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Posts tagged 'water hardness'

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How can I measure the Langlier Saturation Index (LSI) of water samples?

The Langlier (or Langelier) Saturation Index, LSI, of water indicates whether hard water will precipitate Calcium Carbonate deposits, dissolve Calcium Carbonate or be in equilibrium based on it's pH value and the saturation pH. [caption id="attachment_11445" align="aligncenter" width="396"] Hard water holding Calcium Carbonate and other minerals can deposit these as solids when the LSI value...

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The NEW Controlled Rate Freeze Thaw from Grant Instruments

Grant have introduced the new Controlled Rate Freeze Thaw (CRFT), which is a liquid nitrogen and cryogen free controlled rate freeze and thaw system for cryopreservation in a wide range of applications. Cryopreservation is a process where biological materials such as cells, tissues...

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Camlab Honoured with Feefo Trusted Service Award for 2024

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Dipslides - All you need to know

A dipslide is a means of testing the microbial content of liquids. This is a common method of monitoring and measuring microbial activity within many systems and commonly cooling systems. Usually the use of a dipslide is the first line of defence for the testing of microbial issues that could be...

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Medical or surgical nitrile gloves are finally confirmed by HMRC to be eligible equipment for medical research

Purchasing items using donated funds without the burden of VAT will now save many Millions of pounds each year which can be put to better use in advancing scientific knowledge to provide new treatments and cures that will shape the medicines of the future.

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DWK safety blog - working safely with pressure

Working with pressure/vacuum conditions in the lab is common but not all products are designed to withstand this. Products with appropriate geometry and wall thickness are suitable for working safely with pressure. For example, filtering flasks, desiccators, or flat flange vessels, as well as...

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