipapisitse le boleng ba boleng bo holimo, theko e tlase, ts'ebeletso e ntle ka ho fetisisa, re na le maikutlo a matle ho tsoa ho bareki ba mose ho maoatle. O amohelehile ho ikopanya le rona bakeng sa menyetla le melemo e meng. Re amohela bareki, mekhatlo ea likhoebo le metsoalle ho tsoa likarolong tsohle tsa lefats'e ho ikopanya le rona le ho batla tšebelisano-'moho molemong oa bobeli.
