HPLC Basics – principles and parameters
PRINCIPLE OF HPLC Fig. 1 Schematic layout of a HPLC system The separation principle of HPLC is based on the distribution of the analyte (sample)
Applications of HPLC in the Hydrocarbon Processing Industry
High performance liquid chromatography (HPLC) is very popular and widely used in the pharmaceutical industry but is also an important tool for the analysis of
HPLC System Care and Troubleshooting Like a Boss (PART 1)
HPLC system care and troubleshooting is an important activity in any analytical chemistry lab. Liquid chromatography systems have become real workhorses for laboratory chemical analysis,
Cleaning and Maintaining Laboratory Glassware
Even the most carefully executed experiment can give erroneous results if dirty glassware is bought to use. If the glassware that is used for measuring
Laboratory Reagents and Chemical Grades Selection Guide
Almost every laboratory uses chemicals and reagents in one form or another. Knowing where to buy them, what grade to purchase, and what labeling is
GUIDE TO BIOSAFETY IN THE LABORATORIES
What is Biosafety: The application of knowledge, techniques and equipment to prevent personal, laboratory and environmental exposure to potentially infectious agents or biohazards. Biosafety defines
Why is my LC Retention Time Shifting?
If you have experienced retention time shifts with LC, you know it can be complicated and can cause problems with quantitation if not resolved. Hopefully
BENEFITS OF USING GAS GENERATORS OVER GAS CYLINDERS
Nitrogen generators use a supply of dry, oil-free air to purify nitrogen via a selectively permeable membrane or carbon molecular sieve material which removes oxygen,
The Difference Between Distilled and Deionized Water
While you can drink tap water, it’s not suitable for most laboratory tests, preparing solutions, calibrating equipment, or cleaning glassware. For the lab, you want
ICP-QQQ
In the last decade, inductively coupled plasma triple quadrupole mass spectrometry (ICP-QQQ), also called inductively coupled plasma tandem mass spectrometry (ICP-MS/MS), has been a game
7 Amazing Uses of UV Lamps
UV Lamps have been there for more than a century. Apart from usual lighting applications, these lamps have been used in a variety of utilities
PREVENTIVE MAINTENANCE FOR LABORATORY EQUIPMENT
Laboratory workers and researchers must be cognizant that laboratory equipment can malfunction without adequate monitoring and regularly scheduled maintenance. Equipment typically does not undergo catastrophic
How and Why Hollow Cathode Lamps are used in AAS [The Definitive Guide]
The idea of this article is to cover working aspect of Hollow Cathode Lamps followed by its various advantages that fulfills Hollow Cathode Lamps’ usage
Proper Collection of Soil Samples for VOC Analysis
The procedure for the sampling and analysis of soils for volatile organic compounds (TPH GRO, BTEX, MTBE and naphthalene by GC, and volatiles by GC/MS)
Preventing Instrument Maintenance Issues and Downtime in LaboratoryWorks: Part One
Unplanned and unexpected instrument downtime in a lab means delays and frustrations that can potentially damage a lab’s reputation to reliably deliver high-quality results. Problem: Unplanned and
Useful Tips on Handling and Care of GC Capillary Columns
GC capillary columns are capable of consistent efficiency and high resolution provided adequate care is exercised during installation, conditioning and storage in this article some
The Benefits of Silica Gel Chromatography
Silica gel adsorbents are widely accepted as one of the best adsorbents that are used in column chromatography. One of the main benefits is that
Four Uses of Nitrogen Gases
Nitrogen is the 7th most abundant element found in our solar system and our atmosphere is made up of 80% nitrogen gas. Nitrogen is used
WHO releases guidelines to help countries maintain essential health services during the COVID-19 pandemic
30 March 2020 The COVID-19 pandemic is straining health systems worldwide. The rapidly increasing demand on health facilities and health care workers threatens to leave
Coronavirus disease (COVID-19) advice for the public
Stay aware of the latest information on the COVID-19 outbreak, available on the WHO website and through your national and local public health authority. Most
The (Mis)education of an Analyst (Concluding Part)
Basic Understanding of Extraction It is reasonable to assume that the next level of understanding of analytical extractions can be found in undergraduate quantitative analysis
TAKING CARE OF YOUR pH ELECTRODE
Storage: For best results, always keep the pH bulb wet, preferably in pH 4.01 buffer with 1/100 part of saturated KCl added. Obviously, this is
How Can Mattress Foam Help with Oil Spills?
In a breakthrough development that could revolutionise oil spill clean-ups around the world, a team of researchers has used cheap polyurethane foam called the Oleo
The (Mis)education of an Analyst
Nov 01, 2019 By Douglas E. Raynie LCGC North America Volume 37, Issue 11, pg 796–800 Although sample preparation is considered an enabling technology, it