Glycerin yog siv dav hauv ntau qhov kev lag luam. Nws yog dab tsi thiab dab tsi yog qhov tseem ceeb ntawm cov khoom no? Thawj thawj zaug, glycerin tau txais los ntawm Swedish chemist K. Scheele thaum kawg ntawm lub xyoo pua kaum yim. Txij thaum ntawd los, vim nws cov khoom, nws tau siv rau hauv tshuaj, cosmetology, thiab txawm nyob rau hauv kev lag luam khoom noj.
Glycerin - yog dab tsi? Main lub cev muaj zog
Cov kua tsis muaj xim no yog cov cawv trihydric. Glycerin kuj tseem tuaj yeem nyob rau hauv daim ntawv ntawm cov muaju uas yaj ntawm qhov kub qis (17 ° C). Kub taw tes yog kwv yees li 290 ° C. Glycerin yog yooj yim miscible nrog cawv, dej, thiab kuj yog ib qho hnyav hnyav rau ntau lub tebchaw (ob qho tib si organic thiab inorganic). Cov khoom tseem ceeb ntawm lub cev yog hygroscopicity, tsis hnov tsw, xim. Nws yog tsim nyog sau cia tias qhov no tsis yog tshuaj lom, thiab yog li muaj kev nyab xeeb rau tib neeg kev noj qab haus huv. Txawm li cas los xij, tseem muaj lub npe xws li glycerol (raws li tsis yog ntuj glycerin yog txhais ua lus Askiv). Nws yog dab tsi? Cov khoom zoo li no tsis tau txais los ntawm cov roj ntsha ntuj. Hauv Lavxias, tsis muaj kev faib ua glycerin thiab glycerol.
Yuav txais li casglycerine
Thawj tus qauv ntawm glycerin tau txais los ntawm cov cua sov cov hlau lead oxide thiab cov roj txiv roj. Raws li qhov tshwm sim ntawm cov tshuaj tiv thaiv, cov tshuaj qab zib tau txais. Tom qab evaporated nws, Scheele tau txais cov khoom hnyav hnyav. Thaum pib ntawm lub xyoo pua puv 19, glycerin kuj tau txais kev lag luam (los ntawm saponification ntawm cov rog nrog hydroxides). Ib me ntsis tom qab, lwm txoj kev kom tau txais glycerin tau tsim. Ib qho dej tau ntxiv rau cov rog. Tom qab ntawd qhov sib tov no tau rhaub. Nyob rau hauv cov ntaub ntawv no, cov sib tov decomposed rau hauv fatty acids thiab ncaj qha glycerol. Tag nrho cov txheej txheem siv sijhawm li 12 teev. Cov ntsiab lus ntawm glycerin yog raws li nram no: carbon, hydrogen thiab oxygen atoms. Ntawd yog, cov molecule muaj peb pawg hydroxyl (CH2OH-CHOH-CH2OH). Txoj kev piav qhia yog dav siv nyob rau hauv Russia. Tab sis muaj ntau txoj hauv kev kom tau txais cov khoom. Ib tug ntawm lawv yog distillation ntawm glycerin nrog chav. Ua li no, distilled glycerin tuaj yeem tau txais. Nws yog dab tsi? Nws yog cov khoom siv huv huv uas tsim nyog rau kev siv sab hauv (xws li hauv tshuaj lossis kev lag luam khoom noj). Tsis tas li, emulsifiers yog siv rau kev tsim khoom - sulfonic acids.
YKev siv glycerin hauv cosmetology
Hauv cosmetology, ib yam khoom xws li glycerin yog siv dav. Tus nqi (los ntawm 10 rubles) tso cai rau koj siv nws loj heev, thaum cov tshuaj pleev ib ce tseem yuav pheej yig. Nws lub ntsiab feature yog lub peev xwm adsorb noo noo los ntawm ib puag ncig. Nws, zoo li daim txhuam cev, absorbs dej molecules los ntawm huab cua thiab saturates lawv nrog nws.daim tawv nqaij npog. Glycerin yog ib feem ntawm ntau cov cream rau lub ntsej muag, lub cev, tes. Kuj tseem muaj ntau yam zaub mov txawv rau lub ntsej muag ntuj thiab lwm yam khoom siv raws li cov tshuaj no tuaj yeem npaj tau hauv tsev. Txawm li cas los xij, nws tsim nyog nco ntsoov tias huab cua qhuav heev (piv txwv li, thaum lub caij cua sov, lub caij ntuj sov) ua rau lub fact tias glycerin tsim ib zaj duab xis rau saum npoo ntawm daim tawv nqaij. Yog li ntawd, cov dej noo tsis yog absorbed los ntawm cov huab cua, tab sis los ntawm cov khaubncaws sab nraud povtseg ntawm peb cov tawv nqaij. Raws li, nws yuav qhuav, irritation yuav tshwm sim. Cov tshuaj pleev ib ce yuav tsum tsis pub ntau tshaj 7% glycerin. Tsuas yog nyob rau hauv rooj plaub no, nws yuav muab cov nyhuv xav tau.
Y Pharmacological glycerin. Nws yog dab tsi? Kev siv cov tshuaj no hauv tshuaj
Ua ntej tshaj, txhawm rau siv glycerin hauv cov tshuaj, nws yuav tsum tau ntxuav kom huv si ntawm txhua yam impurities. Nyob rau hauv nws cov ntshiab daim ntawv, xws li ib tug tshuaj muaj zoo antiseptic zog. Nws tuaj yeem pom muaj nyob rau hauv cov muaj pes tsawg leeg ntawm ntau yam tshuaj pleev rau cov teeb meem ntawm daim tawv nqaij, thaum glycerin kuj pab kho qhov txhab. Tsis tas li ntawd, vim muaj peev xwm nqus tau thiab khaws cov dej noo, nws tau ntxiv rau ntau cov ntsiav tshuaj. Nws kuj muab cov yam ntxwv viscosity rau syrups, tshuaj pleev, pastes. Nws yog ib qho tsim nyog sau cia tias glycerin tso cai rau koj los tsim kev npaj ntau dua (thaum hloov dej nrog cov tshuaj no). Glycerin nyob rau hauv ib lub tsev muag tshuaj kuj tuaj yeem pom raws li qhov quav suppositories. Lawv yog cov zoo rau cem quav, txhawb txoj hnyuv motility. Kuj tseem muaj cov zaub mov txawv tshuaj raws li kev sivglycerin.
Cov zaub mov noj pej xeem siv glycerin
Ntau tus neeg paub tshuaj hnoos raws li zib ntab, kua txiv qaub thiab glycerin. Ua li no, ntxuav cov txiv qaub kom huv si, boil hauv maj mam boiling dej li 10 feeb. Tom qab ntawd cov kua txiv yog squeezed tawm ntawm txiv qaub, glycerin ntxiv. Tus nqi ntawm glycerin rau kev siv sab hauv yuav siab dua me ntsis (los ntawm 50 rubles). Tom ntej no, zib mu yog ntxiv rau qhov sib tov. Cov tshuaj no yog noj nyob rau hauv ib tug teaspoon 3-4 zaug ib hnub twg.
Tsis tas li, glycerin yuav pab tiv thaiv pob taws tawg. Ua li no, koj yuav tsum tau ntxiv me me ntawm vinegar rau nws thiab lubricate lub luj taws nrog lub resulting muaj pes tsawg leeg ua ntej mus pw. Koj tuaj yeem siv qhov sib tov ua daim npog ntsej muag. Cia lawv ntawm ob peb teev kom ua tiav cov txiaj ntsig siab tshaj plaws.
Tseem muaj tshuaj kho mob pob qij txha. Nws yog tsim nyog los sib tov ammonia, iodine, zib mu thiab glycerin nyob rau hauv sib npaug zos nqi. Kev tshuaj xyuas rau cov khoom no zoo heev. Cov tshuaj pleev kuj pab nrog kev raug mob ntawm lub cev musculoskeletal.
Glycerin thiab zaub mov
Hauv kev lag luam khoom noj niaj hnub no, glycerin tuaj yeem pom hauv yuav luag txhua yam khoom noj khoom haus. Creams, khoom qab zib, qhob noom xim kasfes, muffins - qhov no tsis yog tag nrho cov npe ntawm cov khoom uas yuav muaj glycerin zaub mov. Nws kuj tuaj yeem pom hauv cov khoom siv hmoov nplej. Ua tsaug rau kev siv cov khoom no, lub khob cij yuav tsis mus rau lub sijhawm ntev, thaum ci, nws ntim tau nce, thiab cov nplej zom yuav tsis nplaum. Lwm thaj chaw ntawm daim ntawv thov yog cawvkev lag luam. Glycerin yog ib feem ntawm yuav luag tag nrho cov liqueurs. Nws tseem tuaj yeem pom hauv cov dej qab zib.
Lwm daim ntawv thov
Glycerine kua muaj ntau yam kev siv. Nws yog siv hauv kev ua liaj ua teb rau kev kho cov noob. Cov kev npaj uas muaj cov tshuaj no zoo kawg nkaus tiv thaiv cov tawv ntoo ntawm cov kab tsuag thiab huab cua phem. Tsis tas li ntawd, glycerin yog siv nyob rau hauv cov tub rog, kev thauj mus los kev lag luam (nws yog nkag mus rau hauv cov muaj pes tsawg leeg ntawm antifreeze thiab nres kua). Thaum ib yam khoom ntxiv rau cov luam yeeb, cov dej noo ntawm cov tom kawg yog tswj, thiab nws saj yog softened. Nws kuj tseem siv rau hauv kev tsim cov kua rau cov luam yeeb hauv hluav taws xob. Kev tshuaj xyuas cov neeg siv khoom hais tias glycerin tseem yog qhov tseem ceeb hauv lub neej txhua hnub. Nrog nws, koj tuaj yeem ntxiv ci rau lub laminate, tshem tawm cov stains los ntawm cov txiv hmab txiv ntoo, tshuaj yej, kas fes, cov khoom tawv tawv thiab muab lawv cov ci qub qub.
