Qhov Tseem Ceeb Qhov Sib Txawv - Qhov Zoo vs Quantitative Analysis hauv Chemistry
Kev soj ntsuam zoo thiab ntau yam hauv chemistry yog hom kev tshuaj ntsuam xyuas loj uas siv hauv chemistry los txiav txim siab cov tshuaj muaj pes tsawg leeg ntawm cov qauv zoo thiab ntau npaum li cas. Qhov sib txawv tseem ceeb ntawm kev soj ntsuam zoo thiab ntau yam hauv chemistry yog qhov kev soj ntsuam zoo hauv chemistry muab qhov muaj lossis tsis muaj cov tshuaj sib txawv hauv ib qho piv txwv whereas quantitative analysis in chemistry muab cov khoom sib txawv ntawm cov tshuaj muaj nyob hauv cov qauv muab.
Kev Ntsuas Zoo hauv Chemistry yog dab tsi?
Kev tshuaj xyuas zoo hauv chemistry yog ib ceg ntawm chemistry uas tshuaj xyuas cov tshuaj muaj pes tsawg leeg ntawm cov qauv. Nws qhia cov ntsiab lus sib txawv, lossis pawg ntawm cov ntsiab lus xws li pab pawg ua haujlwm, thiab lwm yam tam sim no hauv cov qauv. Yog li ntawd, ib qho kev soj ntsuam zoo ntawm ib qho qauv tuaj yeem siv los txiav txim seb ib qho khoom puas muaj nyob hauv cov qauv lossis tsis. Txawm li cas los xij, qhov kev tshuaj ntsuam no tsis muab cov ntaub ntawv hais txog qhov muaj pes tsawg leeg ntawm cov tshuaj no. Qhov zoo ntawm cov qauv uas feem ntau xav txog hauv kev tshuaj ntsuam yog xim, tsw, melting point, boiling point, reactivity, nag lossis daus, thiab lwm yam.
Qhov kev soj ntsuam zoo muaj nyob hauv ob hom; organic qualitative tsom xam thiab inorganic qualitative tsom xam. Ntawm lawv, cov organic qualitative tsom xam txiav txim siab functional pawg thiab tshuaj bonds nyob rau hauv cov qauv whereas inorganic qualitative tsom xam, feem ntau ntawm cov sij hawm, txiav txim siab cov ions tam sim no nyob rau hauv tus qauv.
Cov txheej txheem tshuaj siv hauv kev tshuaj xyuas zoo ntawm tus qauv tuaj yeem suav nrog cov hauv qab no;
- hloov xim
- Nplaim test
- Distillation
- Txhob Cia Siab
- nag xob nag cua
- Chromatography
- Spectroscopy
Piv Txwv Kev Ntsuas Zoo hauv Chemistry
Cia peb xav txog ob peb yam piv txwv kom nkag siab txog qhov kev tshuaj xyuas zoo ntawm tus qauv.
Iodine Test (Ib qho Kev Tshawb Fawb Txog Kev Ua Haujlwm Zoo)
Kev kuaj iodine yog siv los qhia tias muaj lossis tsis muaj cov hmoov txhuv nplej siab. Nws yog qab zib, uas yog ib qho organic compound. Nyob ntawd, kua iodine yog siv los ua qhov taw qhia. Kev ntsuas qhov chaw tuaj yeem siv los kuaj (Nqa cov pobzeb dawb thiab muab qee cov tee ntawm cov qauv uas yuav raug tshuaj xyuas. Tom qab ntawd ntxiv cov tshuaj iodine rau txhua tee ntawm cov qauv. Yog tias cov xim ntawm cov qauv hloov mus rau xim av, nws qhia tias muaj cov hmoov txhuv nplej siab).
Nplaim Test (Ib Inorganic Qualitative Analysis Technique)
Daim duab 01: Zinc nplaim Test
Nyob rau hauv qhov kev sim nplaim taws, muaj qee yam hlau lossis nws cov ions tuaj yeem txiav txim siab. Txawv hlau atoms muab cov xim sib txawv rau cov nplaim taws. Raws li cov nplaim xim muab thaum ib feem ntawm cov qauv raug hlawv hauv Bunsen burner, tuaj yeem txiav txim siab muaj qee cov hlau ions. Piv txwv li: Zinc muab cov nplaim ntsuab xim.
Yuav Ua Li Cas Kev Ntsuas Hauv Chemistry yog dab tsi?
Quantitative tsom xam hauv chemistry yog ib ceg ntawm chemistry uas cuam tshuam nrog qhov ntau ntawm cov khoom sib txawv hauv cov qauv. Qhov ntau tuaj yeem muab tau raws li qhov loj, ntim, concentration, txheeb ze abundance, thiab lwm yam. Muaj cov txheej txheem tshuaj lom neeg lossis lub cev uas siv rau hauv kev tshuaj xyuas kom muaj nuj nqis.
Tshuaj Siv Tshuaj
Cov txheej txheem tshuaj muaj xws li tshuaj tiv thaiv (piv txwv li: oxidation, txo qis, nag lossis daus, neutralization, thiab lwm yam), titration method, gravimetric method, combustion analysis techniques, etc.
Lub Cev Txheej Txheem
Lub cev txoj kev tshuaj xyuas ib lossis ntau lub cev ntawm tus qauv. Qee qhov piv txwv suav nrog AES (Atomic emission spectroscopy), x-ray fluorescence spectroscopy, mass spectroscopy, thiab lwm yam.
Tab sis feem ntau ntawm cov sij hawm, cov txheej txheem kev tshuaj xyuas lub cev thiab tshuaj lom neeg tau siv ua ke nrog qee qhov kev suav los txiav txim seb tus nqi pes tsawg ntawm cov khoom hauv ib qho piv txwv. Txawm li cas los xij, tuaj yeem muaj ntau qhov cuam tshuam thiab kev sim ua yuam kev uas ua rau qhov ua tsis tiav qhov kawg.
Daim duab 02: Txoj Kev Titration
Kev tshuaj xyuas ntau ntawm tus qauv yog qhov tseem ceeb heev rau ntau qhov laj thawj. Nws muab cov ntsiab lus hais txog ntau npaum li cas reactant yuav tsum tau siv los ua cov tshuaj synthesis tshuaj kom tau txais qee yam khoom, yog li cov pov tseg ntawm cov tshuaj txo qis (atom kev lag luam nce), nws tuaj yeem siv los txiav txim siab cov zaub mov zoo lossis lwm yam khoom los ntawm kev qhia txog qhov muaj cov khoom xyaw tsim nyog, nws yuav pab tau rau kev txiav txim siab purity yog tias tus qauv, thiab lwm yam.
Dab tsi yog qhov zoo sib xws ntawm Kev Ntsuas Zoo thiab Kev Ntsuas Quantitative hauv Chemistry?
- Ob qho tib si Kev Tshawb Fawb thiab Kev Tshawb Fawb Hauv Chemistry yog cov txheej txheem analytical.
- Ob Qhov Kev Ntsuas Zoo thiab Kev Tshawb Fawb Hauv Chemistry cov txheej txheem muab cov ntsiab lus hais txog cov khoom hauv tus qauv.
- Feem ntau, cov tswv yim no tau siv ua ke (Ex: siv cov kev soj ntsuam zoo ua raws li kev soj ntsuam ntau)
Dab tsi yog qhov txawv ntawm Kev Ntsuas Zoo thiab Kev Ntsuas Qeb hauv Chemistry?
Qualitative vs Quantitative Analysis in Chemistry |
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| Kev tshuaj xyuas zoo hauv chemistry yog ib ceg ntawm chemistry uas tshuaj xyuas cov tshuaj muaj pes tsawg leeg ntawm tus qauv. | Quantitative tsom xam hauv chemistry yog ib ceg ntawm chemistry uas cuam tshuam nrog ntau qhov sib txawv ntawm cov qauv. |
| Details | |
| Kev tshuaj xyuas zoo hauv chemistry muab qhov muaj lossis tsis muaj cov tshuaj sib txawv hauv cov qauv. | Kev tshuaj xyuas ntau hauv chemistry muab cov khoom sib txawv ntawm cov tshuaj muaj nyob hauv cov qauv muab. |
| Techniques | |
| Kev tshuaj xyuas zoo hauv chemistry siv cov tswv yim xws li distillation, rho tawm, thiab hloov xim, chromatography, thiab lwm yam. | Kev tshuaj xyuas ntau hauv chemistry siv cov tswv yim xws li titrations, gravimetric analysis, combustion analysis, AES, thiab lwm yam. |
Summary – Qualitative vs Quantitative Analysis in Chemistry
Kev soj ntsuam zoo thiab ntau yam hauv chemistry muab cov ntsiab lus ntawm cov qauv muab xws li tshuaj lom neeg muaj pes tsawg leeg thiab cov nqi ntawm cov khoom sib txawv tam sim no hauv cov qauv ntawd. Qhov sib txawv ntawm qhov zoo thiab ntau qhov kev tshuaj ntsuam hauv chemistry yog qhov kev soj ntsuam zoo hauv chemistry muab qhov muaj lossis tsis muaj cov tshuaj sib txawv hauv ib qho piv txwv whereas quantitative analysis in chemistry muab tus nqi sib txawv ntawm cov tshuaj muaj nyob hauv ib qho qauv.
