Biosafety Level 3 (BSL-3) Ventilation Systems, ANSI/ASSP Z9.14-2020
Analyzed and studied in laboratories each day, biological agents and toxins can be invisible, malicious storms, and much like how the presence of these pathogens […]
Laboratory
ISO 5725-2:2019 – Accuracy Method For Repeatability
Through the scientific method, repeatability and reproducibility fortify accuracy. Unfortunately, differing operators, equipment, calibration, environment, and time introduce variations and potential inaccuracies in measurements. An […]
ISO 14644-3:2019, Cleanrooms & Controlled Environments, Test Methods
Excellence is expected in any industrial activity. Sometimes, this careful assuredness is an excessive welcome; a means to go beyond the bare minimum to instill […]
NFPA 45, Standard on Fire Protection for Laboratories Using Chemicals, 2019 Edition
The 2019 edition of NFPA 45: Standard On Fire Protection For Laboratories Using Chemicals has been released. Fires in Laboratories Handling Chemicals A pyrophoric material […]
Basic Cleanroom Requirements and Classifications
It’s said that cleanliness is next to godliness, but most manufacturers would be happy with knowing that their products are free from contamination. This is […]
Thermocouples: Calibration Tables, Types, Specifications, and Standards
When two dissimilar metals joined at two junctions, they generate what is known as an electromotive force (emf). This emf arises due to varying temperatures […]
Detecting Bacteria in the Food Chain: ISO 21528-2:2017
International standard ISO 21528-2: 2017: Microbiology of the food chain – Horizontal method for the detection and enumeration of Enterobacteriaceae specifies a method by which users […]
Multiple Nucleic Acid Assays
Nucleic acid testing is the fastest growing field in laboratory medicine. With a rising emphasis on genetics, scientists and physicians are looking towards an individual’s […]
Evaluation of Precision of Quantitative Measurement Procedures
Precision, accuracy, reproducibility, and repeatability are key components of the scientific method. Without precision, the validity of laboratory experiments can come into question. Because of […]
ISO 14644-2 2015 Revision of ISO 14644-2:2000
This revision of ISO 14644-2 2015 Monitoring to provide evidence of cleanroom performance related to air cleanliness by particle concentration emphasizes the need to consider a […]