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Chemical Permeation Guide What is permeation? Permeation is the process by which a potentially hazardous chemical moves through a material on a molecular level. Molecules of chemical adsorb onto the outer surface of the material. They then enter a...

Alcohols From 100 mL bottles to 200 L drums Spectrum manufactures and packages alcohol in convenient laboratory-sized proportions up to commercial production scale. Where many competitors only test to USP standards Spectrum Chemical goes further t...

Contec Laboratory Disinfectants & Solutions Contec offers a wide variety of disinfectants and solutions with varying formulas and chemistries such as isopropanol quaternary ammonium peracetic acid and hydrogen peroxide to address specific disinfec...

Low Pressure Chromatography Low Pressure Chromatography Preparative or purification chromatography is used to isolate a compound in a quantity and at a purity level needed for further experiments or processes by isolating that compound from starti...

Cavity Style vs. Suction Shoe Style Pump Heads Pump-head design comparison for gear pumps This article discusses the differences between the cavity style and the suction shoe pump heads for gear pumps. Pump heads for gear pumps are available as wi...

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Pump for Flammable Liquids Guidelines Flammable liquids in a laboratory environment can pose significant fire hazards. But that doesn’t mean one can simply avoid using them. In certain cases scientific progress indicates the use of dangerous chemi...

BACKGROUND Established in 1964 the Arabian Drilling Company (ADC) is a limited liability partnership between the Indust- rialization & Energy Services Company (TAQA) which owns 51% a Saudi Joint Stock company and Services Petroliers Schlumberger S...

PIG® Hazmat Absorbents - ACID SPILLS? THINK PINK. PIG® Hazmat Mats rolls socks & pillows are specially treated to soak up spills without degrading or reacting to corrosive liquids including: Sulfuric acid Hydrochloric acid Nitric acid Hydrofluoric...

The Case for Peristaltic Pumps How operational and maintenance issues can ease with the right type of pump In real-world conditions pumps can be challenging. Some do not handle particulates some are difficult to use with high-viscosity materials o...

Syringe Filter Efficiency and Effect of Filtration on HPLC Column Life Syringe Filter Efficiency and Effect of Filtration on HPLC Column Life Introduction Background on Column Failure Test Methods Test Results and Discussion Function of Filtration...

TECHNICAL BULLETIN “Pipetting error” is a phrase that is commonly heard in research laboratories. When preparing reagent cocktails pipetting error is accommodated for. What is not typically discussed or published are the causes and ramifications o...

CHEMICAL GLOVE RESISTANCE GUIDE DEFINITION OF KEY TERMS Permeation is a process by which a chemical can pass through a protective film without going through pinholes pores or other visible openings. Individual molecules of the chemical enter the f...

Sterilizing Fittings: The Critical Factors Consider several important factors when choosing a fitting for an application: the size and connection style chemical compatibility and certification/approval requirements. These factors alone can be chal...

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Masterflex Ismatec Peristaltic Pump Selection Guide Contents Why Select Masterflex Ismatec? Selecting a Masterflex Ismatec Pump Selecting Ismatec Pump Tubing Pump System and Drive Selection by Flow Range Why Select Masterflex Ismatec? Flow rates a...