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PERC: Koj Qhov Kev daws teeb meem huv si zoo tshaj plaws
Tetrachloroethylene, tseem hu ua perchloroethylene, yog ib qho organic compound nrog cov tshuaj mis C2Cl4. Nws yog ib qho kua tsis muaj xim, tsis yaj hauv dej thiab sib xyaw nrog ethanol, ether, chloroform thiab lwm yam organic solvents. Nws feem ntau yog siv ua organic solvent thiab dry cleaning agent, thiab tuaj yeem siv rau hauv cov tshuaj ntxuav qhuav, xws li tshuaj ntxuav tes, tshuaj ntxuav khaub ncaws, tshuaj ntxuav tes ...Nyeem ntxiv -
Titanium dioxide high-end kev hloov pauv tau qhib
Lub lag luam titanium dioxide kub tau ntau xyoo tau txuas ntxiv txias txij li ib nrab xyoo tas los, thiab tus nqi tau maj mam poob qis. Txog rau tam sim no, ntau yam nqi titanium dioxide poob ntau dua 20%. Txawm li cas los xij, ua cov khoom lag luam siab hauv kev lag luam titanium dioxide, cov tshuaj chlorinat...Nyeem ntxiv -
Sodium Formate
Sodium formate yog hmoov dawb los yog crystalline uas nqus tau dej, nrog rau me ntsis tsw ntawm formic acid. Yaj hauv dej thiab glycerin, yaj me ntsis hauv ethanol, tsis yaj hauv ether. Muaj tshuaj lom. Siv tau rau hauv kev tsim cov formic acid, oxalic acid, formamide thiab hmoov pov hwm, kev lag luam tawv, chrome tanne...Nyeem ntxiv -
Hydrogen peroxide: Tus nqi poob tom qab kev nce siab
Thaum pib lub Tsib Hlis, vim muaj xwm txheej ceev, kev lag luam hydrogen peroxide tau nce siab. Txij li thaum Lub Tsib Hlis 8, tus nqi nruab nrab ntawm 27.5% ntawm 27.5% hydrogen peroxide tau mus txog 988 yuan (tus nqi tuj, tib yam hauv qab no), qhov siab tshiab ntawm lub xyoo, nce 27.48% los ntawm hnub ua haujlwm kawg ua ntej "Tsib Hlis 1". ...Nyeem ntxiv -
OXALIC ACID
Oxalic acid yog ib yam khoom organic. Cov tshuaj lom neeg yog H₂C₂O₄. Nws yog cov khoom lag luam metabolic ntawm cov kab mob. Nws yog ob qho tshuaj tsis muaj zog. Nws tau faib dav hauv cov nroj tsuag, tsiaj txhu, thiab cov kab mob fungal. Nws ua ntau yam haujlwm hauv cov kab mob sib txawv. Yog li ntawd, oxalic acid feem ntau yog reg...Nyeem ntxiv -
Potassium Hydroxide
Potassium hydroxide, yog ib hom inorganic compounds, tshuaj mis rau KOH, yog ib qho inorganic puag, nrog alkaline muaj zog, 0.1mol / L kua ntawm pH 13.5, soluble hauv dej, ethanol, me ntsis soluble hauv ether, yooj yim nqus cov dej hauv huab cua thiab deliquescent, nqus cov pa roj carbon dioxide thiab hauv ...Nyeem ntxiv -
Tetrahydrofuran
Tetrahydrofuran, luv luv THF, yog ib qho heterocyclic organic compound. Koom nrog rau chav kawm ether, yog cov khoom xyaw aromatic furan tiav hydrogenation. Tetrahydrofuran yog ib qho ntawm cov ethers polar muaj zog tshaj plaws. Nws yog siv ua cov kuab tshuaj nruab nrab polar hauv kev tshuaj reacti...Nyeem ntxiv -
Kev tso tawm ntau ntawm lub peev xwm - ABS puas yuav poob qis dua 10,000 Yuan cim?
Txij li xyoo no, nrog rau kev tso tawm tas mus li ntawm lub peev xwm tsim khoom, acrylite -butadiene -lyerene cluster (ABS) kev ua lag luam tau qeeb, thiab tus nqi tab tom yuav luag 10,000 yuan (tuj tus nqi, tib yam hauv qab no). Tus nqi qis, kev poob qis hauv cov nqi ua haujlwm, thiab cov nyiaj tau los nyias nyias tau dhau los ua qhov kev piav qhia ntawm qhov tam sim no ...Nyeem ntxiv -
Sodium Fluoride
Sodium fluoride, yog ib hom tshuaj inorganic, cov mis tshuaj yog NaF, feem ntau yog siv rau hauv kev lag luam txheej txheem ua phosphating accelerator, tshuaj tua kab ua liaj ua teb, cov ntaub ntawv sealing, preservatives thiab lwm yam teb. Cov Khoom Siv Lub Cev: Qhov ceev sib piv yog 2.558 (41/4 ° C), qhov melting point i ...Nyeem ntxiv -
Cov ntaub ntawv tshiab rau kev lag luam tshuaj lom neeg: Ntau pua lub nkoj sib tw
Nyob rau hauv cov txheej txheem ntawm kuv lub teb chaws roj thiab tshuaj kev lag luam los ntawm kev tsim khoom loj mus rau kev tsim khoom zoo, cov txiaj ntsig tshiab hauv kev teb ntawm cov ntaub ntawv tshiab nrog cov nqi nkag mus tsawg nrog cov lag luam hauv tsev qis tau tshwm sim zoo li nceb, thiab lawv tus kheej ob, polyolefin ela ...Nyeem ntxiv
