-
Ferrous sulfate heptahydrate CAS: 13463-43-9
Ferrous Sulphate Hephydrate: Cov kua qaub ntsuab, FeSO4.7H20, tau paub txij li xyoo pua kaum peb; nws crystallizes los ntawm cov tshuaj ntawm hlau lossis hlau hauv cov kua qaub sulfuric acid dilute. Lub heptahydrate tsim cov siv lead ua monoclinic ntsuab ntawm qhov ceev 1·88, yaj tau zoo heev hauv dej (296 g litre-1 FeS04 ntawm 25 ° C). Los ntawm kev ua kom cov kua dej nrog ethanol, cua sov lub heptahydrate mus rau 140 ° hauv vacuo lossis los ntawm kev crystallizing nws los ntawm 50% sulfuric acid, cov monohydrate dawb tau txais. Qhov no tuaj yeem ua kom qhuav ntxiv rau cov dawb, amorphous FeSO4 los ntawm cua sov mus rau 300 ° hauv hydrogen tam sim no. Ntawm qhov kub liab lub sulphate decomposes: 2FeS04 -> Fe203 + S02 + S03 Ib qho tetrahydrate, FeS04.4H20, crystallizes los ntawm cov kua dej saum toj no 56 °.
CAS: 7720-78-7
-
Chaw Tsim Khoom Zoo Tus Nqi Ammonium Chloride CAS: 12125-02-9
Ammonium Chloride: (qib kev lag luam) Ammonium chloride yog xim tsis muaj siv lead ua los yog hmoov dawb crystalline; Tsis muaj ntxhiab, ntsev thiab txias; Nws muaj peev xwm nyiam cov dej noo. Cov khoom no yooj yim yaj hauv dej, me ntsis yaj hauv ethanol.
Yaj hauv dej, yaj me ntsis hauv ethanol, yaj hauv kua ammonia, tsis yaj hauv acetone thiab diethyl ether. Hydrochloric acid thiab sodium chloride tuaj yeem txo nws cov solubility hauv dej.
Ammonium Chloride CAS 12125-02-9
Lub Npe Khoom: Ammonium ChlorideCAS: 12125-02-9
-
Chaw Tsim Khoom Zoo Nqe Hydrogen Peroxide 50% CAS: 7722-84-1
Hydrogen peroxide yog ib qho oxidant muaj zog. Cov tshuaj no feem ntau hu ua hydrogen peroxide. Cov khoom ntshiab yog cov kua pob tshab, uas tsis muaj ntxhiab thiab iab. Cov hydrogen peroxide muaj cov pa oxygen sib xyaw ua ke, yog li Hydrogen peroxide yog oxidation muaj zog thiab muaj cov nyhuv bleaching, uas tuaj yeem ploj ntau yam pigments thiab tsis daj. Tab sis Hydrogen peroxide kuj muaj kev txo qis. Thaum cov oxidant muaj zog, Hydrogen peroxide yog oxidized thiab oxygen. Txawm hais tias Hydrogen peroxide tsis hlawv nws tus kheej, kev sib cuag nrog cov khoom siv hluav taws xob ua rau kub hnyiab heev.
Cov lus txhais:CAS: 7722-84-1
-
Hlau sulfate monohydrate CAS: 13463-43-9
Ferrous Sulphate Monohydrate: Sulfate tshuaj FESO4, feem ntau, xya siv lead ua dej sulfate FESO4 · 7H2O, feem ntau hu ua ntsuab alum. Lub teeb xiav-ntsuab monocular siv lead ua, qhov ceev ntawm 1.898g / cm3, chemicalbook64 ℃ yaj hauv dej crystalline. Soluble hauv dej, cov kua dej yog acidic. Maj mam weathered hauv huab cua, thiab tau oxidized rau hauv daj-xim av alkaline hlau ntsev. Poob tag nrho cov dej siv lead ua ntawm 300 ° C, thiab cov khoom tsis muaj dej yog hmoov dawb.
Lub ntsiab lus tseem ceeb: Hlau sulfate yooj yim oxidized rau hauv daj lossis hlau xeb hauv huab cua ntub. Hauv dej, qhov concentration ntawm cov tshuaj rau cov sulfate dav dav yog li 10%. Raws li cov pob zeb ua vaj tse, sib xyaw nrog ChemicalBook Granules, zaub zoo, sai sai poob, cov xim zoo heev, tus nqi qis ntawm cov neeg sawv cev kho sulfate, thiab tsim nyog rau kev kho dej khib nyiab nrog PH tus nqi siab dua 8.5.
CAS: 7782-63-0
-
Chaw Tsim Khoom Zoo Nqe Buchu Extract CAS: 68650-46-4
Buchu Extract yog Xim av Hmoov Zoo, qhov ceev sib piv (D15) 0.918 ～ 0.960, thiab lub yeeb koob yog -15 ° ~ -48 °. Buchu Extract muaj zog thiab tshiab qab zib thiab iab. Cov khoom tseem ceeb ntawm cov roj omithopol (DIOSPHCNOL), Diosmin, txiv kab ntxwv beanidin, flavinoside, thiab lwm yam.
Cov Khoom Siv Tshuaj: Cov roj, uas tau muab rho tawm los ntawm cov nplooj qhuav, muaj ntxhiab qab zib nrog rau qhov saj tshiab, iab. Kev rho tawm cov nplooj buchu uas xa tuaj txawv teb chaws yog ua nyob rau hauv Tebchaws Europe (feem ntau yog Holland) thiab Tebchaws Meskas (tsis tshua muaj nyob rau ntawm qhov chaw cog qoob loo).
Xwm: qhov ceev; 0.922 g/ml ntawm 25 ° C, Refractive index; n20/d1.476, Fema; 2169 | BUCHU LEAVES OIL (BAROSMA SPP.), Flash dots; 60 ° C; Daim ntawv: kuaCAS: 68650-46-4
-
Chaw Tsim Khoom Zoo Nqe Methyl Anthranilate CAS: 134-20-3
Methyl Anthranilate, tseem hu ua MA, methyl 2-amino benzoate lossis carbo methoxy aniline, yog ib qho ester ntawm anthranilic acid. Nws cov mis tshuaj yog C8H9NO2.
Methyl Anthranilate muaj ntxhiab tsw qab zoo li paj txiv kab ntxwv thiab saj iab me ntsis. Yuav ua tau los ntawm kev ua kom anthranilic acid thiab methyl alcohol sov nrog sulfuric acid thiab tom qab ntawd distillation.CAS: 134-20-3
-
Chaw Tsim Khoom Zoo Tus Nqi Magnesium Sulfate Anhydrate CAS: 7487-88-9
Magnesium sulfate, tseem hu ua sulfur bitterness, bitter salt, diarrhea salt, thiab diarrhea, yog ib qho magnesium-muaj compound. Qhov tsos yog tsis muaj xim lossis dawb thiab yooj yim-rau-winded siv lead ua los yog hmoov dawb. Tsis muaj ntxhiab. Muaj iab ntsev. Kev tuav. Magnesium sulfate poob rau molecular crystal dej ntawm 150 ° C, thiab poob tag nrho cov dej siv lead ua ntawm 200 ° C. Qhov ceev ntawm tsis muaj aquatic khoom yog 2.66, lub melting point yog 1124 ° C, thiab nws yog decomposed tib lub sijhawm. Yooj yim rau yaj hauv dej, soluble hauv cawv, ether thiab glycerin, insoluble hauv pyruis. Magnesium sulfate yog ib qho tshuaj reagent andids siv feem ntau. Magnesium sulfate ntub compresses muaj cov haujlwm ntawm anti-inflammatory thiab o, uas tuaj yeem txo cov ntaub so ntswg hauv zos puas tsuaj. Magnesium sulfate ntub compress thiab yas qhwv yog ib txoj hauv kev zoo rau kev kho chemotitis. ib qho.
CAS: 7487-88-9
-
Chaw Tsim Khoom Zoo Tus Nqi Sib xyaw Sodium Nitrophenolate CAS: 67233-85-6
Cov Tshuaj Sodium Nitrophenolate (tseem hu ua sodium nitrophenol complex) yog ib qho tshuaj ua kom lub hlwb ua haujlwm tau zoo, cov tshuaj sib xyaw ua ke yog 5-nitroguaiacol sodium, sodium o-nitrophenol, sodium p-nitrophenol. Tom qab kov cov nroj tsuag, nws tuaj yeem nkag mus rau hauv lub cev ntawm cov nroj tsuag sai sai, txhawb kev ntws ntawm cov hlwb protoplasm, thiab txhim kho kev muaj sia nyob ntawm cov hlwb. Tib lub sijhawm, nws tseem yog ib qho tshuaj tswj kev loj hlob ntawm cov nroj tsuag uas muaj ntau cov ntsev sodium nitrophenol (qee cov khoom yog cov ntsev amine), uas nws cov mis tshuaj yog C6H4NO3Na, C6H4NO3Na, C7H6NO4Na. Tsim los ntawm lub tuam txhab Nyiv Pooj xyoo 1960, cov khoom yog 1.8% dej.
Cov Lus Txhais: 2-methoxy-5-nitro; AtonikG; 2-methoxy-5-nitrophenolate; 2-Methoxy-5-nitrophenolsodiumsaltSolution, 100ppm; 2-MetChemicalbookhoxy-5-nitrophenolsodiumsaltSolution, 1000ppm; nitroguaiacolsodiumsalt; Sodium2-methoxy-5-nitrophenoxide; ATONIK
CAS: 67233-85-6
-
Chaw Tsim Khoom Zoo Tus Nqi Monoethanolamine CAS: 141-43-5
Monoethanolamine yog ib hom amino alcohol uas muaj viscous hygroscopic thiab muaj ob pawg tshuaj amine thiab cawv. Monoethanolamine muaj ntau yam nyob hauv lub cev thiab yog ib feem ntawm lecithin. Monoethanolamine muaj ntau yam kev siv hauv kev lag luam. Piv txwv li, Monoethanolamine siv tau rau hauv kev tsim cov tshuaj ua liaj ua teb xws li ammonia thiab kev tsim cov tshuaj thiab cov tshuaj ntxuav tes. Monoethanolamine kuj siv tau ua surfactant, fluorimetric reagent thiab tshem tawm CO2 thiab H2S. Hauv kev lag luam tshuaj, ethanolamine siv ua vascular sclerosing agent. Monoethanolamine kuj muaj cov khoom antihistamine, uas txo cov tsos mob tsis zoo los ntawm H1-receptor binding.
CAS: 141-43-5
-
Chaw Tsim Khoom Zoo Tus Nqi Magnesium Sulphate Heptahydrate CAS: 10034-99-8
Magnesium sulfate heptahydrate (MgSO4 · 7H2O), tseem hu ua sulfur iab, ntsev iab, ntsev cathartic, ntsev Epsom, yog ib rab koob dawb lossis tsis muaj xim lossis oblique columnar siv lead ua, tsis muaj ntxhiab, txias thiab me ntsis iab, qhov hnyav molecular: 246.47, qhov hnyav tshwj xeeb 1.68, yooj yim soluble hauv dej, me ntsis soluble hauv ethanol thiab glycerol, hauv 67.Chemicalbook5 ℃ yaj hauv nws tus kheej dej siv lead ua. Kev rhuav tshem cua sov, 70, 80 ℃ yog qhov poob ntawm plaub lub molecule ntawm dej ntawm siv lead ua. Ntawm 200 ℃, tag nrho cov dej siv lead ua ploj mus ua cov khoom tsis muaj dej. Hauv huab cua (qhuav) yooj yim weathered rau hmoov, cua sov maj mam tshem tawm cov dej siv lead ua rau hauv magnesium sulfate anhydrous, cov khoom no tsis muaj cov khoom tsis huv.
CAS: 10034-99-8
