Borosilicate glass vs Soda Lime glass vs Pyrex – what is the difference?
Q: Lots of lab glassware states the type of glass it is made of – Pyrex, Borosilicate Glass or Soda…
Author: Sophie Bryant
How do turbidity meters work? What does ratio and non ratio mean in a turbidity meter?
Turbidity meters are used to quickly measure the turbidity (or cloudiness) of water, caused by suspended solid particles. Understanding how…
What equipment do I need to perform a vacuum filtration?
Filtration under vacuum, also known as Büchner filtration, is commonly used to isolate the solid precipitate from a solution. This…
Where can the WTW reagent free COD method be used? How does reagent free COD compare to standard methods?
WTW has developed an innovative reagent free system to measure COD, Nitrate and Nitrite without the need for vials. The…
What is sodium error or Na error in a pH electrode?
Q: I am looking to buy a pH electrode, many of them say “Na error over…” – what does this…
Which filters are best to prepare samples for heavy metals analysis?
Filtering water samples before ICP-MS or HPLC analysis for heavy metals testing is good practice – to help protect these…
How to install the W4000 Bibby Merit Water Still
The W4000 Bibby Merit Water Still is a great option for labs needing small quantities of distilled water. The still…
Which filter should I use for suspended solids tests?
Suspended solids tests are conducted as a water purity indicator, and to form part of discharge consent. The gravimetric method…
How to connect the anti static set for Burkle pumps
The anti-static set for Burkle pumps is essential when decanting flammable liquids. Without a properly earthed system static charge can…
How can I test Fats, Oil and Grease (FOG) in water and wastewater?
In the UK alone, there are around 200,000 sewer blockages per year – with an estimated 75% of these caused…
How to work out the thread size on a bottle, barrel or container
If you are looking for a pump to dispense liquid from a bottle or barrel, you may need to know…
Why is silicone oil important in turbidity meter measurements?
Q: Our turbidity meter comes supplied with a bottle of silicone oil. What is this for? Why is it important…