Nature and Types of Ion Exchange Resins
Explains what ion exchange resins are, their physical properties, and the four main resin types, along with their common laboratory applications.
General Topics
Browse all General Topics articles, guides, and protocols.
Which Laboratory Distillation Process will meet my requirement?
Compares simple, fractional, steam, vacuum, and azeotropic distillation methods to help determine which laboratory distillation technique suits a given mixture.
Differences between Verification, Calibration and Validation
Read our blog to learn the differences between verification, calibration, and validation.
Handling and disposal of toxic laboratory chemicals
Covers safe handling and disposal of toxic laboratory chemicals, including storage, personal hygiene, protective equipment, and disposal procedures.
Should negative research findings be rejected outright?
Explains why negative research findings should be re-verified, not dismissed, citing historical anomalies that led to real scientific discoveries.
Time for review of analytical chemistry course curriculums
Argues analytical chemistry curriculums need review, since most syllabi remain theoretical and outdated, and calls for more industry-oriented training.
Understanding differences between solutions, emulsions, colloids and dispersions
Read the blog to find the difference between emulsion and suspension and solutions and colloids.
How to ensure reliability of your pH measurements?
Practical tips for reliable pH measurements, covering electrode storage, rinsing vs wiping, temperature matching, buffer replacement, and electrode replacement.
What are laboratory standards and reference materials?
Explains laboratory standards, reference materials, and certified reference materials, and their role in calibration and measurement traceability.
Water purity grades for laboratory use
Explains laboratory water purity grades, from tap and distilled to deionized and ultrapure Type-I to Type-III water, and their appropriate analytical uses.
How to make your scientific writing more effective?
Tips for writing effective scientific communications, including grant applications, journal papers, and theses, tailored to each reader's expectations.
Measurement of Gas volumes in Laboratories
Explains common laboratory methods for measuring gas volumes, including water displacement, syringe displacement, density weighing, and flow-rate measurement.
Laboratory Cryogens and their uses
Overview of laboratory cryogens, including liquid nitrogen, liquid helium, and dry ice, covering their properties, handling, and uses in cooling and spectroscopy.
Differences between Primary and Secondary reference standards used for analytical work
Explains the difference between primary and secondary reference standards in analytical work, plus their uses, storage, and handling precautions.
Essential considerations in moisture determination by Karl Fischer titration
Details considerations for moisture determination by Karl Fischer titration, covering reaction cell prep, sample homogeneity, buffering, and calibration.
Can analytical instruments be operated continuously without breaks?
Examines why automated analytical instruments cannot run continuously without interruption, covering safety shutdowns, recalibration needs, and scheduled maintenance.
Training on Advanced Analytical Techniques in pharmaceutical and food products testing for trainees from EFMHACA, Ethiopia, April 10- 21, 2017
A photo recap of an April 2017 training program on method validation, spectroscopy, HPLC, GC-MS, LC-MS and AAS for laboratory chemists from EFMHACA, Ethiopia.
Training on Basic Analytical Techniques and Microbiological testing for trainees from EFMHACA, Ethiopia 20th March- 31st March, 2017
A photo recap of a March 2017 basic analytical techniques and microbiology testing training program held in New Delhi for trainees from EFMHACA, Ethiopia.
Essential measures for prevention of harm from laboratory chemicals
Outlines measures for preventing harm from laboratory chemicals, covering glove and eyewear selection, fume hood use, and inhalation/ingestion precautions.
How laboratory chemicals gain entry into your body?
Details the four routes, skin or eye contact, inhalation, oral ingestion, and injection, through which laboratory chemicals can enter the body and cause harm.
What specifies the flammability characteristics of laboratory solvents?
Explains the flashpoint, auto-ignition temperature, and explosive limits that determine when laboratory solvents can ignite or explode.
Essential considerations for working alone in laboratories
Safety guidelines for laboratory staff working alone, covering pre-approved procedures, check-in/check-out logs, emergency contacts, and exit awareness.
Suggested guidelines for leaving the laboratory
Lists pre-departure safety checks for laboratories, including gas lines, heating devices, reagent bottles, spills, and the exit register.
Critical role of Method Validation in Chemical Analysis
Explains method validation in chemical analysis, covering selectivity, accuracy, precision, detection limits, linearity, and robustness before adoption.