How does soil pH affect plant growth? How can I measure soil pH?
The pH or acidity of the soil can be a key factor in ensuring strong and healthy plant growth. While…
Month: January 2017
Complying to USP39 – Storing light sensitive liquids
Certain liquids are light sensitive, their molecules have weak bonds that can break apart when exposed to light and make…
What are the temperature limits for Pyrex glassware?
Q: What is the highest and lowest temperature that Pyrex glassware should be exposed to?
What is ATC on a pH meter?
Q: What is ATC on a pH meter? Should I be looking for a meter that has this?
How much water do I need to add to my COD vials?
A chemical oxygen demand (COD) test is used to measure the amount of organic compounds in a water sample. It…
Hach launch new chemkey parameters for their Portable Parallel Analyser
In 2014 Hach brought out the Portable Parallel Analyser (PPA) SL1000, a unit with innovative technology which dramatically streamlines water…
Hach 2100N and 2100AN Turbidimeters replaced by new TL23 series
The popular 2100N and 2100AN series of turbidimeters (turbidity meters) are being phased out and discontinued. They are replaced by…
Steam generation in Autoclaves explained
Autoclaves sterilise objects or media in their chamber by exposing them to a high temperature, typically 121oC, and steam pressurised…
What type of Autoclave would suit my needs?
There are a number of key points to consider when choosing what type of autoclave to go for: What is your laboratory’s…