Xov xwm
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Daim ntawv thov thiab synthesis ntawm glacial acetic acid (medicinal excipients)
Functional acidifier Hauv kev siv cov tshuaj txhaj tshuaj, intramuscular txhaj, txhaj tshuaj subcutaneous, kev npaj sab nraud, kev npaj kho qhov muag, kev lim ntshav dag, thiab lwm yam, ntau npaum li cas raws li cov qauv kev kho mob nruj. ruaj ntseg Glacial acetic acid yog dav siv nyob rau hauv ...Nyeem ntxiv -
Siv calcium formate los daws qhov teeb meem ntawm cement chaw thiab hardening
Raws li cov lus hais mus, "tus kws tshaj lij saib lub qhov rooj, tus neeg ua haujlwm saib cov neeg coob coob", lub zog thaum ntxov ntawm cov cement loj hlob sai, tom qab lub zog loj hlob qeeb, yog tias qhov kub thiab av noo tsim nyog, nws lub zog tseem tuaj yeem loj hlob maj mam. ob peb xyoos lossis kaum xyoo. Wb tal...Nyeem ntxiv -
Sodium acetate siv lub ntsiab
01 Kho tus nqi PH Sodium acetate feem ntau yog siv los tswj tus nqi PH ntawm cov dej phwj tuaj. Qhov no yog vim sodium acetate yog cov tshuaj alkaline uas hydrolyzes hauv dej los tsim OH-tsis zoo ions. Cov OH- tsis zoo dissociations Muons tuaj yeem nruab nrab acidic ions hauv dej, xws li H + thiab NH4 +, th ...Nyeem ntxiv -
Yuav ua li cas yog calcium formate accelerate qhov chaw thiab hardening ntawm pob zeb tshwj xeeb?
Calcium formate yog cov kua hmoov dawb los yog daj me ntsis, uas tuaj yeem ua kom cov hydration ceev ntawm cov cement thiab zam qhov teeb meem ntawm qhov teeb meem qeeb qeeb hauv lub caij ntuj no los yog qhov kub thiab txias thiab ntub dej, txhawm rau txhim kho lub zog thaum ntxov ntawm mortar. Hnub no kuv yuav hais...Nyeem ntxiv -
Lub luag haujlwm ntawm calcium formate hauv kev ua liaj ua teb
Hauv kev ua liaj ua teb niaj hnub no, kev kawm txuas ntxiv ntawm kev tshawb fawb thiab thev naus laus zis tau coj ntau txoj hauv kev yooj yim rau kev ua liaj ua teb, ntawm cov calcium formate ua cov chiv tshiab tau maj mam nyiam cov neeg nyiam. Raws li kev nyab xeeb thiab ib puag ncig tus phooj ywg chiv, calcium hom ...Nyeem ntxiv -
Qhov tsis meej ntawm glacial acetic acid
Ntshiab glacial acetic acid, uas yog, anhydrous acetic acid, acetic acid yog ib qho tseem ceeb organic acids, organic compounds. Nws solidifies rau hauv dej khov ntawm qhov kub thiab txias thiab feem ntau hu ua glacial acetic acid. Qhov chaw khov yog 16.6 ° C (62 ° F), thiab tom qab solidification, nws dhau los ua xim ...Nyeem ntxiv -
Kev npaj thiab kev siv ntawm glacial acetic acid
Kev npaj thiab kev siv ntawm glacial acetic acid Acetic acid, tseem hu ua acetic acid, glacial acetic acid, tshuaj formula CH3COOH, yog ib qho organic monic acid thiab luv-chain saturated fatty acid, uas yog lub hauv paus ntawm acid thiab pungent tsw nyob rau hauv vinegar. Raws li ib txwm muaj, nws yog hu ua ...Nyeem ntxiv -
Kev siv cov formic acid hauv tawv
Daim ntawv thov ntawm formic acid nyob rau hauv tawv tawv tawv yog ib tug denatured tsiaj tawv nqaij tau los ntawm lub cev thiab tshuaj ua xws li cov plaub hau tshem tawm thiab tanning. Formic acid tau siv rau hauv ntau yam kev sib txuas xws li kev tshem tawm cov plaub hau, tanning, kho xim thiab kho pH hauv kev ua tawv. Qhov tshwj xeeb r...Nyeem ntxiv -
Kev siv phosphoric acid
Cov yam ntxwv ntawm phosphoric acid yog nruab nrab-muaj zog acid, thiab nws cov crystallization point (kub point) yog 21 ° C, thaum nws qis dua qhov kub, nws yuav precipitate semi-aqueous (ice) crystals. Crystallization yam ntxwv: siab phosphoric acid concentration, siab purity, siab ...Nyeem ntxiv -
Hiav txwv freight nce vwm, yuav ua li cas daws lub thawv txhawj xeeb? Saib seb cov tuam txhab lag luam teb li cas rau kev hloov pauv!
Hiav txwv freight nce vwm, yuav ua li cas daws lub thawv txhawj xeeb? Saib seb cov tuam txhab lag luam teb li cas rau kev hloov pauv! Raws li kev cuam tshuam ntawm ntau yam, tus nqi thauj khoom ntawm kev lag luam tawm txawv teb chaws qhia tau tias muaj kev nce ntxiv. Nyob rau hauv lub ntsej muag ntawm nce hiav txwv freight, txawv teb chaws lag luam lag luam nyob ib ncig ntawm lub ...Nyeem ntxiv -
Calcium formate siv
Calcium formate siv: txhua yam qhuav mix mortar, txhua yam ntawm cov pob zeb, hnav-resistant cov ntaub ntawv, pem teb kev lag luam, pub kev lag luam, tanning. Tus nqi ntawm calcium formate yog li ntawm 0.5 ~ 1.0% ib tuj qhuav mortar thiab pob zeb, thiab qhov siab tshaj plaws ntxiv yog 2.5%. Tus nqi ntawm calcium formate yog ...Nyeem ntxiv -
Kev npaj ntawm sodium acetate yog dab tsi? Nws siv rau dab tsi?
Cov txheej txheem tsim khoom thiab cov ntsiab lus ntawm sodium acetate yog raws li hauv qab no: Sodium acetate yog tsim los ntawm cov tshuaj tiv thaiv ntawm ntau yam tshuaj: glacial acetic acid nrog sodium carbonate los yog caustic soda los yog sodium hydroxide Sodium carbonate thiab caustic soda ntsiav tshuaj tsis yog siv ntau hauv s. ..Nyeem ntxiv