-
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
-
Chaw Tsim Khoom Zoo Tus Nqi FORMIC ACID 85% CAS: 64-18-6
Formic acid yog ib yam kua ntshiab, tsis muaj xim thiab muaj ntxhiab tsw qab. Formic acid thawj zaug tau rho tawm ntawm qee cov ntsaum thiab tau muab lub npe los ntawm Latin formica, txhais tau tias ntsaum. Nws yog tsim los ntawm kev ua ntawm sulfuric acid rau ntawm sodium formate, uas yog tsim los ntawm carbon monoxide thiab sodium hydroxide. Nws kuj tseem tsim tawm ua cov khoom lag luam hauv kev tsim cov tshuaj lom neeg xws li acetic acid.
Nws tuaj yeem kwv yees tau tias kev siv cov kua qaub formic yuav nce ntxiv tas li thaum nws hloov cov kua qaub inorganic thiab muaj lub luag haujlwm hauv kev siv tshuab hluav taws xob tshiab. Kev lom ntawm cov kua qaub formic yog qhov txaus siab tshwj xeeb vim tias cov kua qaub yog cov tshuaj lom metabolite ntawm methanol.Cov Khoom: FORMIC ACID yog cov kua tsis muaj xim nrog lub ntxhiab tsw qab. Nws yog ib qho tshuaj lom neeg ruaj khov, yooj yim hlawv, thiab hygroscopic. Nws tsis sib haum nrog H2SO4, cov caustics muaj zog, furfuryl cawv, hydrogen peroxide, cov tshuaj oxidizers muaj zog, thiab cov hauv paus thiab reacts nrog kev tawg loj thaum kov cov neeg sawv cev oxidizing.
Vim yog pawg −CHO, Formic acid muab qee yam ntawm tus cwj pwm ntawm aldehyde. Nws tuaj yeem tsim ntsev thiab ester; tuaj yeem ua rau muaj kev cuam tshuam nrog amine los ua amide thiab los tsim ester los ntawm kev ntxiv kev cuam tshuam nrog unsaturated hydrocarbon ntxiv. Nws tuaj yeem txo cov tshuaj ammonia nyiaj kom tsim tau daim iav nyiaj, thiab ua rau cov tshuaj potassium permanganate ploj mus, uas tuaj yeem siv rau kev txheeb xyuas cov tshuaj formic acid zoo.
Ua ib qho carboxylic acid, formic acid feem ntau muaj cov khoom siv tshuaj lom neeg zoo ib yam hauv kev cuam tshuam nrog alkalis los tsim cov dej soluble formate. Tab sis formic acid tsis yog ib qho carboxylic acid ib txwm muaj vim nws tuaj yeem cuam tshuam nrog alkenes los tsim cov formate esters.Synonyms: Acide formique; Acideformique; Acideformique (Fabkis); Acid formico; Acidoformico; Ntxiv-F; Kwas metaniowy; kwasmetaniowy
CAS:64-18-6
EC No.: 200-579-1
-
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
-
Chaw Tsim Khoom Zoo Tus Nqi Sodium metabisulfite CAS: 7681-57-4
Sodium metabisulfite: (qib kev lag luam) Sodium metabisulfite (tshuaj mis: Na2S2O5) zoo li cov khoom dawb crystalline lossis hmoov khoom nrog me ntsis tsw sulfur. Nws yog lom thaum nqus pa thiab tuaj yeem ua rau khaus tawv nqaij thiab cov ntaub so ntswg. Nws tuaj yeem decomposed kom tso tawm cov pa lom oxide ntawm sulfur thiab sodium thaum kub siab. Nws tuaj yeem sib xyaw nrog dej los ua cov kua qaub corrosive. Nws feem ntau yog siv ua tshuaj tua kab mob, antioxidant, thiab preservative agent nrog rau cov tshuaj reagent hauv chav kuaj. Ua ib hom khoom noj khoom haus ntxiv, nws tuaj yeem siv ua preservative thiab antioxidant hauv zaub mov. Nws kuj tuaj yeem siv rau kev ua cawv thiab npias. Ntxiv mus, nws tuaj yeem siv los ntxuav cov khoom siv ntawm homebrew thiab winemaking ua tus neeg sawv cev ntxuav. Nws kuj muaj ntau yam kev siv lwm yam, piv txwv li siv rau kev thaij duab, ua cov khoom siv hauv qee cov ntsiav tshuaj, rau kev kho dej, ua qhov chaw ntawm SO2 hauv cawv, ua cov kab mob thiab ua cov tshuaj bleaching nrog rau tus neeg sawv cev txo qis. Nws tuaj yeem tsim los ntawm kev ua kom cov sodium bisulfite uas tau saturated nrog sulfur dioxide. Yuav tsum tau ceev faj tias sodium metabisulfite muaj qee yam teebmeem rau lub cev ua pa, qhov muag thiab daim tawv nqaij. Yog tias mob hnyav, nws tuaj yeem ua rau ua pa nyuaj thiab ua rau lub ntsws puas tsuaj uas thaum kawg ua rau tuag. Yog li ntawd, yuav tsum muaj kev tiv thaiv zoo thiab kev saib xyuas thaum lub sijhawm phais.
Sodium metabisulfite CAS 7681-57-4
Lub Npe Khoom: Sodium metabisulfiteCAS: 7681-57-4
-
Chaw Tsim Khoom Zoo Nqe Titanium Dioxide CAS: 1317-80-2
Titanium dioxide (lossis TIO2) yog cov xim dawb siv ntau tshaj plaws hauv kev lag luam, uas yog siv rau hauv kev tsim kho, kev lag luam thiab kev kho tsheb; rooj tog, khoom siv hluav taws xob, cov hlua yas thiab cov thawv yas siv; Ntxiv rau cov khoom tshwj xeeb xws li kua mem, roj hmab, tawv thiab lub cev elastic.
Cov titanium dioxide noj tau, hu ua cov xim dawb, tsis muaj tshuaj lom thiab tsis muaj saj. Hmoov nplej, dej haus, nqaij pob, ntses pob, cov khoom siv hauv dej, khoom qab zib, tshuaj ntsiav, jelly, qhiav, ntsiav tshuaj, lipstick, tshuaj txhuam hniav, cov khoom ua si rau menyuam yaus, khoom noj tsiaj thiab lwm yam khoom noj dawb.
Titanium Dioxide CAS: 1317-80-2
Lub Npe Khoom: Titanium Dioxide
Cov lus qhia tshwj xeeb: Titanium Dioxide R996; Titanium Dioxide R218; Titanium Dioxide TR92; Titanium Dioxide R908CAS: 1317-80-2
-
Chaw Tsim Khoom Zoo Nqe Glycine Zaub Mov Qib CAS: 56-40-6
Glycine: Cov pob zeb dawb monocrystalline lossis hexagonal, lossis hmoov crystalline. Tsis muaj ntxhiab, qab zib tshwj xeeb. Nws tuaj yeem so cov kua qaub thiab alkali saj, npog qhov iab ntawm kev ntxiv qab zib rau hauv cov zaub mov, thiab txhim kho qhov qab zib. Ntsug sib npaug 1.1607 melting point 248 ° C (tsim cov roj thiab decomposition). Nws yog ib qho qauv yooj yim hauv cov amino acid series thiab lub cev tib neeg tsis tsim nyog. Nws muaj cov pab pawg ua haujlwm acidic thiab alkaline hauv lub molecule. Nws yog ib qho electrolyte muaj zog hauv cov kua dej. , Yooj yim yaj hauv dej, yaj hauv dej: 25g / 100ml ntawm 25 ° C; 67.2g / 100ml ntawm 50 ° C. 25 ° C). Nyuaj heev rau yaj hauv ethanol (0.06g / 100g dej - tsis muaj ethanol). Yuav luag tsis yaj hauv cov kuab tshuaj xws li acetone thiab ether. React nrog hydrochloride los tsim cov ntsev hydrochloride.
Glycine zaub mov qib CAS: 56-40-6
Lub Npe Khoom: Glycine zaub mov qibCAS: 56-40-6
