Xov xwm
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Soxhlet extraction thiab daim ntawv thov ntawm roj analyzer
Franz Von Soxhlet tau luam tawm ib qho ntawm nws cov txiaj ntsig tseem ceeb tshaj plaws hauv kev lag luam lipid thev naus laus zis hauv xyoo 1879, tom qab nws cov ntaub ntawv ntawm lub cev lub cev ntawm cov mis nyuj hauv xyoo 1873 thiab ntawm cov txheej txheem ntawm butter ntau lawm hauv xyoo 1876: Nws tau tsim ib lub cuab yeej tshiab rau rho tawm cov roj ntawm cov mis nyuj. , uas tom qab siv w ...Nyeem ntxiv -
Taw qhia ntawm tsis siv neeg Kjeldahl apparatus
Tsis siv neeg Kjeldahl nitrogen txiav txim siab ntsuas kev ua haujlwm: Cov haujlwm ua haujlwm tau ua hauv cov qauv ntsuas ntsuas yog raws li hauv qab no: dilution, reagent ntxiv, distillation, titration, effluent paug, xam, luam ntawv. Dilution: dilute cov qauv digested ...Nyeem ntxiv -
Lub hauv paus ntsiab lus ua haujlwm ntawm Kjeldahl kev txiav txim siab nitrogen
Raws li lub hauv paus ntsiab lus ntawm kev txiav txim siab Kjeldahl nitrogen, peb kauj ruam yuav tsum tau txiav txim siab, xws li kev zom, distillation thiab titration. Kev zom: Thaum tshav kub kub nitrogen-muaj cov organic tebchaw (proteins) ua ke nrog cov concentrated sulfuric acid thiab catalysts (copper sulfate los yog Kjel ...Nyeem ntxiv -
Cov khoom tshiab Kjeldahl nitrogen analyzer, Soxhlet fat analyzer, tsis siv neeg digestion khoom pauv rooj sib tham
Niaj hnub no, hauv chav sib tham ntawm Shandong Derek Instrument Co., Ltd., 2021 analytical instrument tshiab khoom pauv rooj sib tham tau tuav, koom nrog DRK-K616 tsis siv neeg Kjeldahl nitrogen analyzer, DRK-K646 tsis siv neeg digestion instrument, thiab DRK-SOX316 fat meter. Cov khoom. Lub rooj sib tham sib pauv no yog ...Nyeem ntxiv -
GBT453-2002 Ntxiv rau Tensile Strength ntawm Daim Ntawv thiab Lub Rooj Tswjhwm Saib Xyuas (Txoj Kev Nrawm Ceev Loading Method)
Nco ntsoov! Rau kev txiav txim siab ntawm lub zog tensile ntawm GBT453-2002 daim ntawv thiab cov ntawv ntawv (txheej txheem thauj khoom ceev ceev), hnub no tus editor kos cov ntsiab lus tseem ceeb rau txhua tus! Qhov tseem ceeb 1: Txoj Cai Lub zog tensile tester stretches tus qauv ntawm qhov loj me kom tawg nyob rau hauv condi ...Nyeem ntxiv -
Luv luv qhia txog hluav taws xob ntaub tearing tshuab
Hluav taws xob cov ntaub tearing tester yog tsim rau kev kuaj lub kua muag tsis kam ntawm woven fabric, pam, xav, weft fabric, thiab nonwoven fabric. Electronic fabric tearing device nta: 1, cov cuab yeej nrog tshwj xeeb txhuas profile rooj, plhaub hlau xim ua, tag nrho cov rauj ua los ntawm s ...Nyeem ntxiv
