What is the mV mode on my pH meter used for?
Many pH meters also have a separate reading range which gives results in mV. This can be used for a range…
Tag: science
What is the difference between gravity and vacuum filtration?
There are two types of filtration which are commonly used in the laboratory and it is important to select the…
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…
Q. How do we identify which type of glycol we have in our HVAC system?
A. Yes it is possible to differentiate between ethylene glycol and propylene glycol using both refractive index and specific gravity….
What to do when your pH meter does not measure pH properly
pH meters are wonderful devices until they go wrong. You are then left with your sample sitting on the bench…
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…
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 can I measure the caffeine content in drinks?
How can I measure the caffeine content in drinks? Caffeine is a naturally occurring molecule found in various plants worldwide,…
How can I test Sodium? Is there a test kit for sodium?
Testing for Sodium is often required in food or blood samples. Some water samples may need to be tested, particularly…
What are the differences between Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD)?
Ask the expert: What are the differences between Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD)? Answer: Both COD and…
What are the key steps in measuring pH? Why do I need to calibrate?
pH is a useful parameter which is used across all industries for quality control, environmental monitoring, lab work and much…
Temperature Control of Experiments and Equipment – how do you keep your cool?
Maintaining a constant temperature is vital in many processes to ensure consistency and safety. This can be difficult in a…