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…
Tag: laboratory
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 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…
The Top 5 ways to assess Lab equipment and instruments before you buy
If you’re looking at new lab equipment or instruments, you will probably shop around and research the options before you…
How Memmert Peltier units save energy and improve accuracy vs traditional compressor type appliances
Memmert launched their first peltier cooled incubator, the IPP model, in 2000 and followed with the contant climate chambers, HPP…
What gloves are suitable for RNAse free environments?
Simply wearing gloves may not provide sufficient protection against RNAse – we’ve taken a look at what precautions should be…
How should I store my micropipettes?
Many tasks in the lab rely on accurate liquid volume measurement using a micropipette. To keep the pipette accurate it…
How should I handle and care for my calibration weights?
An important part of accurate weighing is regular calibration of your balances. If you use calibration weights to perform a…
What are the adjustable fan speed and air flaps used for in Memmert ovens?
In Memmert Fan assisted ovens (UF series) the fan speed and air flap positions can be adjusted – but what…
What is a liner-less bottle? When would you choose a liner-less design bottle?
Sample storage bottles are sometimes described as “liner-less” – this means that the cap does not have an inner lining….
How can I tell if my fume cupboards and LEV systems are sufficient for keeping the air clean?
Many processes in the lab and in industrial processes give off vapours or fumes, which can be harmful to health….
Sintered disc or sintered frit filtration funnels – how to care for sintered discs? When to select a sintered disc funnel? What do sintered disc grades mean?
Vacuum filtrations using a Buchner flask and funnel with a vacuum pump are commonly used to isolate a solid of…