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目录号: (WHAT10401170)

供应商: CYTIVA WHATMAN

描述: Recommended for microbiological culturing and sample preparation, these cellulose nitrate membrane filters offer very narrow pore size distribution and low levels of extractables.

计量单位: 1 * 100 件

正在促销

目录号: (HACH2349832)

供应商: HACH

描述: Accessory for test kit, Chloride titrant, includes silver nitrate, drop count titration, 100 mL marked dropping bottle (0,0493 N), 范围: 20 - 400 mg/l

计量单位: 1 * 100 毫升

正在促销

供应商: HACH

描述: ISE standards are used to calibrate ion selective electrode measurement systems by coresponding the electrode output with the concentration of the analyte. Pairs of standards with concentrations that differ by a factor of ten are used for analysis.

证书

供应商: Thermo Fisher Scientific

描述: Low-cost disposable, sterile filter funnel for microbiological analysis testing, food/beverages, raw material, sterility testing and finishing product quality. Upper: PP, collar: PS.

证书

目录号: (DIFC226810)

供应商: DIFCO BD

描述: High quality media evolves because of countless refinements over time, undertaken to create the perfect blend. BD has refined research, manufacturing and quality control processes to achieve the top performing formulations and the highest standards for Difco and BBL media. BD offers media with a proven record of performance backed by over 180 years of combined Difco and BBL expertise.

计量单位: 1 * 500 克

正在促销

目录号: (HACH144001)

供应商: HACH

描述: The drop count test is a simple, easy and cost-effective way to test for many parameters like chlorine, chloride, dissolved oxygen, carbon dioxide, sulphite, nitrogen, formaldehyde, and more.

计量单位: 1 * 1 KIT

正在促销

目录号: (METT51343182)

供应商: METTLER TOLEDO

描述: FRISCOLYT-B® (84,4% glycerol, 11% KCl and 4,6% H₂O) is for low temperature samples.

计量单位: 1 * 25 毫升

SDS 证书 正在促销

供应商: CYTIVA WHATMAN

描述: Cellulose nitrate membranes, circles, plain. Recommended for the majority of routine applications, this membrane is manufactured under strictly controlled conditions.

供应商: CYTIVA WHATMAN

描述: Whatman Puradisc syringe filters from Cytiva's business combine premium quality with economic efficiency. They are well suited for rapid, routine syringe filtration of samples up to 100 ml.

目录号: (ORIO900003)

供应商: THERMO ORION

描述: Filling solutions for pH and reference electrodes.

计量单位: 1 * 5 件

SDS 证书 正在促销

目录号: (VWRI10925)

供应商: VWR Collection

描述: [EN]LITHIUM BATTERY CR2430 1 * 1 件

计量单位: 1 * 1 件

正在促销

目录号: (VWRCBRGT416-25KG)

供应商: VWR Chemicals

描述: LITHIUM CHLORIDE 1 * 25 千克

计量单位: 1 * 25 千克

正在促销

目录号: (VWRI3429)

供应商: VWR Collection

描述: [EN]LITHIUM BATTERY CR2032 1 * 1 件

计量单位: 1 * 1 件

正在促销

供应商: HACH

描述: System for Analytical Quality Assurance (AQA), consisting of one combined standard/spiking solution and two round robin test solutions.

证书

供应商: VWR Chemicals

描述: Devarda's alloy is used as reducing agent in analytical chemistry for the determination of nitrates after their reduction to ammonia under alkaline.

SDS 证书

供应商: HACH

描述: These mixed standards are ready to use, no dilutions are required. They contain ammonia nitrogen, nitrate nitrogen, COD, phosphate, sulphate and TOC.