Chemicals··2 min read
How to Read a Certificate of Analysis (COA) for Chemicals
What a COA must contain, how to check it against your specification, and the red flags that should make you ask questions.
Chemicals
Articles
Chemicals··1 min read
PAC vs Alum: Choosing a Coagulant for Water Treatment
Poly aluminium chloride and aluminium sulphate both clarify water — here is how they differ in pH range, dosing, sludge and cost.
Chemicals··1 min read
Technical, Food and Pharma Grade Chemicals: What's the Difference?
The same chemical can be sold in several grades. What each grade means, where it is used and how to choose without overpaying.
Chemicals··1 min read
SDS (MSDS) Explained: What to Check Before You Order a Chemical
A safety data sheet has 16 sections. These are the ones buyers, storekeepers and transporters should read first.