1265 검색 결과: “Certified Reference Materials, Rocklabs”
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®, Sulphur, Certified Reference Materials, in heavy mineral oil
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®, Perfluorooctane sulphonic acid, Certified Reference Material (CRM)
Supplier: VWR Chemicals
Per- and polyfluoroalkyl substances (PFAS) are amongst the primary emerging contaminants of concern. The detection and quantification of known PFAS and the discovery of unknown PFAS substances has never been more important.
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VWR®, Sulphur, Certified Reference Materials, in isooctane
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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15 ~ 25 °C 상대 밀도 표준
Supplier: VWR Chemicals
이 범위의 상대 밀도 표준은 기본 수준의 ASTM D1480 방법론에 따라 인증되었으며 UKAS 인증에 따라 ISO 17025 / ISO 17034에 대해 이중 인증을 받았습니다. 상대 밀도 표준은 15 ~ 25°C 범위 내에서 원하는 테스트 온도에서 재료의 밀도 및 상대 밀도를 측정하는 데 사용되는 기기의 교정 또는 검증을 위해 설계되었습니다.
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VWR®, Sulphur, Certified Reference Materials, in light mineral oil
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®, COD calibration standards, Certified Reference Materials (CRMs)
Supplier: VWR Chemicals
Avantor now offers a complete range of COD (Chemical Oxygen Demand) calibration standards (traceable to BAM) as CRM with concentrations between 20 and 10000 mg/L. Can be used to calibrate, control, verify or validate all COD test methods.
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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®, Flash point reference standard, Cleveland Open Cup
Supplier: VWR Chemicals
COC flash point standards are tested and certified in accordance with ASTM D92 'Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester.'
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VWR®, UV/Visible spectroscopy wavelength standards
Supplier: VWR Chemicals
Wavelength standards (certified at 0,1; 0,2; 0,5; 1 and 2 nm slit widths) packed in six permanently sealed UV cuvettes or 100 ml amber bottles.
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VWR®, Flash point reference standard, Pensky Martens
Supplier: VWR Chemicals
PMCC flash point standards are tested and certified in accordance with ASTM D93 'Standard Test Method for Flash Point by Pensky Martens Closed Cup Tester - Procedure A'
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전도도 표준 솔루션
Supplier: VWR Chemicals
전기화학적 분석에 필요한 모든 요구사항을 충족하기 위한 1,3 ~ 500000 µs 범위의 값을 가진 인증된 제어 표준의 전체 범위.
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VWR®, Viscosity check oils
Supplier: VWR Chemicals
The viscosity values for certified viscosity check oils have been tested and certified at typical blend targets. These check oils are for validating the performance of cold cranking simulator and kinematic viscometers by measuring commercially available formulated engine oils.
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VWR®, Conductivity standard 1000 µS/cm (25 °C; 0,007 mol/L; KCl) for conductivity measurement
Supplier: VWR Chemicals
Directly traceable to NIST, tested and certified to ISO17025.
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ODE NSF-Certified Two-Way Solenoid Valves
Supplier: Avantor Fluid Handling
Wetted materials fully compliant with NSF standards to ensure water and food safety.
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Hydrochloric acid concentrate for dilution to 0.1 mol (0.1N), DILUT-IT® dissolution media concentrate, J.T.Baker®
Supplier: Avantor
DILUT-IT dissolution media concentrates are produced from raw materials in accordance with USP/EP/BP/JP guidelines under validated processes in Avantor Performance Materials' ISO certified manufacturing facilities
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Iodine trichloride (Wijs'reagent) for determination of iodine value, traceable to NIST Standard Reference Material (SRM)
Supplier: VWR Chemicals
Iodine trichloride (Wijs'reagent) for determination of iodine value, traceable to NIST Standard Reference Material (SRM)
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Sodium hydroxide 0.2 N, BAKER ANALYZED® volumetric solution, J.T.Baker®
Supplier: Avantor
Standardistion at 25 °C traceable to NIST Standard Reference Material.
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Sodium hydroxide 2 N, BAKER ANALYZED® volumetric solution, J.T.Baker®
Supplier: Avantor
Standardisation at 25°C traceable to NIST Standard Reference Material.
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Sodium hydroxide 1 N in aqueous solution, BAKER ANALYZED®, Laboratory Reagent volumetric solution, J.T.Baker®
Supplier: Avantor
Standardisation at 25°C traceable to NIST Standard Reference Material.
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Sodium hydroxide 0.1 N, BAKER ANALYZED® volumetric solution, J.T.Baker®
Supplier: Avantor
Standardisation at 25 °C traceable to NIST Standard Reference Material.
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Sodium hydroxide 0.25 N, BAKER ANALYZED® volumetric solution, J.T.Baker®
Supplier: Avantor
Standardisation at 25 °C traceable to NIST Standard Reference Material.
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VWR® Spark-Free Freezers, –25 ℃, ATEX Certified
Supplier: VWR Collection
Designed to meet the demands in daily laboratory use, storage of biological products and storage of flammable materials.
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Sodium hydroxide 4 N in aqueous solution, BAKER ANALYZED® volumetric solution, J.T.Baker®
Supplier: Avantor
Standardisation at 25 °C traceable to NIST Standard Reference Material.
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VWR®, Redox (ORP) Standards
Supplier: VWR Chemicals
Avantor offers a wide range of REDOX (ORP) standards, which are produced from high quality reagents.These reference materials can be used as control standards to check the functionality of both the elextrodes and the measuring instruments. The values are temperature dependent, so it is important to control the environment of the measurement. A table of temperatue and corresponding Redox value is available on both the label and the batch specific certificate.
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VWR®, High Performance Blender Bags
Supplier: VWR Collection
Complete range of bags, sterile and alimentary certified, for safe and quick preparation of solid samples before microbiological and chemical analysis. Bags are resistant for three minutes blending (frequency 4 t/second). They fit all conventional 400 ml laboratory blenders, and are adapted to all samples.
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VWR® PCR DNA Marker
Supplier: VWR Chemicals
PCR DNA Marker™ offers 8 fragments ranging from 50 to 2000 bp. The marker contains high intensity reference bands that are ideal for quick sizing of PCR products and restriction digests. Simply mix 10 μl of PCR DNA Marker™ with required quantity of loading buffer and load into well. There is sufficient material for 100 assays.
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VWR® Traceable®, Light Meter, Dual-Display
Supplier: VWR Collection
Dual-displays show lux or foot-candles, or percent differential from a reference point, and the selected light source (daylight, tungsten, fluorescent or mercury). Traceable® light meter can be connected to a computer or data logger for monitoring and keeping results. To ensure accuracy, an individually serial numbered Traceable® certificate is provided from ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology).
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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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EDTA disodium salt dihydrate 0.1 M, BAKER ANALYZED® volumetric solution, J.T.Baker®
Supplier: Avantor
Standardisation at 25°C traceable to NIST Standard Reference Material.