共找到 150 條與 三氟乙酸 相關(guān)的標(biāo)準(zhǔn)，共 10 頁
Trifluoroacetic acid (TFA)
Ethyl trifluoroacetate (ETFA)
Propylene glycol monobutyl ether, p-chlorobenzotrifluoride, trifluoroacetic acid (TFA) and indole-2-carboxylic acid for industrial use (2017)
La presente norma è la versione ufficiale in lingua inglese della norma europea EN 16075 (edizione novembre 2011). La norma stabilisce un metodo
Fertilizers - Determination of N-(2- nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)
Methyl 3,4,5-trimethoxybenzoate
甲酚和已脹定二(羥乙基磺酸)鹽5 和未側(cè)本標(biāo)準(zhǔn)規(guī)定了牙襄中氧已定、吶葉西林、雙氧分酸、氧二儀才設(shè)備.試驗步驟.試驗數(shù)據(jù)處理、檢出限與定劑含量的高效液相色譜法測定的原理.試劑或材料、限、.回收率和精密度。本標(biāo)準(zhǔn)適用于牙襄中氧已定、.哮喃西林、雙氧分酸、氯二甲酚和己脹定二(羥乙基磺酸)鹽含量的測定
Oral care and cleansing products—Determination of chlorhexidine, furacin, diclofenac, chloroxylenol and hexamidine diisethionate in toothpastes—High performance liquid chromatography
本標(biāo)準(zhǔn)規(guī)定了2,4,5-三氟苯乙酸的基本要求、技術(shù)要求、試驗方法、檢驗規(guī)則、標(biāo)志、包裝、運輸和貯存、勞動防護(hù)、質(zhì)量承諾。 本標(biāo)準(zhǔn)適用于以1,2,4-三氟苯為原料制備而得的2,4,5-三氟苯乙酸。該產(chǎn)品可作為合成糖尿病藥物西他列汀的關(guān)鍵中間體。 分子式：C8H5F3O2。 相對分子質(zhì)量
2,4,5-Trifluorophenyl acetic acid
本標(biāo)準(zhǔn)規(guī)定三氯三氟乙烷及其它室溫液態(tài)之鹵烷類酸值檢驗法
Method of Test for Total Acid Number of Trichlorotrifluoroethane
Fluoroethanes－Trichlorotrifluoroethane(FREON 113)dichlorotetrafluoroethane(FREON 114)
Fluoroethanes (trichlorotrifluoroethane (flon 113) Dichlorotetrafluoroethane (flon 114))
D3444-Test Method for Total Acid Number of Trichlorotrifluoroethane
Fluoroethanes－Trichlorotrifluoroethane(FREON 113)dichlorotetrafluoroethane(FREON 114)
1.1 This test method covers the determination of total acidity in trichlorotrifluoroethane and other halocarbons that are liquid at room temperature
Standard Test Method for Total Acid Number of Trichlorotrifluoroethane
Fluoroethanes－Trichlorotrifluoroethane(FREON 113)dichlorotetrafluoroethane(FREON 114)
3.1 This test method determines the total acidity
Standard Test Method for Total Acid Number of Trichlorotrifluoroethane
