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Chaw Tsim Khoom Zoo Tus Nqi Sodium fluoride CAS: 7681-49-4
Sodium fluoride: NaF; SF; Inorganic Fluoride; Molecular Luj: 41.99 Lub cev thiab tshuaj lom neeg: Tsis muaj xim siv lead ua ci lossis hmoov dawb, qhov hnyav tshwj xeeb 2.25, qhov taw tes yaj 993C qhov kub npau 1695C. Yaj hauv dej (solubility 10C366,206 406,300422,40C 4.4.60C468.80-C4.89,100 "C508), hydrogen xib fwb acid, me ntsis yaj hauv cawv. Cov kua dej yog alkaline tsis muaj zog, yaj hauv hydrofluoric acid thiab rau hauv sodium fluoride, tuaj yeem corrode iav. Tshuaj lom!.
Sodium fluoride CAS 7681-49-4 NaF; SF; Inorganic Fluoride; UN NO 1690; Qib txaus ntshai: 6.1
EINECS TSIS MUAJ 231-667-8
Lub Npe Khoom: Sodium fluorideCAS: 7681-49-4
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Chaw Tsim Khoom Zoo Nqe Phosphorous Acid CAS: 13598-36-2
Cov kua qaub phosphorous yog ib qho nruab nrab hauv kev npaj lwm cov tshuaj phosphorous. Cov kua qaub phosphorous yog cov khoom siv raw los npaj cov phosphonates rau kev kho dej xws li kev tswj hlau thiab manganese, kev txwv tsis pub muaj nplai thiab tshem tawm, kev tswj xeb thiab kev ruaj khov chlorine. Cov ntsev alkali hlau (phosphites) ntawm cov kua qaub phosphorous tau muag dav dav ua cov tshuaj tua kab mob ua liaj ua teb (piv txwv li Downy Mildew) lossis ua qhov chaw zoo dua ntawm cov khoom noj khoom haus phosphorous. Cov kua qaub phosphorous yog siv rau hauv kev ruaj khov cov khoom sib xyaw rau cov khoom siv yas. Cov kua qaub phosphorous yog siv rau kev tiv thaiv qhov kub siab ntawm cov hlau uas yooj yim xeb thiab los tsim cov roj nplua nyeem thiab cov khoom ntxiv roj nplua nyeem.
CAS: 13598-36-2
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Chaw Tsim Khoom Zoo Nqe Aniline CAS: 62-53-3
Aniline yog cov amine aromatic yooj yim tshaj plaws, benzene molecule hauv hydrogen atom rau cov amino pawg ntawm cov tshuaj tsim, roj tsis muaj xim flammable kua, tsw muaj zog. Lub melting point yog -6.3 ℃, lub boiling point yog 184 ℃, qhov ceev yog 1.0217 (20/4 ℃), qhov refractive index yog 1.5863, lub flash point (qhib khob) yog 70 ℃, lub spontaneous combustion point yog 770 ℃, qhov decomposition yog rhuab mus rau 370 ℃, me ntsis soluble hauv dej, yooj yim soluble hauv ethanol, ether, chloroform thiab lwm yam organic solvents. Hloov xim av thaum raug cua lossis tshav ntuj. Muaj chav distillation, distillation ntxiv me ntsis zinc hmoov kom tiv thaiv oxidation. 10 ~ 15ppm NaBH4 tuaj yeem ntxiv rau aniline purified kom tiv thaiv oxidation deterioration. Aniline kua yog yooj yim, thiab acid yog yooj yim rau tsim ntsev. Cov hydrogen atom ntawm nws cov amino pawg tuaj yeem hloov los ntawm hydrocarbon lossis acyl pawg los tsim cov anilines theem nrab lossis theem peb thiab acyl anilines. Thaum qhov kev hloov pauv tau ua tiav, cov khoom sib ze thiab para-substituted feem ntau yog tsim. Kev sib xyaw nrog nitrite ua rau cov ntsev diazo uas ua rau muaj cov benzene derivatives thiab azo compounds.
CAS: 62-53-3
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Chaw Tsim Khoom Zoo Nqe Omega 3 hmoov CAS: 308081-97-2
OMEGA-3, tseem hu ua ω-3, Ω-3, w-3, n-3. Muaj peb hom ω-3 fatty acids tseem ceeb. Cov fatty acids tseem ceeb ω3 suav nrog α-linolenic acid, eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), uas yog polyunsaturated fatty acids.
Pom muaj nyob rau hauv Antarctic krill, cov ntses hauv dej hiav txwv tob thiab qee cov nroj tsuag, nws muaj txiaj ntsig zoo rau tib neeg txoj kev noj qab haus huv. Chemically, OMEGA-3 yog ib txoj saw ntev ntawm cov carbon thiab hydrogen atoms txuas ua ke (ntau dua 18 carbon atoms) nrog peb mus rau rau unsaturated bonds (double bonds). Nws hu ua OMEGA 3 vim nws thawj unsaturated bond nyob rau ntawm carbon atom thib peb ntawm methyl kawg.CAS: 308081-97-2
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Chaw Tsim Khoom Zoo Nqe Aluminosilicate Cenosphere CAS: 66402-68-4
Kev ua tau zoo ntawm lub cev:
Cov tshauv ya yog cov khib nyiab khov uas tso tawm los ntawm cov chaw tsim hluav taws xob uas siv thee. Aluminosilicate Cenosphere yog cov hlaws khoob uas rho tawm los ntawm cov tshauv ya, suav txog li 1% ~ 3% ntawm tag nrho cov tshauv ya.
Cov yam ntxwv:
Qhov poob ntawm cov hlaws dai ntab hauv cov kua qaub-raws li muaj zog xws li 10% hydrochloric acid, sulfuric acid, nitric acid thiab potassium hydroxide rau 24 teev yog 1.07% ~ 2.15%, thiab 11.58% hauv 1% hydrofluoric acid. Yog li ntawd, cov hlaws dai ntab muaj zog tiv taus corrosion rau cov kua qaub thiab cov hauv paus muaj zog dav dav, yog li lawv tuaj yeem siv rau hauv cov haujlwm tshwj xeeb nrog cov kev xav tau siab rau kev tiv taus acid-raws li (tshwj tsis yog hydrofluoric acid).CAS: 66402-68-4
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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
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Chaw Tsim Khoom Zoo Tus Nqi Potassium Phosphate (Dibasic) CAS: 7758-11-4
Dipotassium phosphate (K2HPO4) yog ib qho chaw muaj phosphorus thiab potassium, uas feem ntau siv ua chiv. Dipotassium phosphate kuj tseem siv dav hauv kev lag luam khoom noj, xws li cov khoom noj khoom haus ntxiv thiab electrolyte replenishment rau kev cob qhia ntxiv. Lwm qhov kev siv ntawm dipotassium phosphate yog ua tshuaj, uas ua haujlwm ua diuretic lossis laxative. Dhau li ntawm qhov ntawd, Dipotassium phosphate yog siv rau hauv kev tsim cov mis nyuj ua kom tsis txhob coagulation thiab siv rau hauv qee cov hmoov los npaj dej haus. Tsis tas li ntawd, Dipotassium phosphate feem ntau pom hauv cov chaw soj nstuam tshuaj rau kev tsim cov tshuaj buffer thiab trypticase soy agar uas yog siv los ua agar phaj rau kev cog cov kab mob.
CAS: 7758-11-4
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Chaw Tsim Khoom Zoo Tus Nqi Ua Ke Polyether CAS: 9082-00-2
Polyether sib xyaw ua ke yog ib qho ntawm cov khoom siv tseem ceeb ntawm polyurethane tawv npuas, tseem hu ua cov khoom dawb, thiab hu ua cov khoom dub dawb nrog polymer MDI. Nws yog tsim los ntawm ntau yam khoom xws li polyether, tus neeg sawv cev foaming sib xws, tus neeg sawv cev txuas, catalyst, tus neeg sawv cev foaming thiab lwm yam khoom. Nws yog qhov tsim nyog rau ntau lub sijhawm uas xav tau khaws cov rwb thaiv tsev thiab khaws cia cov khoom txias thiab txias.
Ua ke polyether CAS: 9082-00-2
Series: Ua ke polyether 109C / Ua ke polyether 3126 / Ua ke polyether 8079CAS: 9082-00-2
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Chaw Tsim Khoom Zoo Tus Nqi Resveratrol 50% CAS: 501-36-0
Resveratrol yog ib yam tshuaj antioxidant ntuj uas tuaj yeem txo cov ntshav viscosity, tiv thaiv platelet condensation thiab cov hlab ntsha, thiab ua kom cov ntshav tsis txhob txhaws. Resveratrol tuaj yeem tiv thaiv qhov tshwm sim thiab kev loj hlob ntawm mob qog noj ntshav. Kev tiv thaiv thiab kho mob plawv, hyperlipidemia. Lub luag haujlwm ntawm kev tiv thaiv cov qog nqaij hlav kuj muaj cov teebmeem zoo li estrogen, uas tuaj yeem siv los kho cov kab mob xws li mob qog noj ntshav mis ChemicalBook. Resveratrol tuaj yeem ncua kev laus thiab tiv thaiv mob qog noj ntshav. Resveratrol muaj cov ntsiab lus siab hauv daim tawv nqaij liab txiv hmab, cawv liab thiab kua txiv hmab. Kev tshawb fawb tau qhia tias kev ncaj ncees ntawm cov chromosomes yuav raug rhuav tshem nrog kev laus ntawm tib neeg, thiab resveratrol tuaj yeem ua kom muaj protein Sirtuin uas kho cov chromosome kev noj qab haus huv, yog li ncua kev laus.
Cov khoom siv tshuaj lom neeg: tsis muaj saj, hmoov dawb, yaj tag hauv ethanol.
CAS: 501-36-0
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Chaw Tsim Khoom Zoo Nqe Melamine CAS: 108-78-1
Melamine-formaldehyde resin (MFR) yog ib yam khoom xyaw nquag ntawm cov plasters muaj zog (muaj zog). Kev ua xua tau tshaj tawm hauv tus kws kho mob hauv chav plaster, uas tau siv cov pIaster uas muaj zog, thiab hauv cov kws kho hniav. Melamine tau muaj nyob rau hauv cov pIaster muaj zog uas siv rau pwm. Siv ua cov ntaub tiav, Melamine kuj tau pom tias yog ib qho ua xua rau cov poj niam uas hloov khaub ncaws hauv khw. Melamine kuj tso tawm formaldehyde, uas tej zaum yuav yog qhov ua rau khaus.
CAS: 108-78-1
