13842 个结果符合：“Certified Reference Materials, KLEN”

Supplier: VWR Chemicals

These ISO 17025 and ISO 17034 certified general purpose viscosity standards provide certified kinematic viscosity, dynamic viscosity and density data across temperature ranges from 20 to 100 °C.

Supplier: VWR Chemicals

Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis that are designed for grading the colour of similarly coloured liquids, such as resins, varnishes, lacquers, drying oils, fatty acids, lecithin's, sunflower and linseed oil.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

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.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: Thermo Fisher Scientific

CAS No.: 3625-57-8

Supplier: CYTIVA PALL

Exceptional chemical and temperature compatibility. Ideal for filtration of gas and organic solvents. Prevent spurious peaks on chromatograms allowing accurate experimental results. HPLC certified for low level of UV-absorbing extractables.

Supplier: VWR Chemicals

Complete range of reagents and standard solutions in Chapters 2 and 4 of the current European Pharmacopoeia.
All are manufactured and tested in compliance with the Ph. Eur. and are supplied with detailed Certificates of Analysis showing batch number, and expiry date.

Supplier: HACH

For accuracy checks in colour determinations.

Supplier: Thermo Fisher Scientific

Ion calibration solution are mixtures of highly purified ionizable molecules specifically designed for negative mode calibration of ion trap and orbitrap instruments.

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.

Supplier: MERCK MILLIPORE

Certipur® colour reference solutions are developed for ‘Method 1’ as described in chapter 2.2.2 of the European Pharmacopoeia.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: VWR BRAND PRIVATE LABEL USA

白色尼龙毛刷，带塑料柄
非常适合清洁玻璃烧杯和其它圆筒形实验室器具。

Supplier: VWR Collection

VWR® paper weighing boats are a first in eco friendly laboratory consumables.

Supplier: Thermo Fisher Scientific

Alizarin red S (sodium salt), pure, certified

Supplier: MERCK MILLIPORE

Merck products offer high quality for applications in the microbiology field.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

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.

Supplier: U.S. PHARMACOPEIA

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

Supplier: U.S. PHARMACOPEIA

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

Supplier: U.S. PHARMACOPEIA

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

Supplier: U.S. PHARMACOPEIA

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

Supplier: U.S. PHARMACOPEIA

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

Supplier: U.S. PHARMACOPEIA

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

Supplier: U.S. PHARMACOPEIA

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

Supplier: U.S. PHARMACOPEIA

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.