You Searched For: Pocket Calculators

Calculator VWR offers a wide assortment of products and brands in this category. If you cannot find the product or brand that you are looking for in this listing please use the general search field in the top-left corner of the screen to search th...

Guide to Reading Peristaltic Pump Curves Best Efficiency Point Friction Losses Reynolds Number Friction Factor Masterflex makes every attempt to publish a representative flow versus back pressure curve. In many cases we can also furnish performanc...

Soil Soil testing can include determining the nutrient composition of the soil for agricultural purposes or contamination compounds such as arsenic mercury or lead. Sample Analysis ACE® Equivalence™ C18 HPLC Columns EPA method 505 Organohalide Pes...

Velocity-Profile Deviations Influence Flowmeter Performance Selecting the right flowmeter for the liquid By Corte Swearingen Reprinted from Chemical Processing magazine Close your eyes and imagine a world in which all fluids flowing down pipes are...

Molecular Spectroscopy Instruments Avantor Molecular Spectroscopy Avantor offers a wide range of spectroscopes equipment products and supplies that analysts in your laboratory need every day to help them to identify and measure the composition of ...

Reduce Pulsation Double Drive Output and Improve Accuracy with Double-Y Tube Sets Reduce Pulsation Double Drive Output and Improve Accuracy with Double-Y Tube Sets Double-y tube sets rely on two “Y” connections assembled to a split-channel tubing ...

Common unit converters Unit conversion is the process of converting a quantity expressed in one unit to another. This is done with conversion factors—multipliers that express the relationship between the original unit and the desired unit. For exa...

What Is Buffer Management The Role of Buffer Management in Biopharma Buffer management is important for successful production in biopharmaceutical manufacturing. Buffers help maintain the right pH and stability for the process. They are vital at d...

Tubing Life Technical Data and Selection Guidelines Selection Guidelines Tubing life performance is just one of many factors present in your pumping applications. These helpful reference charts will assist you in selecting tubing for your pumping ...

How to choose the right method of dosage for your fluid process Gravimetric vs Volumetric Ensured accuracy in the fluid dispensing or dosing system is critical to the success of many processes and experiments—from making sure the right amount of c...

Kjeldahl Analysis Kjeldahl nitrogen determinations are performed on a variety of food substances. The Kjeldahl method may be broken down into three main steps: digestion distillation and titration. 1. Digestion: is accomplished by boiling a homoge...

Wet Lab A complete line of products from VWR is available for the analytical lab including laboratory glassware plasticware filter paper fume hoods laboratory furniture laboratory hot plates and hot plate/stirrers. Some of the manufacturers we rep...

How To Reduce Pulsation in Peristaltic Pumps Some applications for peristaltic pumps are sensitive to pulsating fluid flow. Fortunately there are many things you can do to help reduce the adverse effects of pulsation. The following topics will be ...

LC Method translations and transfers: Do's & Don'ts Webinar Tuesday January 24 2023 09:00 to 10:00 EDT Replay Do you want to achieve the same chromatography in a shorter timeframe? Ever wondered why your method looks different on a different LC sy...

Avantor® ACE® Knowledge Zone We have gained an unrivalled reputation for excellent quality and competitively priced products - backed up by expert technical support and after sales service. In the Avantor® ACE® Knowledge Zone we are happy to share...

Liquid Pump Installation Information Relation of Pressure to Elevation In a static liquid (a body of liquid at rest) the pressure difference between any two points is in direct proportion only to the vertical distance between the points. Calculate...