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A Primer on Vacuum Concentration

Defines vacuum concentration and discusses bumping and factors affecting solutes and evaporation rates.

Application Note: Safe Chemical Handling in the Purifier Axiom

Abstract: A new Type of Class II BSC has emerged that will simplify the selection process and provide true flexibility in modern laboratories needing both chemical and biological protection. Along with 3rd party validation in biological challenges by NSF International®, the Purifier Axiom Class II BSC was put under ASHRAE 110 containment testing for chemical hazards to verify its ability to handle chemical hazards as well as a fume hood. 

Assessing the Value of Temperature Control on Centrifugal Vacuum Concentration

Describes the effect of temperature fluctuations on protein samples and using the Refrigerated CentriVap Centrifugal Concentrator to control these fluctuations during protein purification.

Carbon Filter Capacity Application Note

This application note discusses the factors affecting the life of a carbon filter and a formula for calculating the theoretical filter life.

Concentration of Solutes: Options for the Removal of Solvents from Samples

This Labconco application note briefly discusses the various options for removing solvents including evaporation, vacuum concentration, lyophilization, reverse extraction, dialysis and precipitation.

Developing a Vacuum Concentration Protocol

Article discusses factors to consider when developing a vacuum concentration protocol including solute properties, salt concentration, solvent boiling and freezing points, vacuum pressure, temperature and surface area.

How It Works: High Containment at Low Cost

Lab Manager, September 2007 article describes why the Precise Glove Box makes sense for laboratories with a tight budget.

Inhibitory Residue Reports for LabSolutions Powder and Liquid Detergents

Labconco Benchnote Using the RapidVap Vacuum Evaporation System

Standardized Method for HPLC Identification of Mycobacteria.

Labconco Benchnote Using the RapidVap Vacuum Evaporation System

Diagnostic Preprocessing Method for Hereditary Metabolic Disorders in Newborns.

Methodologies using the Centrifugal Concentrator

A Direct Method for Sequencing of Genomic DNA using PCR from Frozen Tumor Tissue, The Use of Centrifugal Concentrators for HPLC Work with Isocyanates, The Use of Centrifugal Concentrators with Formaldehyde, Recovery of Tetrachlorodibenzodioxin and Furans.

Methodologies using the Freeze Dryer

Approximate Freeze Drying Times, Procedure for Freeze Drying Fish Samples for Volatile Substances Using a 4.5 Liter Freeze Dry System, Extraction and Analytical Method for "Microcystin LR" in Cyanobacteria Samples, General Freeze Dry Application for Snake Venom and Other Small Volume Samples of 0.4 ml or Less, Freeze Drying Fungi, General Freeze Dry Application for Monitoring Soil Samples, Freeze Dry Applications for Monitoring Anti-Cancer Drugs and Freeze Drying Mango Powder.

Methodologies using the Rapid Digestor and RapidStill II

Rapid Kjeldahl Methodology for the Determination of Nitrogen in Paper Products; Rapid Kjeldahl Methodology for the Determination of Total Kjeldahl Nitrogen in Water; Rapid Kjeldahl Methodology for the Determination of Nitrogen in Meat Products; Rapid Kjeldahl Methodology for the Determination of Nitrogen in Feeds, Foods, Grains, Cereals and Grasses; Rapid Kjeldahl Methodology for the Determination of Protein Content in Milk.

Methodology using the Micro Digestor

Determination of Arsenic in Urine, Hair and Nail Samples

OI Analytical Applications Notes using RapidVap N2 Evaporation Systems and RapidVap Vacuum Evaporation Systems

Includes Application Note 16820301: Evaluation of a New Gel Permeation Chromatography (GPC) System for Sample Cleanup Prior to GC or GC/MS; Application Note 19230603: Post-extraction Gel Permeation Chromatography Cleanup of Animal Liver Prior to HPLC Analysis For Anticoagulant Rodenticides; Application Note 20540204: Using the GPC AutoPrep 2000 System for Cleanup of Olive Oil Prior to Pesticides Analysis by GC/XSD or GC/PFPD; Application Note 22410205: Evaluation of Several Solvents for Post-Extraction Gel Permeation Chromatography Cleanup for Pesticides in Animal Fats; Application Note 22420305: Optimization of Evaporation and Concentration Parameters Prior to Analysis for Pesticides by GC/XSD or GC/PFPD; Application Note 22420405: Optimization of Evaporation and Concentration Parameters Prior to Analysis for Pesticides by GC/XSD or GC/PFPD.

OI Analytical Article

"Pesticide Analysis ... From Soup to Nuts" referencing RapidVap N2 Evaporation Systems

RapidVap Vertex Dry Evaporator Application Notes

Describes the method of using the RapidVap Vertex per US EPA Method 8270, US EPA Method 550.1 and US FDA LIB No.# 4438.

Using Labconco's RapidVap N2 System for Evaporation per EPA Method 8081

Describes the concentration of various organochlorine pesticides in extracts from solid and liquid matrices using the RapidVap N2 Evaporation System.

Using Labconco's RapidVap N2 System for Evaporation per EPA Method 8270

This application note shows results of testing conducted by Heritage Environmental Services using the RapidVap N2 Evaporation System.

Using Labconco’s RapidVap N2 System for Evaporation per EPA Method 8082

Describes the concentrations of polychlorinated biphenyls (PCBs) as Aroclors or as individual PCB congeners in extracts from solid, tissue and aqueous matrices using the RapidVap N2 Evaporation System.