1345 Results for: "Certified Reference Materials, Rocklabs"

Supplier: VWR Collection

Cardboard microscope slide holders offer instant reference and fast, fingertip retrieval.

Supplier: VWR Chemicals

Solutions prepared from AnalaR® NORMAPUR® grade analytical reagents.

Supplier: VWR Chemicals

These standards are for the calibration of refractometers prior to use.

Supplier: Avantor

Ready-to-use pH buffers are manufactured in large lots to stringent specifications and utilise quality control procedures to reduce lot-to-lot variability. You can eliminate the time and expense of preparation and standardisation of solutions, helping streamline high-volume analytical work in applications such as quality control.

Supplier: VWR Collection

These one-piece PE transfer pipettes feature reference (graduation) lines at 1 and 2 ml. Pipettes are designed with a small tip to ensure consistent reproduction of the drop size.

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.

Supplier: VWR Collection

An economical range of calibration sets, with only three stainless steel weights, to meet routine calibration requirements of precision and analytical balances.

Supplier: VWR Chemicals

Organic Standard, Chloroethane 200 µg/ml in methanol, パックタイプ: Glass ampoule

Supplier: VWR Chemicals

Organic Standard, Diazinon 100 µg/ml in methanol, パックタイプ: Glass ampoule

Supplier: VWR Chemicals

Organic Standard, Benzo[a]pyrene 50 µg/ml in toluene, パックタイプ: Glass ampoule

Supplier: VWR Chemicals

Organic Standard, Chloroethylene 200 µg/ml in methanol, パックタイプ: Glass ampoule

Supplier: VWR Chemicals

Chlordane (0,02 mg/ml) and Toxaphene (0,20 mg/ml) in methanol.

Supplier: VWR Chemicals

Organic Standard, Benzene 200 µg/ml in methanol, パックタイプ: Glass ampoule

Supplier: Avantor

Specially developed for dissolution testing of pharmaceutical dosage forms and drug discovery, easy to use DILUT-IT™ concentrates can reduce overall cost of ownership in the laboratory. Just add purified water and you are ready for testing.

Supplier: VWR Chemicals

Organic Standard, Chlorpyrifos 100 µg/ml in methanol, パックタイプ: Glass ampoule

Supplier: VWR Collection

When environmental contamination is very low, and the number of samples to be performed is high, operational duration can be an important factor in the choice of SAS instrument. Two sampling heads that operate simultaneously to sample 1000 litres of air, in less than 3 minutes, is the solution.

Supplier: BDH US PRODUCED

Buffers are available as colourless and coloured solutions.

Supplier: Transene

Borosilicate glass, clear, with interchangeable stopper, USP certified.

Supplier: VWR Chemicals

Organic Standard, Aroclor 1242 (PCB-mixture, 42% chlorinated) 1,000 µg/ml in hexane, パックタイプ: Glass ampoule

Supplier: VWR Chemicals

Organic Standard, Aroclor 1260 (PCB-mixture, 60% chlorinated) 35 µg/ml in isooctane, パックタイプ: Glass ampoule

Supplier: VWR Chemicals

Organic Standard, Malathion (1,2-Bis(ethoxycarbonyl)ethyl O,O-dimethyl phosphorodithioate) 100 µg/ml in methanol, パックタイプ: Glass ampoule

Supplier: VWR Collection

All tips are made of high quality, 100% pure, virgin medical grade PP. Made in the highest quality moulds, these tips can be used whenever the work demands a higher standard. All products are tested for endotoxin (pyrogen) contamination and certified to USP results. Resins are pre-tested for metal contamination. Certificates are on file by lot number for all test results.

Supplier: VWR Collection

These liquid-in-glass thermometers feature blue organic liquid fill against lead-free white back glass. They are ideal for use in chemical laboratories, universities, scientific institutions, food and beverage processing, petrochemical laboratories, pharmaceutical/medical industry, manufacturing, dairies, breweries and distilleries.

Supplier: VWR Collection

These trousers, made of 65% polyester and 35% cotton, are HACCP certified and, therefore, suitable for use in hygienically-sensitive areas in food processing and manufacturing. They are ideal for wearing in combination with the VWR® HACCP coats.

Supplier: VWR Chemicals

This material is intended for use as an ionisation buffer for AAS

Supplier: VWR Chemicals

VWR® is a manufacturer and supplier of high quality biochemicals and reagents for molecular biology, life sciences, proteomics, clinical and histology areas of research.

Supplier: VWR Chemicals

The ingredients used to prepare culture media are very important, because ultimately the results depend on the quality of these compounds. Raw materials should be stored at 10 to 30 °C unless otherwise stated, in their closed containers in a dry environment.

Supplier: VWR Chemicals

Yeast Nitrogen Base (YNB) is a base medium for preparation of minimal and synthetic defined yeast media.

Supplier: VWR Chemicals

Starting materials: Copper sulfate R / Citric acid R / anhydrous Sodium carbonate R / Water R

Supplier: Avantor Fluid Handling

Full material traceability to ensure process integrity.