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目录号: (VWRC91030.050)

供应商: VWR Chemicals

描述: Due to its excellent separation capacity and its high sensitivity gas chromatography is a widely used technique for analytical purposes. In order to get proper identification and quantification results of the analysed compounds, reference standards are needed. These PESTINORM® reference substances can be used for the characterisation of GC column properties. In addition they may also be used for the identification of unknown compounds in a gas chromatogram or as standards in quantitative GC analysis.

计量单位: 1 * 5 毫升

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目录号: (VWRCE772-25G)

供应商: VWR Chemicals

描述: Bluish-green dye that is soluble in alcohol. Can be used with safranin as a stain for plant tissue and for demonstrating nuclear histones.

计量单位: 1 * 25 克

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供应商: Avantor

描述: The quality of many BAKER ANALYZED™ Reagents meets or exceeds the requirements set forth by the American Chemical Society (ACS). These solvents are essential for any chemical stockroom.

SDS 证书

目录号: (BAKR9853-02)

供应商: Avantor

描述: 乙腈 ≥99.9%, BAKER ANALYZED ULTRA LC/MS™ for LC-MS, tested for UHPLC, J.T.Baker®

计量单位: 1 * 1 升

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供应商: VWR Chemicals

描述: 碳酸丙烯酯 ≥99.0% (by GC), GPR RECTAPUR®

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目录号: (VWRC26086.103)

供应商: VWR Chemicals

描述: 二甲酚橙, TECHNICAL

计量单位: 1 * 5 克

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供应商: MACRON AVANTOR BRAND

描述: UltimAR-solvents that meet ACS specifications for liquid chromatography, UV-spectrophotometry, and general purpose use. They are also tested by GC/ECD and GC/FID for use in extraction/concentration sample clean-up protocols for trace-level organic impurities.

SDS

供应商: VWR Chemicals

描述: 乙腈 ≥99%, TECHNICAL

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目录号: (BAKR9124-80)

供应商: Avantor

描述: 甲醇 ≥99.9% (by GC, corrected for water content) for HPLC, for spectrophotometry, J.T.Baker®

计量单位: 1 * 4 升

SDS 证书 正在促销

供应商: Avantor

描述: BAKER ULTRA RESI-ANALYZED® Reagent—ultra high-purity solvents and salts developed for organic residue extraction/concentration procedures. These solvents are fully characterized and lot controlled by ECD, FID, or other method-specific detectors. Advanced stabilizer systems are incorporated to ensure solvent stability and superior performance Solvents are suitable for exacting EPA sample cleanup protocols.

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供应商: VWR Chemicals

描述: 乙腈 ≥99.5% for HPLC

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目录号: (MACR8820-28)

供应商: MACRON AVANTOR BRAND

描述: 甲醇 ≥99.5% (by GC), Macron Fine Chemicals™

计量单位: 1 * 350 磅

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目录号: (VWRC83558.180)

供应商: VWR Chemicals

描述: 百里酚 Ph. Eur.

计量单位: 1 * 100 克

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目录号: (VWRC6678.1000)

供应商: VWR Chemicals

描述: Silicone Oils 47 are polydimethylsiloxane oils, consisting of linear molecular chains of varying lengths whose groups comprise alternating silicone and oxygen atoms (the Si-O-Si siloxane bond). The silicone atoms are saturated by methyl groups – CH₃.

计量单位: 1 * 1 升

SDS 证书 正在促销

供应商: Avantor

描述: The quality of many BAKER ANALYZED™ Reagents meets or exceeds the requirements set forth by the American Chemical Society (ACS). These solvents are essential for any chemical stockroom.

证书

供应商: Avantor

描述: 乙腈, low water content ≥99.8% (by GC, corrected for water content), BAKER BIO-ANALYZED®, J.T.Baker®

SDS 证书