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Tus neeg muab khoom siv ntawm cov neeg sawv cev ntub dej txhim khu kev qha
Cov tshuaj ua kom ntub dej yog cov tshuaj uas txo qhov nro ntawm cov kua dej, ua rau nws kis tau yooj yim dua. Lawv feem ntau siv rau ntau yam kev siv, suav nrog zaub mov, tshuaj pleev ib ce, kev ua ntawv, kev kho dej, tshuaj ntxuav tes, kev tsim qab zib, kev ua kom fermentation, kev txheej, kev luam ntawv thiab zas xim rau ntaub, kev khawb thiab kev ua kom huv, roj hydraulic thiab roj lubricating zoo, cov tshuaj tso tawm, thiab ntau lwm yam.
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Chaw Tsim Khoom Zoo Nqe Dej soluble semi-inorganic silicon steel sheet xim
Piv nrog rau cov xim silicon steel ib txwm muaj, 0151 xim siv dej kais ua cov kuab tshuaj, tsis muaj chromium, phenolic resin thiab lwm yam khoom tsis zoo rau ib puag ncig, yog cov khoom ntsuab tshiab; Cov ntsiab lus inorganic ntawm 0151 xim yog txog li 50%, uas ua tau raws li FranKlin hlawv xeem.
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Chaw Tsim Khoom Zoo Nqe ERUCAMIDE CAS: 112-84-5
ERUCAMIDE yog ib hom roj fatty acid amide uas siab heev, uas yog ib qho tseem ceeb ntawm erucic acid. Nws yog cov khoom siv roj nplaum uas tsis muaj ntxhiab, tsis yaj hauv dej, thiab muaj qee qhov solubility hauv ketone, ester, cawv, ether, benzene thiab lwm yam organic fluxes. Vim tias cov qauv molecular muaj cov saw hlau C22 ntev thiab pawg polar amine, yog li nws muaj qhov zoo heev ntawm qhov chaw polarity, qhov chaw melting siab thiab kev ruaj khov thermal zoo, tuaj yeem hloov lwm cov khoom zoo sib xws uas siv dav hauv cov yas, roj hmab, luam ntawv, tshuab thiab lwm yam lag luam. Ua tus neeg sawv cev ua cov polyethylene thiab polypropylene thiab lwm yam yas, tsis yog tsuas yog ua rau cov khoom tsis sib txuas lus Chemicalbook, ua rau lubricity ntau dua, tab sis kuj txhim kho cov yas thermal thiab kev tiv thaiv cua sov ntawm cov yas, thiab cov khoom tsis muaj tshuaj lom, cov teb chaws txawv teb chaws tau tso cai rau nws siv rau hauv cov khoom ntim khoom noj. Erucic acid amide nrog roj hmab, tuaj yeem txhim kho qhov ci ntawm cov khoom roj hmab, lub zog tensile thiab elongation, txhim kho kev txhawb nqa vulcanization thiab kev tiv thaiv kev puas tsuaj, tshwj xeeb tshaj yog tiv thaiv kev tawg ntawm lub hnub. Ntxiv cov kua mem, tuaj yeem ua rau cov kua mem luam ntawv lo rau, tiv taus kev sib txhuam, tiv taus kev luam ntawv offset thiab yaj xim. Tsis tas li ntawd, erucic acid amide kuj tseem siv tau ua tus neeg sawv cev txhuam ntawm daim ntawv quav ciab, zaj duab xis tiv thaiv ntawm hlau thiab ua npuas dej stabilizer ntawm cov tshuaj ntxuav tes.
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Chaw Tsim Khoom Zoo Nqe Oxalic Acid CAS: 144-62-7
Oxalic acid yog ib qho dicarboxylic acid muaj zog uas tshwm sim hauv ntau cov nroj tsuag thiab zaub, feem ntau yog nws cov ntsev calcium lossis potassium. Oxalic acid yog tib qho sib xyaw ua ke uas ob pawg carboxyl sib koom ua ke ncaj qha; vim li no oxalic acid yog ib qho ntawm cov organic acids muaj zog tshaj plaws. Tsis zoo li lwm cov carboxylic acids (tshwj tsis yog formic acid), nws yooj yim oxidized; qhov no ua rau nws muaj txiaj ntsig zoo li tus neeg sawv cev txo qis rau kev thaij duab, tshuaj dawb, thiab tshem tawm cov kua mem. Oxalic acid feem ntau yog npaj los ntawm kev ua kom sov sodium formate nrog sodium hydroxide los tsim sodium oxalate, uas hloov pauv mus ua calcium oxalate thiab kho nrog sulfuric acid kom tau txais oxalic acid dawb.
Cov concentration ntawm oxalic acid yog qis heev hauv feem ntau cov nroj tsuag thiab cov khoom noj uas ua los ntawm cov nroj tsuag, tab sis muaj txaus hauv spinach, chard thiab beet zaub ntsuab kom cuam tshuam rau kev nqus ntawm cov calcium uas cov nroj tsuag no kuj muaj.
Nws yog tsim tawm hauv lub cev los ntawm kev ua kom cov glyoxylic acid lossis ascorbic acid. Nws tsis yog metabolized tab sis tso tawm hauv cov zis. Nws yog siv ua cov tshuaj analytical thiab tus neeg sawv cev txo qis dav dav. Oxalic acid yog ib qho tshuaj tua kab mob ntuj siv rau kev kho mob tawm tsam cov kab mob varroa hauv cov pawg uas tsis muaj / tsawg brood, pob khoom, lossis swarms. Vaporized oxalic acid yog siv los ntawm qee tus neeg yug beekeepers ua tshuaj tua kab tawm tsam parasitic Varroa mite. -
Chaw Tsim Khoom Zoo Tus Nqi Sodium Bicarbonate CAS: 144-55-8
Sodium bicarbonate, uas yog cov khoom sib xyaw uas feem ntau hu ua baking soda, muaj nyob rau hauv cov khoom dawb, tsis muaj ntxhiab, thiab crystalline. Nws tshwm sim ntuj tsim cov mineral nahcolite, uas tau txais nws lub npe los ntawm nws cov mis tshuaj los ntawm kev hloov "3" hauv NaHCO3 nrog qhov kawg "lite." Lub hauv paus tseem ceeb ntawm nahcolite hauv ntiaj teb yog Piceance Creek Basin hauv sab hnub poob Colorado, uas yog ib feem ntawm Green River loj dua. Sodium bicarbonate yog rho tawm los ntawm kev siv cov tshuaj mining los ntawm kev twj dej kub los ntawm cov qhov dej txhaj tshuaj kom yaj nahcolite los ntawm Eocene txaj qhov twg nws tshwm sim 1,500 txog 2,000 ko taw hauv qab ntawm qhov chaw. Cov sodium bicarbonate yaj raug pumped mus rau saum npoo qhov twg nws raug kho kom rov qab tau NaHCO3 los ntawm cov tshuaj. Sodium bicarbonate kuj tseem tuaj yeem tsim los ntawm cov trona deposits, uas yog qhov chaw ntawm sodium carbonates (saib Sodium Carbonate).
Cov Khoom Siv Tshuaj: Sodium bicarbonate, NaHC03, tseem hu ua sodium acid carbonate thiab baking soda, yog cov khoom dawb crystalline uas yaj tau hauv dej. Nws muaj qhov saj alkaline, poob carbon dioxide ntawm 270 ° C (518 ° F). Thiab siv rau hauv kev npaj zaub mov. Sodium bicarbonate kuj pom tias siv ua tshuaj, tshuaj tiv thaiv butter, hauv cov khoom siv ceramics, thiab tiv thaiv pwm ntoo.
Synonym: Sodium bicarbonate, GR, ≥99.8%; Sodium bicarbonate, AR, ≥99.8%; Sodium bicarbonate txheem kua; Natrium Bicarbonate; SODIUM BICARBONATE PWD; Sodium bicarbonate xeem kua (ChP); Sodium bicarbonate Chaw tsim tshuaj paus; TSQN
CAS:144-55-8
EC No.:205-633-8
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Chaw Tsim Khoom Zoo Tus Nqi Ammonium Bifluoride CAS: 1341-49-7
Ammonium hydrogen fluoride tseem hu ua acid ammonium fluoride. Cov mis tshuaj NH4F HF. Qhov hnyav molecular 57.04. Dawb deliquous hexagonal siv lead ua, lom. Nws yooj yim rau delix. Qhov ceev ntawm qhov sib piv yog 1.50, qhov melting point yog 125.6 ℃, thiab qhov refraction yog 1.390. Yuav sublimate, corrosive rau iav, kub lossis dej kub yuav decompose. Yaj hauv dej, me ntsis soluble hauv cawv. Aqueous kua yog acidic heev, tuaj yeem corrode iav, corrosive rau daim tawv nqaij. Gaseous ammonia tau ntxiv rau 40% ntawm hydrofluoric acid, tom qab ntawd txias thiab crystallized.
Txoj kev npaj: 1 mole ntawm ammonia dej kom nqus 2 moles ntawm hydrogen fluoride, thiab tom qab ntawd txias, concentration, crystallization.
Siv: Siv ua tshuaj reagent, earthenware thiab iav etching, electroplating, brewing kev lag luam, fermentation kev lag luam preservative thiab bacterial inhibitor, thiab lwm yam. Nws kuj yog siv rau hauv beryllium smelting thiab ceramic manufacturing.
Cov Khoom Siv Tshuaj： Dawb los yog tsis muaj xim pob tshab rhombic siv lead ua lub cev siv lead ua, cov khoom yog flake, saj me ntsis qaub. Me ntsis soluble hauv cawv, yooj yim soluble hauv dej txias, decompose hauv dej kub. Dej yog acidic heev thaum yaj.
Cov Lus Txhais: ETCHINGPOWDER; AMMONIUMBIFLUORIDE; ammoniumfluoridecompwithhydrogenfluoride (1: 1); ammoniumhydrofluoride; ammoniumhydrogChemicalbookenbifluoride; fluorureacided'ammonium (Fabkis); Ammoniumbifluoride-crystal; AMMoniuMhydrogendifluoride, extrapure, 95% 1KG
CAS:1341-49-7
EC No.:215-676-4
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Chaw Tsim Khoom Zoo Nqe 2,4,6 TRIS (DIMETHYLAMINOMETHYL) PHENOL- ANCAMINE K54 CAS: 90-72-2
Ancamine K54 (tris-2,4,6-dimethylaminomethyl phenol) yog ib qho tshuaj ua kom cov epoxy resins kho nrog ntau hom hardener xws li polysulphides, polymercaptans, aliphatic thiab cycloaliphatic amines, polyamides thiab amidoamines, dicyandiamide, anhydrides. Cov ntawv thov rau Ancamine K54 ua ib qho catalyst homopolymers rau epoxy resin suav nrog cov nplaum, hluav taws xob casting thiab impregnation, thiab cov khoom sib xyaw ua haujlwm siab.
Cov Khoom Siv TshuajCov kua tsis muaj xim los yog daj daj pob tshab. Nws yooj yim hlawv. Thaum qhov huv tshaj 96% (hloov mus ua amine), cov dej noo tsawg dua 0.10% (Karl-Fischer txoj kev), thiab cov xim yog 2-7 (Cardinal txoj kev), lub ntsiab lus kub yog li 250 ℃, 130-135kPa (Chemical book 5 ℃), qhov ceev sib piv yog 0.972-0.978 (20/4 ℃), thiab qhov ntsuas refractive yog 1.514. Lub ntsiab lus flash yog 110 ℃. Nws muaj ntxhiab ammonia. Insoluble hauv dej txias, me ntsis soluble hauv dej kub, soluble hauv cawv, benzene, acetone.
Cov Lus Txhais: Tris (dimethylaminomethyl) phenol, 2,4,6-; 2,4,6-TRI (DIMETHYLAMINOETHYL) PHENOL; a, a', a”-Tris (dimethylamino) mesitol; ProChemicalbooktexNX3; TAP (aminophenol); VersamineEH30; Tris- (dimethylaminemethyl) phenol; 2,4,6-TRIS (DIMETHYLAMINO-METHYL) PHENOLPRACT.
CAS: 90-72-2
EC No.:202-013-9
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Chaw Tsim Khoom Zoo Tus Nqi Xanthan Gum Qib Kev Lag Luam CAS: 11138-66-2
Xanthan gum, tseem hu ua Hanseonggum, yog ib hom microbial exopolysaccharide uas tsim los ntawm Xanthomnas campestris nrog carbohydrate ua cov khoom siv tseem ceeb (xws li hmoov txhuv nplej siab) los ntawm kev fermentation engineering. Nws muaj rheology tshwj xeeb, solubility dej zoo, ruaj khov rau cua sov thiab acid puag, thiab muaj kev sib raug zoo nrog ntau yam ntsev. Ua tus neeg sawv cev thickening, suspension agent, emulsifier, stabilizer, tuaj yeem siv dav hauv zaub mov, roj av, tshuaj thiab lwm yam ntau dua 20 kev lag luam, tam sim no yog lub ntiaj teb qhov loj tshaj plaws ntawm kev tsim khoom thiab siv dav heev microbial polysaccharide.
Xanthan gum yog hmoov daj dawb dawb uas txav tau, me ntsis tsw ntxhiab. Yaj tau hauv dej txias thiab dej kub, cov kua nruab nrab, tiv taus khov thiab yaj, tsis yaj hauv ethanol. Dej dispersion, emulsification rau hauv cov hydrophilic viscous colloid ruaj khov.
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Chaw Tsim Khoom Zoo Nqe CAB-35 Cocamido propyl betaine CAS: 61789-40-0
Cocamidopropyl betaine (CAPB) yog ib qho amphoteric surfactant. Tus cwj pwm tshwj xeeb ntawm amphoterics yog cuam tshuam nrog lawv tus cwj pwm zwitterionic; qhov ntawd txhais tau tias: ob qho tib si anionic thiab cationic qauv pom muaj nyob rau hauv ib lub molecule.
Cov Khoom Siv Tshuaj: Cocamidopropyl Betaine (CAB) yog ib qho organic compound uas tau los ntawm cov roj txiv maj phaub thiab dimethylaminopropylamine. Nws yog ib qho zwitterion, uas muaj ob qho tib si quaternary ammonium cation thiab carboxylate. CAB muaj nyob rau hauv cov kua daj daj uas siv ua surfactant hauv cov khoom siv tu tus kheej.
Cov Lus Txhais: NAXAINE C; NAXAINE CO; Lonzaine (R) C; Lonzaine (R) CO; Propanaminium, 3-amino-N-(carboxymethyl)-N, N-dimethyl-, N-coco acyl deriv; RALUFON 414; 1-PropanaMiniuM, 3-aMino-N-(carboxyMethyl)-N, N-diMethyl; 1-Propanaminium, 3-amino-N-(carboxymethyl)-N, N-dimethyl-, N-coco acyl derivs., hydroxides, cov ntsev sab hauv
CAS:61789-40-0
EC No.: 263-058-8
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Chaw Tsim Khoom Zoo Nqe CALCIUM CHLORIDE CAS: 10043-52-4
Calcium Chloride (CaCl2) yog ib qho siv lead ua ionic uas yaj tau hauv dej nrog kev hloov pauv enthalpy siab ntawm cov kua. Nws feem ntau yog los ntawm limestone thiab yog ib qho khoom lag luam ntawm Solvay txheej txheem. Nws yog ib qho ntsev anhydrous uas muaj qhov xwm txheej hygroscopic thiab tuaj yeem siv ua desiccant.
Cov Khoom Siv Tshuaj: Calcium chloride, CaC12, yog cov khoom tsis muaj xim uas yaj tau hauv dej thiab ethanol. Nws yog tsim los ntawm kev sib xyaw ntawm calcium carbonate thiab hydrochloric acid lossis calcium hydroxide thiab ammonium chloride. Nws yog siv rau hauv tshuaj, ua tshuaj antifreeze, thiab ua coagulant.
Synonym: PELADOW(R) SNOW THIAB ICE MELT; Calcium chloride, aqueous solution; Calcium chloride, medicinal; Additive Screening Solution 21/Fluka kit no 78374, Calcium chloride solution; calcium chloride anhydrus rau kev siv tshuab; calcium chloride anhydrous rau zaub mov; CACL2 (CALCIUM CHLORIDE); CalciumM chloride, 96%, rau biocheMistry, anhydrous
CAS:10043-52-4
EC No.:233-140-8
