"Titration Solutions"
VWR® ARISTAR®, Ytterbium Standard Solutions for ICP-MS
Supplier: VWR Chemicals
Ytterbium Standard, 10 ppm, VWR® ARISTAR®, 镱, 基质: 2% HNO₃, 应用: ICP-MS standards
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VWR® ARISTAR®, Beryllium Standard Solutions for ICP-MS
Supplier: VWR Chemicals
Beryllium Standard, 10 mg/L, VWR® ARISTAR®, 铍, 基质: 2-5% HNO₃, 应用: ICP-MS standards
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VWR® ARISTAR®, Tin Standard Solutions for ICP-MS
Supplier: VWR Chemicals
Tin Standard, 1000 mg/L, VWR® ARISTAR®, 锡, 基质: 2% HNO₃/0,5% HF, 应用: ICP-MS standards
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VWR®, Certified Reference Materials for the standardisation of volumetric solutions
Supplier: VWR Chemicals
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).
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三羟甲基氨基甲烷, Certipur® Reag. USP, Reag. Ph. Eur. volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM), Supelco®
Supplier: MERCK MILLIPORE
Tris(hydroxymethyl)aminomethane volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM)
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Titriplex® III concentrate 0.1 M, Titrisol®, Supelco®
Supplier: MERCK MILLIPORE
Concentration after dilution to 1 liter: c(C₁₀H₁₄N₂Na₂O₈ ∙ 2 H₂O) = 0.1 mol/l