4075 Results for: "VWR Chemicals"

Supplier: VWR Chemicals

Sodium perchlorate monohydrate 98.0-102.0%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals

Trifluoroacetic acid ≥99.9%, HiPerSolv CHROMANORM® for LC-MS

Supplier: VWR Chemicals

Water Reag. Ph. Eur. 1095506 nitrate-free

Supplier: VWR Chemicals

Ammonium acetate ≥99%, HiPerSolv CHROMANORM® for LC-MS

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 Chemicals

Acetic acid 99% ≥99%, HiPerSolv CHROMANORM® for LC-MS

Supplier: VWR Chemicals

LC-MS additives are selective chemicals that are commonly added to the mobile phase in LC-MS. The objective is usually to improve the signal quality, but they can also be used to suppress unwanted signals or selectively enhance the signal of specific compounds in a mixture

Supplier: VWR Chemicals

Solutions prepared from AnalaR® NORMAPUR® grade analytical reagents.

Supplier: VWR Chemicals

pH Buffer solution, Borate, pH value: 9,18, Reference temperature: 25 °C, VWR®, Neutral

Supplier: VWR Chemicals

Hydrochloric acid 34%, NORMATOM® for trace metal analysis

Supplier: VWR Chemicals

Ammonium formate ≥99%, HiPerSolv CHROMANORM® for LC-MS

Supplier: VWR Chemicals

LC-MS additives are selective chemicals that are commonly added to the mobile phase in LC-MS. The objective is usually to improve the signal quality, but they can also be used to suppress unwanted signals or selectively enhance the signal of specific compounds in a mixture

Supplier: VWR Chemicals

Hydrochloric acid 29 - 31%, NORMATOM® for trace metal analysis

Supplier: VWR Chemicals

Silver diethyldithiocarbamate analytical reagent

Supplier: VWR Chemicals

Nitric acid 67%, NORMATOM® for trace metal analysis

Supplier: VWR Chemicals

Formic acid ≥99%, HiPerSolv CHROMANORM® for LC-MS

Supplier: VWR Chemicals

Methylene blue tablets are used for preparing methylene blue solution for the bacteriological examination of graded milks.
These VWR Methylene Blue Milk-Testing tablets are guaranteed to possess the essential qualities of complete solubility and uniformity

Supplier: VWR Chemicals

Hydrochloric acid 37%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent

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).

Supplier: VWR Chemicals

2-Phenoxyethanol 99.0-100.5% Ph. Eur.

Supplier: VWR Chemicals

Water, NORMATOM® for trace metal analysis

Supplier: VWR Chemicals

These reagents are ideal for water determination including the analysis of aldehydes and ketones.

Supplier: VWR Chemicals

Ammonium sulphide 20% in aqueous solution, AnalaR NORMAPUR® analytical reagent

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: VWR Chemicals

2-Propanol ≥99.9%, HiPerSolv CHROMANORM® for LC-MS

Supplier: VWR Chemicals

2-Propanol ≥99.7%, AnalaR NORMAPUR® Reag. Ph. Eur., ACS analytical reagent

Supplier: VWR Chemicals

This product may develop a yellow-brown colour during storage.

Supplier: VWR Chemicals

Disodium hydrogen phosphate ≥99%, GPR RECTAPUR®

Supplier: VWR Chemicals

Calcium sulphate, Drierite™ 3 mm (8 mesh) for drying, with indicator (cobalt (II) chloride)

Supplier: VWR Chemicals

Ready to use culture media for microbiological test requirements in the food industry, water, environmental control and in the pharmaceutical industry. The range is manufactured from high quality raw materials. All the culture media are manufactured using selected dehydrated bases, and comply with various standards. All media are produced using the latest technology and are subject to strict quality controls carried out by qualified microbiologists.