Shaanxi Bloom Tech Co., Ltd. yog ib qho ntawm cov neeg tsim khoom thiab cov khoom lag luam ntawm Eriochrome dub CAS 1787-61-7 hauv Suav teb. Txais tos rau kev lag luam wholesale loj zoo eriochrome dub CAS 1787-61-7 rau muag ntawm no los ntawm peb lub hoobkas. Cov kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Eriochrome dub tyog cov organic sib txuas nrog cov molecular cov mis c20h12n3Nono, 7s, CAS 1787-61-7. Nws yog hmoov dub, soluble hauv dej, thiab yog jujube liab mus rau oar liab; Me ntsis soluble hauv cawv thiab brownish magenta; Me ntsis soluble hauv acetone. Tsaus xiav nyob rau hauv concentrated sulfuric acid, lub teeb liab liab xim av tom qab dilution; Nws yog txiv kab ntxwv daj nyob rau hauv concentrated nitric acid. Nws cov kua aqueous thiab concentrated fydrochloric acid tsis muaj qhov hloov pauv tseem ceeb; Ntxiv concentrated sodium hydroxide tov kom tig xim av thiab magenta. Lub solubility hauv dej (90 degree) yog 25g / l. Thaum tawg nrog tooj liab thiab hlau, lub teeb xim muaj qhov cuam tshuam zoo. Nws yog tsuas yog siv rau dyeing thiab luam ntawv wool textiles, ntxiv rau nteg, nylon thiab lwm cov ntawv nyeem, thiab plaub hau. Cov khoom ntshiab tuaj yeem siv ua qhov ntsuas. Nws yog siv los ua tus taw qhia hlau rau kev txiav txim siab ntawm kev txiav txim siab ntawm kev txiav txim siab ntawm kev txiav txim siab ntawm kev txiav txim siab ntawm Ba {}}, zn2+ Thiab tsis tshua muaj ntiaj teb los ntawm Edta cov kev sib dhos. Nws tseem siv los ua tus tsim tawm rau kev txiav txim siab photometric ntawm cov hlau ions xws li co} {19 {20 {} {{}, thiab lwm yam.
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Tshuaj Cov Qauv |
C20h13n3N3N3N3NAs |
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Muaj pes tsawg leej |
462 |
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Molecular hnyav |
462 |
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m/z |
462 (100.0%), 463 (21.6%), 464 (4.5%), 464 |
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Kev Ntsuam Xyuas |
C, 51.95; H, 2.83; N, 9.09; Na, 4.97; Au, 24.22; S, 6.93 |
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Qeeb 1.109 G / ML ntawm 25℃C, Flash ntsiab lus 185 Degree C, Solubility C, Solubility 50645, Acidity coefficient (PKA) PK1: 6.3; PK2: 11.55 (25 degree), tsim cov hmoov av xim dub rau xim dub, tus nqi ua kom tsis sib xws li 1.10 (20)
Eriochrome dub tQhov taw qhia, tseem hu ua Mordant dub 11, yog tseem muaj electroless chrome dub t indicator dub t indicator dub t indicator dub t indicator dub t? Nws yog qhov qhia tau zoo rau kev txiav txim siab ntawm barium, cadmium, kab mob no, thiab lwm yam calcium, tag nrho cov calcium thiab cov qauv tshuaj tivthaiv dej. Thaum npaj Chrome Dub T qhia raws li lub huv si Lub txiaj ntsig tau qhia tau tseeb los ntawm cov dej coj los ua piv txwv thiab dej ntshiab. Qhov kev daws teeb meem tau tsaus xim liab doog, thiab tsis muaj kev hloov pauv ntawm cov xim ntawm lub qhov taw tes kawg.
Synthetic Chrome Dub T:
1. Cov khoom tau npaj los ntawm txuas txuas nrog txuas 6- naphy-acid (piv txwv li}} Cov khoom sab nraud ntawm cov khoom dub xim av zoo ib yam li cov txheej txheem (cov ntsiab lus xiav Raws li tus qauv (lub hnub nrawm yog qeb 7, cov dej kas fes, awning, qhuav huv si, thiab lwm yam dej kom qhuav yog qib 3-4). Cov Khoom Siv Raw Khoom Noj (KG / T) 6-Nitro-1,2,4-oxomethoate (100%) 255 Fydrochloric acid (31%) 675 Refined ntsev 450.
2. Daj 1-amino-2-sulfonic acid hauv crystalline tooj liab, thiab ntxiv cov tshuaj tsw qab rau crystaltization, thiab ntxiv cov tshuaj tiv thaiv bictalcate, thiab ntxiv cov tshuaj tiv thaiv no, thiab ntxiv cov tshuaj tiv thaiv kab mob diazotization, thiab ntxiv cov tshuaj tiv thaiv brystizate, thiab ntxiv cov tshuaj tiv thaiv butter rau hauv cov tshuaj tiv thaiv diazonium ntsev:
Qhov npaj Diazonium ntsev yog yaj nrog concentrated sulfuric acid, thiab sib xyaw acid yog ntxiv rau nitration. Qhov kub yog tswj hwm qis dua 10 degree:
Tom qab nitrication, ncuav cov tshuaj tiv thaiv kev daws rau hauv dej khov, thiab ntxuav cov nag los nrog ntsev dej tom qab muab tshuaj kom txog thaum nws tsim nyog. Tom qab ntawd ntxiv ua ntej npaj 1-naphthol sodium tov rau ntawm cov khoom nitrated, do rau 5 teev, thiab tom qab ntawd ntxiv acetic acid rau neutralization xav tau:
Tom qab cov tshuaj tiv thaiv, lub crystallization yog txias ib txwm muaj, ntxuav nrog dej distilled thiab qhuav.
Eriochrome dub t(EBT), raws li ib lub classic orgo organic compound, plays ib qho kev lag luam irreplacleable hauv kev lag luam science, ib txwm saib xyuas thiab lwm thaj chaw ib puag ncig thiab lwm thaj chaw ib puag ncig thiab cov khoom siv thoob plaws. Nws cov molecular mis yog c20th12n3N3N3N3N3Non, nrog molecular hnyav ntawm 461.38. Nws zoo li xim av dub hmoov, yooj yim soluble hauv dej thiab ethanol, thiab me ntsis soluble hauv acetone.
Qhov zoo tshaj plaws {-}}}}}} edricated lub tortpator, tshwj xeeb yog nyob rau hauv tus kav dej sib txawv, tshwj xeeb yog "tus kav"
1. Kev txiav txim siab ntawm cov dej ua tau zoo: "Cov neeg saib xyuas zoo" los ntawm cov dej haus kom muaj dej ncig
Lub hardness ntawm dej zoo (tag nrho cov nyiaj calcium thiab magnesium iS) yog qhov taw qhia tseem ceeb rau kev ntsuas dej zoo. Hauv kev daws teeb meem tsis txaus nrog pH 8-10, nws zoo li xiav thiab tsim cov nyom liab nrog calcium thiab magnesium thiab magnesium. Thaum Edta muaj nyob rau qhov kawg, cov hlau ions yog tag nrho cov nyom, thiab kev daws teeb meem hloov pauv, thiab qhov yuam kev tuaj yeem tswj tau hauv ± 0.1%.
Piv txwv li, hauv kev sim tshuaj, ib 0.1% chromium dub t {}}}} (correlation coefficient r}), uas yog Siv tau rau cov calcium ntau yam ntawm 0-10 μ g / ml.
Lub hardness saib ntawm kev lag luam ncig dej kuj ua lub luag haujlwm tseem ceeb. Piv txwv li, tus nqi benchmark rau hardness kev tswj hwm ntawm kev ncig dej hauv ib qho tshuaj lom neeg tshuaj yog 500mg / l. By preparing indicators containing EDTA (3.7-7.5%), borax (0.45-0.48%), and chrome black T (0.05-0.2%), 100mL of water sample can be taken and 10mL of indicator can be added to quickly determine whether it exceeds the standard. Lub lag luam yog qhov yooj yim thiab cov txiaj ntsig yog kev ntseeg siab.
2. Kev Tshawb Fawb Txog Kev Tshawb Fawb Hlau ion Cov Hlau ion: Kev Ntsuam Xyuas Kev Ntsuam Xyuas los ntawm LW CANCE rau Cov Hlau Hnyav
Tsis tsuas yog tsim nyog rau kev kuaj xyuas calcium thiab cov magnesium, tab sis kuj yog rau kev txiav txim siab cov kab tseem ceeb xws li cobalt thiab npib tsib xee los ntawm spectrophotometry. Piv txwv li, hauv kev kuaj pom ntawm cov kab tsib ntawm cov kab mob uas muaj kab tsib, thiab kev nqus cov kab mob npib tsib xee, thiab cov kev ntsuas kom tsawg li 0.01mg / l. Rau cov hlau hnyav xws li cadmium, txhuas, thiab chromium dub t, lawv kuj nthuav tawm qhov siab siab. Nyob rau hauv PH9-10 cov xwm txheej, cov mob Molar ua tiav ntawm cov complex tuaj yeem ncav qhov kev txiav txim ntawm 10 ⁴ l / (molm 2012.
Txawm li cas los xij, chrome dub t tsis yog "tus yawm sij". Cov complex tsim nruab nrab ntawm nws thiab fi ⁺, al ³ ⁺, cu ², cu ⁺, ua rau Edta tsis tuaj yeem hloov pauv thiab ua rau "qhov tshwm sim" thaiv kev ". Piv txwv li, hauv cov hom phiaj ion, yog tias tus qauv muaj fe ³ ⁺ impurities, lub endpoint xim hloov pauv lossis ua rau tawg. Yog li ntawd, hauv kev siv cov ntawv thov, cuam tshuam yuav tsum tau tshem tawm los ntawm preprocessing (xws li ntxiv masking tus neeg sawv cev potassium cyanide).
Azo qauv ntawm Chrome Dub T tawm nws nrog kev zas xim tom qab. Nyob rau hauv dyeing ntawm textiles xws li wool, lates, thiab nylon, nws tsis yog "xim wizard", tab sis kuj tseem tuaj yeem ua haujlwm los ntawm kev hloov tshuaj lom neeg.
1. Tsoos Dyeing Txheej Txheem: "Daim Npav Xim Xim" rau ntaub plaub thiab nylon
Eriochrome dub tMuaj ib qho kev sib raug zoo rau cov ntaub plaub thiab muaj peev xwm tsim cov xim tsaus nti hauv qab cov teeb meem acidic (Ph 4-6), nrog ib tus qauv xim ntawm 4-5 qib (txheej txheem thoob ntiaj teb). Piv txwv li, nyob rau hauv dyeing ntawm Australian mestin Merino Tsiaj, Chromium Dub t yog ke nrog sorium sulfate thiab kho ntawm 90 feeb kom tau txais cov khaub ncaws dub dub. Cov xim ceev ceev kom ntxuav tau tseem tshaj li 90% tom qab 5 ntxuav.
Rau Cov Khaub Ncaws Nylon, Chrome Dub t yuav tsum tau siv nyob rau hauv Alkaline tej yam kev mob (Ph 8-9) kom ua tiav dyeing los ntawm cov amino pawg ntawm cov fibers.
Cov "Eco tsos" txheej txheem tsim los ntawm Japanese Companor Toray siv kev sib xyaw ntawm Chrome Dub T thiab citric acid rau ntawm 120 degree. Tsis tsuas yog nws ua tiav qhov xim ceev ntawm 3-4 qib, tab sis nws tseem yuav txo tus lej cod tus nqi ntawm cov dej tsis muaj txiaj ntsig los ntawm kev tiv thaiv ib puag ncig.
2. Kev hloov kho ua haujlwm: "Txiav - ntug kev tshawb nrhiav" los ntawm kev tiv thaiv mus rau cov lus teb ntse
Nyob rau hauv xyoo tsis ntev los no, Chrome dub t tau siv los npaj cov ntawv ntim ua haujlwm. Piv txwv li, los ntawm kev sib txuas ua ke chrome dub t nrog nyiaj ions, cov ntaub thaiv cov nplaim dej yuav tuaj yeem npaj tau. Qhov kev sim ua tau pom tias cov ntaub plaub tsiaj muaj 0.5% chromium dub t {} Cov nyiaj tawm tsam Escherichia coli, thiab tseem nyob siab dua 90% tom qab 50 lub tshuab ntxhua. Tsis tas li ntawd, Chrome Dub t kuj tseem siv tau rau kev npaj ntawm cov duab yees duab. Los ntawm copolymerizing nrog speopyran compounds, totheronic turniles tuaj yeem tsim tau tias hloov pauv ntawm ultraviolet teeb, uas tuaj yeem siv rau anti- kev tsim khoom thiab tsim qauv.
Cov tshuaj ruaj khov thiab chelating muaj peev xwm ntawm chromium dub t ua nws tsis sib xws nyob hauv cov ntaub ntawv kev tshawb fawb, tshwj xeeb yog cov tshuab ntsuas hluav taws xob cais.
1. Tus lej kev tshawb xyuas ntawm tooj liab magnesium alloys: "Qhov" Golden Qhov Muag "Ntawm Kev Lag Luam Zoo Soj Ntsuam
Hauv lub teb chaws aerospace, magnesium cais tawm hauv tooj liab magnesium alloys tuaj yeem ua rau cov khoom tsis muaj peev xwm ua tau. Cov hau kev kuaj pom ib txwm muaj, xws li kev tsom xam thiab lub sijhawm {{{1}-}}}}}}} Kev daws dub t alkaline dolid tuaj yeem kuaj pom sai sai. Kev ua haujlwm tshwj xeeb: Soak lub alkaline daws tau cov ntawv dub t hauv cov ntawv lim, thiab hnov mob ib ncig ntawm cov alloy, thiab hnov nrog qhov ntsuas tau los ua cov ntshav liab. Cov xim qhov tob ntawm cov thaj chaw sib cais yog sib npaug rau cov ntsiab lus magnesium.
Tom qab thov cov thev naus laus zis no, ib qho kev lag luam aviation txo qis los ntawm 2 teev mus rau 10 feeb thiab txo tus nqi los ntawm 70%.
2. Electrochnical sensors: rhiab kav hlau txais xov los ntawm nitrite rau dopamine
Cov kev ua tau zoo ntawm electrochemical sensors tuaj yeem hloov kho los ntawm kev hloov kho cov tshuaj elemify. Piv txwv li, los ntawm kev sib txuas roj chromium dub t nrog polyethylene glycol thiab mippifying glycol thiab mippifying nws nyob rau saum npoo ntawm lub khob iav electrode, nitrite tuaj yeem kuaj pom. Hauv 0.1m phosphate buffer daws (pH 7), lub ncov tam sim no ntawm cov kev sib raug zoo ntawm 0.1-10 μ m, nws kuj tseem siv tau rau kev tshawb nrhiav dopamine. Los ntawm compound nrog chitosan, lub sij hawm teb ntawm kev hloov electrode rau dopamine yog luv rau 5 vib nas this, thiab kev xaiv tau zoo dua li ntawm ascorbic acid thiab uric acid.
Nws ib puag ncig kev phooj ywg thiab biocompatibility ua rau nws siv tau nyob rau hauv ib daim teb ntawm ib puag ncig ib puag ncig ib puag ncig thiab saib xyuas kom tau them rau nws cov dej pab toxicity (mob aquatic toxicity qeb 2).
1. Kev ceeb toom cov pa kom zoo nkauj: "Sentinel thaum ntxov" ntawm cov hlau hnyav
Yuav siv tau rau kev soj ntsuam sai sai ntawm cov hlau muaj kuab paug hnyav hauv lub cev dej. Piv txwv li, hauv dej kom pom kom pom, cov chromium dub t ion ion confta system yog siv los txiav txim siab ntau ntawm 0.1-10mg / u thiab ib tus nqi rov qab ntawm 95-102%. Txog rau npib ob plab, compounding nrog dimethylglyoxime tuaj yeem txhim kho kev xaiv thiab zam kev cuam tshuam los ntawm tooj liab thiab hlau.
2. Biochemical tsom xam: ib qho khoom siv tshwm sim rau kev txiav txim siab protein
Yuav siv tau los ua resonance lub teeb scattering sojntsuam cov kev sojntsuam los txiav txim cov proteins. Nyob rau hauv Britton Robinson tsis daws nyob rau hauv pH 2.5, Proteins daim ntawv ua ke nrog cov khoom siv hluav taws xob tawg, ua rau muaj kev cuam tshuam loj hauv lub teeb pom kev zoo li 0.05 μ g / ml. Txoj kev no yooj yim rau kev ua haujlwm thiab haum rau kev kuaj ntsuas roj xws li ntshav thiab zis.
Los ntawm cov kev tsom xam ntawm cov chaw ua si hauv chav kuaj kom txias cov txheej txheem rau cov chaw ua haujlwm ib puag ncig, nws tau dhau los ua cov khoom siv tshuaj xyuas ib puag ncig, nws tau dhau los ua cov khoom siv tshuaj xyuas ib puag ncig, nws tau dhau los ua cov khoom siv tshuaj lom ib puag ncig thiab cov khoom siv tshwj xeeb thiab cov khoom siv thoob plaws. Yav tom ntej, nrog kev nce qib ntawm cov ntaub ntawv kev tshawb fawb thiab kev siv zaub ntsuab,Eriochrome dub tYuav ntseeg tau ua qhia tau tias nws "ntau yam" ntxim nyiam "ntau yam hauv cov teb ntau thiab ua rau muaj kev loj hlob ntawm tib neeg lub zej zog.
Cim npe nrov: ErioCrome Dub CAS 1787-61-7, cov neeg muag khoom, chaw tsim khoom, Hoobkas, lag luam Wholesale, yuav, nqe, loj, loj, rau muag