Shaanxi BLOOM Tech Co., Ltd. yog ib tug ntawm cov uas paub txog manufacturers thiab lwm tus neeg ntawm poov tshuaj tetraphenylborate cas 3244-41-5 nyob rau hauv Suav teb. Zoo siab txais tos rau cov lag luam wholesale bulk zoo poov tshuaj tetraphenylborate cas 3244-41-5 rau muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Potassium tetraphenylborate, tseem hu ua tetraphenylborate (1-) poov tshuaj (1: 1) lossis tsuas yog K (BPh4), nthuav tawm cov khoom tshwj xeeb ntawm lub cev thiab tshuaj lom neeg. Nws muaj qhov hnyav molecular ntawm kwv yees li 358.33 thiab zoo li cov dawb crystalline khoom. Cov tshuaj no yog qhov tseem ceeb rau nws cov insolubility nyob rau hauv dej tab sis solubility nyob rau hauv acetone, ua rau nws ib tug tshwj xeeb poov tshuaj ntsev.Nyob rau hauv analytical chemistry, KTPB tau lees paub rau nws xaiv ntawm poov tshuaj ions. Qhov tshwj xeeb no tshwm sim los ntawm qhov muaj zog ion-pair tsim ntawm cov poov tshuaj ions thiab tetraphenylborate anion, uas ua rau muaj dej nag uas tsis muaj dej nyob hauv feem ntau cov kuab tshuaj organic thiab dej. Cov cuab yeej no tso cai rau cov rhiab heev thiab xaiv nrhiav tau ntawm cov poov tshuaj ions hauv cov matrices nyuaj, ua kom yooj yim rau kev txhim kho cov txheej txheem txheeb xyuas tseeb.
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| Tshuaj Formula | C24H20BK |
| Exact Mass | 358.13 |
| Molecular Luj | 358.33 |
| m/z | 358.13 (100.0%), 357.13 (24.8%), 359.13 (16.2%), 359.13 (9.7%), 360.13 (7.2%), 358.14 (5.6%), 359.13 (1.8%), 360.14 (1.7%), 361.13 (1.2%), 360.14 (1.1%) |
| Elemental Analysis | C, 80.45; H, 5.63; B, 3.02; K, 10.91 |
Vim nws qhov tshwj xeeb reactivity thiab insolubility yam ntxwv,poov tshuaj tetraphenylboratepom cov ntawv thov tsis yog hauv kev tshuaj ntsuam chemistry nkaus xwb tab sis kuj hauv kev tshawb fawb biochemical. Nws lub luag haujlwm hauv kev txheeb xyuas cov poov tshuaj ions thiab nws cov khoom solubility tshwj xeeb pab txhawb rau nws cov txiaj ntsig hauv ntau qhov chaw tshawb fawb thiab kev lag luam.
Potassium Content Detection thiab Potassium Speciation Analysis of Potassium-Bearing Minerals
Potassium{0}}cov khoom muaj txiaj ntsig (piv txwv li, potassium feldspar, biotite, phlogopite, vermiculite, thiab lwm yam) yog qhov tseem ceeb ntawm cov peev txheej potassium. PTB system (feem ntau siv nyob rau hauv daim ntawv ntawm sodium tetraphenylborate txoj kev) yog ib qho ntawm cov txheej txheem rau kev txiav txim siab ntxhia poov tshuaj cov ntsiab lus thiab tseem tuaj yeem siv los txheeb xyuas qhov muaj ntau ntawm cov poov tshuaj sib txawv hauv cov zaub mov.
Standard Detection Method
Rau kev tsom xam ntawm cov zaub mov xws li alunite thiab potassium cryolite, covpoov tshuaj tetraphenylboratetxoj kev gravimetric yog saws. Tom qab cov ntxhia yog pretreated los ntawm cov kua qaub dissolution, alkali fusion thiab lwm yam txheej txheem, lub pH yog hloov mus rau nruab nrab los yog weakly alkaline, thiab ntau tshaj sodium tetraphenylborate yog ntxiv rau daim ntawv PTB precipitates. Cov precipitates yog lim los ntawm G4 iav crucible, ntxuav, qhuav mus rau qhov hnyav tas li, thiab cov ntsiab lus ntawm cov poov tshuaj yog xam raws li qhov hnyav ntawm precipitate.
Txoj kev no muaj qhov tseeb txog li 0.01% thiab yog ib txoj kev tshawb nrhiav tseem ceeb uas tau teev tseg hauv cov qauv kev lag luam xws li HG/T 2957.7-2004.
Extraction thiab ntsuam xyuas ntawm Non{0}}Exchangeable Potassium
Rau cov txheej txheem poov tshuaj -cov khoom muaj txiaj ntsig xws li biotite thiab vermiculite, cov txheej txheem uas tsis yog - cov poov tshuaj pauv tau yog cov peev txheej potassium. Ib qho 0.2 mol / L sodium tetraphenylborate tov tuaj yeem tshem tawm cov uas tsis yog - pauv cov poov tshuaj hauv cov zaub mov uas tsis tuaj yeem pauv los ntawm ammonium ions los ntawm kev sib pauv thiab ion pauv. Qhov muaj cov ntxhia poov tshuaj tuaj yeem raug soj ntsuam los ntawm kev txiav txim siab cov nyiaj rho tawm, uas muab cov ntaub ntawv txhawb nqa rau kev tsim cov ntxhia potassium chiv.
Cov kev tshawb fawb tau pom tias qhov tso tawm ntawm qhov tsis yog{0}} pauv cov poov tshuaj los ntawm biotite hauv qhov system no tuaj yeem ncav cuag 5.99 mg / (kg·min) hauv 3 hnub, uas yog siab dua li ntawm cov poov tshuaj feldspar (0.17 mg / (kg·min)).
Txhim kho thiab rov qab cov peev txheej Potassium hauv Salt Lake Brine thiab Seawater
K⁺ concentration nyob rau hauv dej lub cev xws li ntsev pas dej brine thiab seawater yog tsawg, thiab K⁺ coexist nrog ib tug loj npaum li cas ntawm Na⁺ thiab Mg²⁺, ua rau muaj kev sib cais nyuaj. Txoj kev los nag los ntawm PTB muab txoj hauv kev ua tau zoo rau kev txhim kho ntawm qis -concentration potassium.
Txheej txheem txheej txheem
Lub brine yog thawj zaug pretreated kom tshem tawm cov hlau hnyav ions thiab tshem tawm impurities, thiab pH raug kho rau 8-10 kom tsis txhob cuam tshuam. NaBPh₄ yog ntxiv rau daim ntawv PTB precipitates, uas yog sib cais los ntawm centrifugation. Nto-adsorbed impurities raug tshem tawm los ntawm kev ntxuav cov kua qaub, thiab tom qab ntawd potassium chloride, potassium sulfate thiab lwm yam poov tshuaj ntsev rau kev ua liaj ua teb lossis kev lag luam tuaj yeem tsim los ntawm thermal decomposition lossis tshuaj hloov pauv. Txoj kev no tuaj yeem ua tiav tus nqi nce ntxiv ntawm ntau dua 95% rau K⁺ hauv ntsev pas dej brine nrog kev xaiv siab, daws tau cov teeb meem ntawm kev siv hluav taws xob siab thiab kev sib cais qis ntawm cov txheej txheem evaporation.
Daim ntawv thov pab hauv Seawater Potassium Extraction
Hauv cov txheej txheem sib cais lossis cov txheej txheem adsorption ntawm seawater potassium extraction, PTB tuaj yeem siv rau kev tshawb pom sai ntawm cov ntsiab lus ntawm cov poov tshuaj hauv cov khoom nruab nrab, tiag - lub sijhawm saib xyuas ntawm K⁺ concentration hloov thaum lub sij hawm cov txheej txheem potassium extraction, optimization ntawm cov txheej txheem tsis, thiab txhim kho cov poov tshuaj extraction efficiency.
Daim ntawv thov pab hauv Seawater Potassium Extraction
Hauv cov txheej txheem sib cais lossis cov txheej txheem adsorption ntawm seawater potassium extraction, PTB tuaj yeem siv rau kev tshawb pom sai ntawm cov ntsiab lus ntawm cov poov tshuaj hauv cov khoom nruab nrab, tiag - lub sijhawm saib xyuas ntawm K⁺ concentration hloov thaum lub sij hawm cov txheej txheem potassium extraction, optimization ntawm cov txheej txheem tsis, thiab txhim kho cov poov tshuaj extraction efficiency.
Mainstream Industrial Txheej Txheem: Sodium Tetraphenylborate Conversion Method
Cov txheej txheem no yog txoj hauv kev nyiam rau qhov loj - nplai ntau lawmpoov tshuaj tetraphenylboratehauv tsev thiab txawv teb chaws. Siv sodium tetraphenylborate ua tus thawj coj, nws ua tiav PTB kev npaj ntawm ob - kauj ruam txoj hauv kev, khav theeb zoo xws li kev ua haujlwm yooj yim, yooj yim muaj cov ntaub ntawv raw, siab yield thiab tswj tau purity. Cov khoom tiav tiav tuaj yeem ncav cuag 92% -95% nrog kev ruaj khov purity ntawm ntau dua 99.5%, ua tau raws li qhov xav tau ntawm daim ntawv thov kev lag luam thiab kev tshuaj ntsuam xyuas.
Thawj kauj ruam yog kev npaj cov precursor sodium tetraphenylborate, uas yuav tsum tau nqa tawm nyob rau hauv kev tiv thaiv ntawm nitrogen raws li ib tug inert roj. Ua ntej, magnesium turnings yog tov nrog anhydrous diethyl ether, ib tug me me ntawm iodine flakes yog ntxiv raws li ib tug pib, thiab ib tug diethyl ether tov ntawm bromobenzene yog maj mam ntxiv dropwise. Cov tshuaj tiv thaiv kub yog tswj ntawm 30-35 degree, thiab cov tshuaj tiv thaiv tshwm sim rau 2-3 teev los tsim phenylmagnesium bromide Grignard reagent; tus nqi poob qis yuav tsum tau tswj ntawm 1-2 tee ib ob kom tsis txhob muaj cov khoom lag luam xws li biphenyl tshwm sim los ntawm kev ua phem hauv zos.
Tom qab ntawd, Grignard reagent tau txais cov tshuaj tiv thaiv boroetherification nrog cov tshuaj diethyl ether ntawm trimethyl borate ntawm kwv yees li 34℃los tsim ib qho triphenylborane intermediate. Cov tshuaj tiv thaiv tom qab ntawd maj mam ntxiv rau cov tshuaj aqueous sodium carbonate ntawm qhov kub qis dua 10℃rau hydrolysis. Tom qab sawv ntsug rau txheej sib cais, chloroform yog siv rau kev rho tawm kom txog thaum lub cev pH nce mus txog 8-9, yielding ib tug crude sodium tetraphenylborate tov. Tom qab decolorization nrog activated carbon thiab concentration nyob rau hauv txo lub siab, saturated brine ntawm 90℃yog ntxiv rau salting tawm. Cov khoom siv lim dej lim dej yog recrystallized nrog acetone thiab lub tshuab nqus tsev qhuav ntawm 30-40℃kom tau txais cov khoom tiav sodium tetraphenylborate nrog purity ntawm Ntau dua lossis sib npaug li 99%.
Cov kauj ruam thib ob yog kev hloov dua siab tshiab thiab ua kom huv ntawm PTB. Cov purified sodium tetraphenylborate yog tsim rau hauv 5% -10% aqueous tov, thiab lub cev pH raug kho rau 7-8. Ib qho aqueous potassium chloride tov ntawm equimolar concentration yog maj mam ntxiv nyob rau hauv nplawm ntawm 150-200 rpm, thiab cov tshuaj tiv thaiv yog nqa tawm nyob rau hauv chav tsev kub rau 30 feeb, thaum lub sij hawm uas dawb PTB precipitates yog sai tsim nyob rau hauv lub system. Cov precipitates yog lim los ntawm G4 iav crucible thiab rov ntxuav nrog dej deionized thiab dilute hydrochloric acid nyob rau hauv ib theem kom tshem tawm impurities xws li sodium ions thiab chloride ions adsorbed rau ntawm precipitate nto, tsis txhob muaj kev cuam tshuam ntawm coprecipitation ntawm cov khoom purity. Thaum kawg, cov dej ntxuav tau qhuav ntawm 110℃rau 2 teev, los yog recrystallized nrog acetone rau zaum ob tom qab lub tshuab nqus tsev ziab, kom tau txais cov khoom ua tiav PTB siab.
Laboratory-Cov Txheej Txheem Tshwj Xeeb: Direct Grignard Reagent Synthesis Method
Cov txheej txheem no hla cov kauj ruam nruab nrab ntawm sodium tetraphenylborate thiab ncaj qha npaj PTB los ntawm cov tshuaj tiv thaiv ntawm Grignard reagent nrog poov tshuaj ntsev, uas yog tsim nyog rau kev sim npaj me me ntawm siab -cov qauv purity nrog cov khoom tiav purity ntawm ntau dua 99.8%. Txawm li cas los xij, nws tsis tuaj yeem ua lag luam vim kev ua haujlwm nyuaj, cov khoom siv raw khoom thiab cov kuab tshuaj loj.
Hauv kev ua haujlwm tshwj xeeb, phenylmagnesium bromide Grignard reagent thiab potassium tetrafluoroborate yog siv los ua cov ntaub ntawv raw, nrog tetrahydrofuran ua cov kuab tshuaj, thiab cov tshuaj tiv thaiv yog nqa tawm ntawm qhov kub thiab txias ntawm 0-5℃rau 2 teev. Tom qab cov tshuaj tiv thaiv tiav lawm, dej ntxiv los tua cov tshuaj tiv thaiv, thiab lub kaw lus tau muab rho tawm nrog ethyl acetate. Cov extract yog concentrated nyob rau hauv lub siab txo thiab ces finely purified los ntawm kem chromatography, thiab thaum kawg recrystallized nrog acetone kom tau ib tug ultra-siab-purity PTB tiav cov khoom. Lub ntsiab kom zoo dua ntawm cov txheej txheem no yog tias nws tshem tawm cov kauj ruam purification nruab nrab thiab ncaj qha tau siab - cov khoom purity, ua tau raws li daim ntawv thov ntawm precision tsom xam, high-end xeem thiab lwm yam scenarios.
Novel Green Txheej Txheem: Direct Phenylboronic Acid Synthesis Method
Raws li cov kuab tshuaj -dawb / tsawg- cov txheej txheem synthesis tau tsim nyob rau hauv xyoo tas los no, nws sawv cev rau cov kev taw qhia tshiab rau PTB ntau lawm, nrog rau qhov zoo ntawm ib puag ncig tus phooj ywg, kev siv hluav taws xob tsawg thiab kev ua haujlwm yooj yim. Tam sim no nyob rau theem kev sim ntsuas, nws xav tias yuav maj mam hloov cov txheej txheem ib txwm ua yav tom ntej.
Siv phenylboronic acid thiab potassium hydroxide ua cov ntaub ntawv tseem ceeb, cov txheej txheem no tsis muaj cov kuab tshuaj organic. Raws li kev pabcuam microwave, cov txheej txheem tshuaj tiv thaiv yog cua sov ncaj qha mus rau 120-150℃rau cov tshuaj tiv thaiv, thaum lub sij hawm uas PTB precipitates raug tsim ncaj qha. Qhov tsuas yog los ntawm cov khoom lag luam yog dej thiab carbon dioxide, tsis muaj tshuaj lom thiab tsim kev puas tsuaj, ua raws li kev tsim kho lub tswv yim ntawm kev lag luam tshuaj ntsuab. Cov txheej txheem nta cov tshuaj tiv thaiv kev ua haujlwm siab, thiab kev pabcuam microwave tuaj yeem txo lub sijhawm cov tshuaj tiv thaiv nrog cov khoom tiav tiav ntawm li 85% -90%.
Txawm hais tias me ntsis qis dua li ntawm cov tshuaj sodium tetraphenylborate hloov dua siab tshiab, nws muaj txiaj ntsig zoo hauv kev tiv thaiv ib puag ncig thiab cov nqi raw khoom. Ntxiv mus, nrog rau kev ua kom zoo ntawm cov txheej txheem tsis zoo, tseem muaj chaw rau kev txhim kho cov txiaj ntsig thiab purity, ua rau nws yog ib qho tseem ceeb hloov kho cov kev taw qhia rau kev lag luam ntawm PTB yav tom ntej.
Hauv chav loj ntawm chemistry, qee qhov sib txuas muaj npe nrov rau lawv cov khoom dazzling lossis kev siv ncaj qha, thaum lwm tus zoo li cov pob zeb zais zais ntsiag to txhawb nqa tag nrho cov ceg ntawm kev qhuab qhia.Potassium Tetraphenylborate(K [B (C ₆ H ₅) ₄]) yog tus sawv cev zoo kawg nkaus. Nws qhov kev tshawb pom thiab kev txhim kho keeb kwm tsis yog ib qho, ua yeeb yam "Eureka lub sijhawm", tab sis cov txheej txheem maj mam uas nthuav tawm ntau xyoo thiab sib koom ua ke ntawm kev txawj ntse ntawm inorganic chemistry, organic chemistry, thiab analytical chemistry. Cov keeb kwm no tau pib nrog kev ua siab tawv tshawb nrhiav ntawm qhov tsis paub ntawm cov organic boron chemistry, ua tiav los ntawm kev xav tau ceev ntawm cov kws tshuaj ntsuam xyuas rau cov xim xim av, thiab thaum kawg cuam tshuam ntau yam xws li kev txiav txim siab poov tshuaj ion, ion xaiv electrodes, thiab homogeneous catalysis.
Tus tsim muaj tseeb yog Alfred Stock, uas yog hu ua 'leej txiv ntawm boron chemistry'. Nyob rau xyoo 1910-1930, Stoker tau kov yeej lub siab reactivity thiab toxicity ntawm boron tebchaw thiab tsim lub tshuab nqus tsev tshuab rau kev kawm volatile borohydrides (boranes), zoo heev advancing inorganic chemistry ntawm boron. Nws txoj haujlwm muab cov txheej txheem thiab kev paub hauv paus rau txhua qhov kev tshawb fawb tom ntej.
Txawm li cas los xij, tus lej tseem ceeb hauv kev ua tiav kev qhia cov organic hauv boron chemistry yog lwm tus kws tshuaj German, Helmut Siebert. Tab sis cov npe feem ntau cuam tshuam ncaj qha nrog kev tsim khoom ntawm tetraphenylborate yog HI Schlesinger thiab nws cov tub ntxhais kawm Anton B ö eseken thiab lwm tus. Thaum ntxov xyoo 1940, nrog rau daim ntawv thov loj hlob ntawm Grignard reagent (RMgX), cov kws tshawb fawb tau muaj cov cuab yeej muaj zog rau kev cog qoob loo organic rau ntau yam.
Cov kauj ruam tseem ceeb tau tshwm sim nyob rau xyoo 1948. Thaum lub sijhawm ntawd, Kraus thiab Brown, nrog rau Schlesinger, H ö k, thiab al., ntawm nws tus kheej tau tshaj tawm cov kev tshawb pom zoo sib xws yuav luag ib txhij: thaum phenyl Grignard reagent (C ₆ H ₅ MgBr) reacts nrog boron halides (xws li B ∝ Fluorone ₅F) (KBF ₄) nyob rau hauv ib qho chaw tsis muaj dej ether nruj, ib qho dawb, crystalline precipitate yog tsim. Lawv tau ua qhov kev soj ntsuam ntawm lub hauv paus thiab cov yam ntxwv ua ntej ntawm nws, thiab txiav txim siab nws cov tshuaj formula li K [B (C ₆ H ₅) ₄].
Qhov sib npaug dav rau qhov tshuaj tiv thaiv no yog:
Qhov no yog ib qho tseem ceeb ntawm cov hluavtaws ua tiav. Nws muab thawj zaug ib txoj hauv kev yooj yim los npaj anionic complexes nrog plaub carbon boron bonds. Kev yug me nyuam ntawm tetraphenylborate ion ([B (C ₆ H ₅) ₄] ⁻) muaj qhov tseem ceeb tshaj qhov kev sib txuas ntawm cov molecule tshiab:
- Stability Miracle: Txawm hais tias yog ib qho chaw tsis muaj hluav taws xob, boron atoms muaj kev tiv thaiv zoo los ntawm steric hindrance thaum nyob ib puag ncig los ntawm plaub pawg phenyl loj, ua rau lawv nyuaj rau kev tawm tsam los ntawm nucleophiles xws li dej thiab oxygen, yog li ua tiav qhov tsis muaj kev ruaj ntseg.
- Anion hloov cation: Nws tsis ua tiav R ₄ B ⁺ cation kwv yees los ntawm "boron nitrogen txoj kev xav", tab sis cleverly tsim ib tug sib xws, loj heev organic boron anion. Qhov no rhuav tshem cov kev xav qub thiab qhib cov tswv yim tshiab.
- Tsawg solubility ntawm poov tshuaj ntsev: Lawv tam sim ntawd pom tias nws cov poov tshuaj ntsev (K ⁺ [BPh ₄] ⁻) muaj tsawg heev solubility nyob rau hauv dej thiab ntau yam organic solvents. Cov cuab yeej zoo li no yooj yim ntawm lub cev lays qhov tseem ceeb tshaj plaws foreshadowing rau nws txoj hmoo yav tom ntej
Cim npe nrov: Hot Tags: poov tshuaj tetraphenylborate cas 3244-41-5, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom