Cov txheej txheem:
Video: Koj ua li cas cov kuab tshuaj thiab cov kaus poom?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
TSIS TAU
- Tsis txhob sib tov cov kua qaub nrog cov kuab tshuaj los yog nplaim taws. Ib qho kev tawm tsam hnyav tuaj yeem tshwm sim cov kuab tshuaj hauv qab lub dab dej.
- Tsis txhob ntws.
- Tsis txhob poob koj txhais tes rau hauv ib tshuaj txawm hnav hnab looj tes.
- Tsis txhob hloov pauv lub kaus mom lub raj mis. Muab tib lub hau rov qab rau ntawm lub raj mis kom paub tseeb tias nws nruj.
Kuj paub, ua li cas koj pov tseg cov kuab tshuaj thiab cov kaus poom?
Empty Tsawg Volatile Solvent Ntim: Txoj kev kom raug pov tseg ntawm ib qho emptied 20 L thawv ntawm ib tug tsawg volatile kuab tshuaj (piv txwv li N, N-dimethylformamide, piv txwv li) yog kom yaug lub thawv kom huv si nrog qhov tsis zoo. kuab tshuaj , muab cov rinsate tso rau hauv lub thawv pov tseg uas tsim nyog thiab txiav tawm txhua qhov txuas ntxiv
Koj yuav tsum tsis txhob ua dab tsi thaum tuav cov tshuaj? Tshuaj yuav tsum tsis txhob muab khaws cia ua ke nrog cov khoom siv hluav taws xob thiab lub tog raj kheej roj. Tsis txhob khaws cov kua qaub thiab alkalis ua ke. Tsis txhob khaws cov kua qaub thiab cov organic tshuaj ua ke. Tsis txhob khaws oxidizing zoo tshuaj ua ke nrog oxidisable tshuaj.
Ib yam li ib tug yuav nug, koj yuav tsum ua li cas ua ntej siv cov kuab tshuaj tshuaj?
Thaum tuav cov kuab tshuaj, cov kev ceev faj hauv qab no yuav tsum tau ua:
- Khaws cov kuab tshuaj rau hauv cov thawv uas muaj zog, kaw.
- Qhia meej meej thiab sau cov thawv ntim.
- Tsim cov txheej txheem thiab txoj kev khiav tawm thaum muaj hluav taws kub los yog hnyav hnyav.
- Hnav khaub ncaws tiv thaiv.
- Siv lub tshuab ua pa.
Kuv tuaj yeem pov tseg cov tshuaj ua kua nyob qhov twg?
Ntau ua kua , gel lossis hmoov ntxuav tuaj yeem ua tau pov tseg ntawm tib txoj kev uas cov khoom siv, xws li cov dej ntws. Lub raj mis yas thiab cov kaus poom aerosol feem ntau tuaj yeem rov ua dua thaum khoob. Cov khoom uas muaj kev phom sij tshuaj zoo li cov tshuab ntxhua khaub ncaws yuav tsum tau muab coj mus rau hauv qhov chaw pov tseg pov tseg qhov chaw.
Pom zoo:
P kaus mom thiab Q lub kaus mom yog dab tsi hauv kev txheeb cais?
P. qhov tshwm sim ntawm cov ntaub ntawv (lossis cov ntaub ntawv hnyav dua) tshwm sim los ntawm lub sijhawm, saib P qhov tseem ceeb. p. proportions ntawm tus qauv nrog ib tug muab tus yam ntxwv. q lub kaus mom, lub kaus mom lub cim saum lub q txhais tau tias 'kwv yees'
Yuav ua li cas koj xam tus nqi ntawm cov kuab tshuaj kom yaj?
Solubility qhia qhov siab tshaj plaws ntawm cov khoom uas tuaj yeem yaj hauv cov kuab tshuaj ntawm qhov kub thiab txias. Xws li kev daws yog hu ua saturated. Faib qhov loj ntawm qhov sib xyaw los ntawm qhov hnyav ntawm qhov hnyav thiab muab 100 g los xam cov solubility hauv g / 100g
Vim li cas cov qauv ntawm cov dej ua rau nws muaj cov kuab tshuaj zoo?
Dej muaj peev xwm yaj ntau yam khoom sib txawv, uas yog vim li cas nws yog ib qho hnyav hnyav. Cov dej molecules muaj lub ntsiab lus ntawm cov pa oxygen thiab hydrogen atoms - ib sab (hydrogen) muaj qhov zoo hluav taws xob thiab lwm sab (oxygen) muaj qhov tsis zoo
Puas yog Progresso cov kaus poom kua zaub kab nrog BPA?
Kev hloov mus rau cov kaus poom uas tsis yog-BPA Kom txaus siab rau tag nrho peb cov neeg siv khoom, peb kuj muab cov kaus poom uas tsis yog BPA thiab tau cog lus tias yuav txuas ntxiv qhov kev hloov pauv no
Dab tsi yog tshuaj lom neeg cov tshuaj tiv thaiv thiab cov tshuaj tiv thaiv lub cev?
Qhov sib txawv ntawm cov tshuaj tiv thaiv lub cev thiab cov tshuaj tiv thaiv tshuaj yog muaj pes tsawg leeg. Hauv cov tshuaj tiv thaiv tshuaj, muaj kev hloov pauv ntawm cov tshuaj hauv nqe lus nug; nyob rau hauv ib qho kev hloov ntawm lub cev muaj qhov sib txawv ntawm qhov tsos, tsis hnov tsw, los yog cov duab yooj yim ntawm cov qauv ntawm cov teeb meem yam tsis muaj kev hloov pauv hauv cov ntsiab lus