2795 Results for: "VWR Chemicals"

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

Silver diethyldithiocarbamate analytical reagent

Supplier: VWR Chemicals

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

Supplier: VWR Chemicals

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

Supplier: VWR Chemicals

Nitric acid 67%, NORMATOM® for trace metal analysis

Supplier: VWR Chemicals

Hydrochloric acid 34%, NORMATOM® for trace metal analysis

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

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

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

Supplier: VWR Chemicals

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

Supplier: VWR Chemicals

pH Buffer solution, Phthalate, pH value: 4,01, Reference temperature: 25 °C, VWR®, Neutral

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

Water Reag. Ph. Eur. 1095506 nitrate-free

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

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

Supplier: VWR Chemicals

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

Supplier: VWR Chemicals

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

Supplier: VWR Chemicals

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

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

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

Supplier: VWR Chemicals

Water, NORMATOM® for trace metal analysis

Supplier: VWR Chemicals

L-Cystine dihydrochloride 98.0-102.0% for biopharmaceutical production

Supplier: VWR Chemicals

Magnesium oxide light 98.0-100.5%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals

Sulphuric acid 0.25 mol/l (0.5 N) in aqueous solution, AVS TITRINORM volumetric solution

Supplier: VWR Chemicals

Ammonium chloride 99.8-100.5%, AnalaR NORMAPUR® Reag. Ph. Eur., ACS analytical reagent

Supplier: VWR Chemicals

Mercury (II) potassium iodide solution Reag. Ph. Eur. 1071500