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Meeting regulations in any industry, standards are essential for periodically checking the accuracy of equipment pieces. By comparing against the known values, output readings detect errors present and inform personnel adjustments are required. Once the settings of the manual or automatic instruments have returned to zero, the reestablished conditions will yield optimal working performance. Calibrating with concentrated standards eliminates the possibility that environmental changes will induce instrumental miscalculation when accuracy matters most.
VWR®, Titanium standard solution, 1000 mg/L Ti in water with hydrofluoric acid (max. 1%) (from (NH4)2TiF6) ARISTAR® standard for ICP
Supplier: VWR Chemicals
(NH₄)₂ TiF₆ in H₂O tr. HF.
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VWR®, Sulphur, Certified Reference Materials, in odourless kerosene
Supplier: VWR Chemicals
Sulphur CRMs are suitable for calibration, verification or for use in quality control procedures used for analysing sulphur content in petroleum products.
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VWR® ARISTAR®, Nickel Standard Solution, 1000 mg/L Ni in dil. Nitric Acid (from Ni), Standard for ICP
Supplier: VWR Chemicals
Ni in HNO₃ 2 to 5%.
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VWR®, Distillation standards for the petroleum industry, Certified Reference Materials
Supplier: VWR Chemicals
Distillation Certified Reference Materials are for the verification of laboratory instruments used in testing petroleum and derivative products for distillation at atmospheric pressure according to ASTM D86, IP 123, ISO 3405 and other such equivalent international methodology.
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VWR®, Standards for the determination of Hydrocarbon Oil Index (HOI)
Supplier: VWR Chemicals
VWR® offers a complete range of products for the determination of the hydrocarbon oil index (HOI) in accordance with EN ISO 9377-2 (DIN H53).
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VWR®, Medical Grade viscosity standards
Supplier: VWR Chemicals
Medical Grade viscosity standards provide certified dynamic viscosity data at 25 and 37 °C, are dual-certified to ISO 17025 and ISO 17034 under UKAS and are ideal for the calibration and verification of viscosity measuring equipment.
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VWR® ARISTAR®, Arsenic Standard Solutions for ICP-MS
Supplier: VWR Chemicals
Arsenic Standard, 10000 mg/L, VWR® ARISTAR®, Arsenic, Matrix: 2-5% HNO₃, Application: ICP-MS standards
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VWR®, Viscosity standards
Supplier: VWR Chemicals
These standards can be used for calibration, control, verification, qualification or method validation of kinematic and dynamic viscosity measurement instruments (both manual and automatic). Each standard is certified for kinematic viscosity (mm²/s, cSt), dynamic viscosity (cP) and density (g/ml) at a range of temperatures.
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VWR® PESTINORM®, Gas Chromatography (GC) Certified Reference Material
Supplier: VWR Chemicals
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.
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VWR® ARISTAR®, Rubidium Standard Solutions for ICP-MS
Supplier: VWR Chemicals
Rubidium Standard, 1000 ppm, VWR® ARISTAR®, Rubidium, Matrix: 2-5% HNO₃, Application: ICP-MS standards
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VWR®, Standards for water determination by the Karl Fischer method
Supplier: VWR Chemicals
The tightening of regulatory requirements and the increasing demands of QA/QC methodology is becoming more important across all market sectors. The demand for standards to support testing methods continues to increase, and this growth applies to water determination according to Karl Fischer. Avantor now offers a complete range of Karl Fischer water standards as CRMs to calibrate and monitor equipment and check test results.
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VWR®, Hydrogen sulphite 1,000 mg/L in Water standard for ion chromatography
Supplier: VWR Chemicals
Hydrogensulphite standard solution, 1000 mg/l, VWR®, Contents: NaHSO₃HCOH in H₂O, Application: Ion chromatography standards
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VWR® ARISTAR®, Terbium Standard Solution, 10000 mg/L Tb in dil. Nitric Acid (from Tb₄O₇), Standard for ICP
Supplier: VWR Chemicals
Tb₄O₇ in HNO₃ 2 to 5%.
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VWR®, Osmolality standards
Supplier: VWR Chemicals
Avantor now offers a comprehensive range of osmolality standards as Certified Reference Materials (CRM) for the calibration of osmometers.
Intended use:
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VWR®, Cold Cranking Simulator (CCS) viscosity standards
Supplier: VWR Chemicals
High quality CCS viscosity standards are ideal for the calibration and verification of analytical equipment used in Cold Cranking Simulator (CCS) testing.
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VWR® ARISTAR®, ICP Quality Control Standard #1
Supplier: VWR Chemicals
23 Elements 5% nitric acid solution with trace of HF.