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Product Image-VWRC88223.180

VWR®, TOC standard solutions

供应商: VWR Chemicals
描述: Potassium hydrogen phthalate solutions.

SDS 证书

Product Image-VWRC30892.298

Potassium dichromate 0.04 mol/l (0.24 N) in aqueous solution, AVS TITRINORM volumetric solution, for COD determination according to NFT 90-101 standard

目录号: (VWRC30892.298)
供应商: VWR Chemicals
描述: Potassium dichromate 0.04 mol/l (0.24 N) in aqueous solution, AVS TITRINORM volumetric solution, for COD determination according to NFT 90-101 standard
计量单位: 1 * 1 升

SDS 证书


Product Image-MACRH300-01

氯化钾 saturated aqueous solution, StandARd®, Macron Fine Chemicals™

供应商: MACRON AVANTOR BRAND
描述: For refilling calomel reference electrodes.

SDS 证书

Product Image-BAKR5645-02

氢氧化钾 0.1 N in ethanol, BAKER ANALYZED® volumetric solution, J.T.Baker®

目录号: (BAKR5645-02)
供应商: Avantor
描述: Standardized at 25°C against chemicals whose certification is traceable to NIST. Lot standardization value, accurate to +/- 1 part per 1000, provided on label.
计量单位: 1 * 1 升

证书


Product Image-VWRC88401.100

VWR®, Certified Reference Materials for the standardisation of volumetric solutions

供应商: VWR Chemicals
描述: CRM's - secondary reference materials intended for standardisation of volumetric solutions in accordance with the Pharmacopoeia (Ph. Eur. and USP). These volumetric standards are prepared from high purity salts. Certified mass fraction is determined by classical analysis according to ISO/IEC 17025. Homogeneity and stability studies have been performed according to the requirements of ISO 17034 and ISO Guide 35. All volumetric standards are traceable to SI (NIST or BAM).

SDS 证书

Product Image-BAKR2958-00

邻苯二甲酸氢钾 99.95-100.05% (dry basis), crystals, BAKER ANALYZED® ACS, J.T.Baker®

供应商: Avantor
描述: This reagent is satisfactory for use as a pH standard. For use as an acidimetric standard, this material should be lightly crushed and dried for 2 hours at 120 °C to remove any absorbed moisture.

证书

Product Image-VWRC84784.180

VWR®, UV/Visible spectroscopy stray light standards

供应商: VWR Chemicals
描述: Stray light standards packed in permanently sealed UV cuvettes or 100 ml amber bottle.

SDS 证书

Product Image-VWRC30891.295

Potassium dichromate 0.04 mol/l (0.24 N) with mercury (II) sulphate 80 g/l in sulphuric acid solution 0.04 mol/l (0.24 N) Mercury(II)-sulfate sulfuric acid_80g/l, AVS TITRINORM Volumetric, COD_determination_water

目录号: (VWRC30891.295)
供应商: VWR Chemicals
描述: According to NFT 90-101 standard
计量单位: 1 * 1 升

SDS 证书


Product Image-VWRC83608.290

VWR®, Conductivity standards at 25 °C, potassium chloride solutions

供应商: VWR Chemicals
描述: KCl 0,01 mol/L, VWR®, 1,41 mS/cm, 参考温度: 25 °C

SDS 证书

Product Image-MACRH185-05

碘 1.0 N, StandARd® volumetric solution, Macron Fine Chemicals™

目录号: (MACRH185-05)
供应商: MACRON AVANTOR BRAND
描述: Contains 10 to 20% iodine and 20 to 30% potassium iodide.
计量单位: 1 * 1 升

SDS 证书


Product Image-VWRC84108.260

VWR®, Conductivity standard solutions

供应商: VWR Chemicals
描述: A complete range of certified control standards with values ranging from 1,3 to 500000 µs to meet all the requirements for electrochemical analysis.

SDS 证书

Product Image-VWRC85645.260

VWR® Conductivity standard, CRM, 5000 μS/cm

目录号: (VWRC85645.260)
供应商: VWR Chemicals
描述: Directly traceable to NIST, tested and certified to ISO17025 and ISO 17034
计量单位: 1 * 500 毫升

SDS 证书


Product Image-VWRC89027.270

VWR®, Conductivity standards, Certified Reference Materials (CRMs) for primary calibration of conductivity meters

供应商: VWR Chemicals
描述: Avantor offers a comprehensive range of conductivity standards as Certified Reference Materials with the primary use calibrating of conductivity meters.

SDS 证书

Image Unavailable-VWRU23226-603

VWR®, Conductivity standards, KCl, referenced at 25 °C

目录号: (VWRU23226-603)
供应商: VWR BRAND PRIVATE LABEL USA
描述: Conductivity standard 1,000 µS/cm (0.007 mol/L; KCl), VWR®, 1000 µS/cm, 参考温度: 25 °C
计量单位: 1 * 473 毫升

SDS


Product Image-VWRU23226-650

VWR® Traceable® One-Shot™, Conductivity standards (CRM)

供应商: VWR BRAND PRIVATE LABEL USA
描述: Traceable® Conductivity Standards are among the most accurate available. They are compatible with all makes of equipment, and can be used in lab or field. Each bottle is labeled for calibrating conductivity (microsiemens/micromhos), resistivity (ohms), and dissolved solids (parts per million).

Image Unavailable-MERC1.70377.0100

Potassium standard solution, 10000 mg/L K in dil. nitric acid (from KNO₃) Certipur® standard for ICP, Supelco®

目录号: (MERC1.70377.0100)
供应商: MERCK MILLIPORE
描述: Potassium Standard, 10000mg/L, Certipur®, Supelco®, 钾, 基质: 2-3% HNO₃, 应用: ICP standards
计量单位: 1 * 100 毫升

SDS


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此产品订购可能会受到监管部门审核，而产生额外的费用或者需要额外的文件。如需相关资料，我们通常会在3日内联系您。如有任何问题，请联系我们的客户服务部门: CS_CN@avantorsciences.com
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