CAS: 31551-45-8丨2, 7-Dinitro-9-fluorenone

2,7-Dinitro-9-fluorenone (DNF) yog ib qho organic compound uas muaj ntxhiab tsw ntxhiab. Nws yog qhov ruaj khov ntawm chav tsev kub thiab siab. Txawm li cas los xij, kev sib cuag nrog cov khoom tsis sib xws xws li cov tshuaj muaj zog oxidizing thiab cov hauv paus muaj zog yuav tsum zam kom tsis txhob muaj kev phom sij txaus ntshai.

DNF tsis tshua muaj thermally ruaj khov. Thaum nws tsis tawg thiab tsis yog cov khoom siv hluav taws xob siab.

Kev siv:

2; Vim nws cov qauv tshwj xeeb thiab cov khoom siv hluav taws xob, nws tuaj yeem ua haujlwm los npaj cov khoom siv xws li cov khoom siv hluav taws xob photoconductive. Nws kuj tseem tuaj yeem siv los tsim cov sensors rau kev txiav txim siab ntawm submicromolar concentrations ntawm genotoxic nitro compounds, piv txwv li, los ntawm kev siv cov khoom siv nyiaj amalgam electrodes hloov kho nrog mercury meniscus nto ua ke nrog DC voltammetry lossis txawv pulse voltammetry.

Txoj Kev Npaj:

Kev npaj ntawm 2,7-dinitro-9-fluorenone yog kwv yees muab faib ua ob kauj ruam. Ua ntej, cov khoom sib txuas nucleophilic ntxiv yog tsim los ntawm cov tshuaj tiv thaiv condensation ntawm 2-nitrobenzaldehyde thiab cov ketone. Tom qab ntawd, cov pab pawg nitro yog ntxiv los ntawm cov tshuaj tiv thaiv nitration. Tag nrho cov txheej txheem yuav tsum tau ua nyob rau hauv txias txias, thiab cov tshuaj tiv thaiv kub thiab ntxiv cov reactants yuav tsum tau ua tib zoo tswj.

Tam sim no peb cov khoom raug xa tawm mus rau ntau tshaj 30 lub teb chaws thiab cheeb tsam xws li Holland, Is Nrias teb, Australia, thiab lwm yam, txaus siab rau lub koob npe nrov thiab muaj koob npe nrov hauv thoob ntiaj teb. Peb lub tuam txhab tau tsim kho sai thiab tam sim no tau dhau los ua ib tus neeg yuav khoom thiab muab kev pabcuam rau ntau tus neeg siv khoom thoob ntiaj teb. Tau ntsib ntau lub cib fim thiab cov teeb meem yav tom ntej, peb yuav muaj lub tswv yim tshiab thiab pragmatic, thiab ua kom tsis muaj zog.

Peb yuav ua hauj lwm ua ke kom ua tiav qhov xwm txheej yeej-yeej.Peb zoo siab tos txais cov neeg siv khoom txawv teb chaws tuaj rau peb lub tuam txhab los tham txog kev lag luam thiab tsim kev phooj ywg. Peb yuav yog koj tus khub zoo.

Koj puas tuaj yeem tsim koj cov khoom rau peb cov specifications?

Yog lawm, yog tias koj tuaj yeem ua tau raws li peb qhov kev txiav txim yam tsawg kawg nkaus, cov xim ntawm cov khoom tuaj yeem hloov kho.

Yuav ua li cas lav qhov zoo ntawm cov khoom?

1) Kev tshuaj xyuas nruj thaum lub sijhawm tsim khoom

2) Kev soj ntsuam nruj nruj ntawm cov khoom ua ntej xa khoom kom ntseeg tau tias cov khoom ntim tau zoo.

Koj muab cov ntaub ntawv dab tsi?

Nquag, peb muab cov ntawv xa nyiaj ua lag luam, cov ntawv ntim khoom, daim ntawv teev npe, COA, daim ntawv pov thawj ntawm lub hauv paus, yog tias koj lub khw muaj tej yam tshwj xeeb, thov qhia rau peb paub.

Qhov chaw nres nkoj ntawm kev thauj khoom nyob qhov twg?

Feem ntau Tianjin chaw nres nkoj lossis Qingdao chaw nres nkoj.

Koj lub sijhawm ua haujlwm rau kev txiav txim tshiab yog dab tsi?

Rau feem ntau cov khoom peb muaj nyob rau hauv Tshuag, lub sij hawm xa tuaj yuav yog 3-5 hnub ua hauj lwm tom qab tau txais cov nyiaj them poob haujlwm. Thov tham ntxiv txog cov khoom customized.

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