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The Laboratory People

Camlab's blog and information database

Tag: science

Jenway 370 pH meter

What is the mV mode on my pH meter used for?

May 24, 2019November 1, 2022 Karen Lemon

  Many pH meters also have a separate reading range which gives results in mV. This can be used for a range…

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Vacuum Filtration setup

What is the difference between gravity and vacuum filtration?

March 12, 2019October 31, 2022 Karen Lemon 1 Comment

There are two types of filtration which are commonly used in the laboratory and it is important to select the…

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Vacuum Filtration

What equipment do I need to perform a vacuum filtration?

July 17, 2018November 1, 2022 Sophie Bryant

Filtration under vacuum, also known as Büchner filtration, is commonly used to isolate the solid precipitate from a solution. This…

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HVAC

Q. How do we identify which type of glycol we have in our HVAC system?

January 26, 2018November 3, 2022 Karen Lemon

A. Yes it is possible to differentiate between ethylene glycol and propylene glycol using  both refractive index and  specific gravity….

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PH Measuring

What to do when your pH meter does not measure pH properly

September 26, 2017November 3, 2022 Karen Lemon

pH meters are wonderful devices until they go wrong. You are then left with your sample sitting on the bench…

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thread adapters

How to work out the thread size on a bottle, barrel or container

May 17, 2017November 3, 2022 Sophie Bryant 1 Comment

If you are looking for a pump to dispense liquid from a bottle or barrel, you may need to know…

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testing pH of river water

What is ATC on a pH meter?

January 23, 2017November 1, 2022 Sophie Bryant

Q: What is ATC on a pH meter? Should I be looking for a meter that has this?

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How can I measure the caffeine content in drinks?

How can I measure the caffeine content in drinks?

June 29, 2016October 31, 2022 Sophie Bryant 18 Comments

How can I measure the caffeine content in drinks? Caffeine is a naturally occurring molecule found in various plants worldwide,…

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Sodium Choloride

How can I test Sodium? Is there a test kit for sodium?

March 2, 2016October 31, 2022 Sophie Bryant 9 Comments

Testing for Sodium is often required in food or blood samples. Some water samples may need to be tested, particularly…

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Clean Water

What are the differences between Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD)?

June 19, 2015November 3, 2022 Emma Atkin

Ask the expert: What are the differences between Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD)? Answer: Both COD and…

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SevenCompact Benchtop pH meter

What are the key steps in measuring pH? Why do I need to calibrate?

February 11, 2015November 1, 2022 Sophie Bryant

pH is a useful parameter which is used across all industries for quality control, environmental monitoring, lab work and much…

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chilling circulator

Temperature Control of Experiments and Equipment – how do you keep your cool?

November 25, 2014November 1, 2022 Sophie Bryant 1 Comment

Maintaining a constant temperature is vital in many processes to ensure consistency and safety. This can be difficult in a…

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