Posts tagged 'lab supplies'

Horiba's LAQUA Range
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Ground Water and Surface Water testing, a solution from Horiba's LAQUA Range

Testing of ground and surface water is a key part of routine testing for water companies. Depending on the need, a number of different parameters are often assessed.  The Horiba LAQUA range has a meter specifically designed for this type of analysis. The U-50 series of multi-parameter meters enables the simultaneous measurement and monitoring of up to 11 parameters with one ...
QUICKFIT® Jointed Laboratory Glassware
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QUICKFIT® Jointed Laboratory Glassware: Understanding the Different Types and when to use them

Glassware has become ubiquitous in laboratory experiments thanks to its many favourable qualities. It is inert, transparent, is chemically and heat-resistant, and available in a wide variety of shapes and sizes. From round-bottom flasks and fractionating columns to condensers, bubblers and extractors, laboratory glassware serves many functions. Thi...
Temporary Packaging Changes For Hach Powder Pillows
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Temporary Packaging Changes For Hach Powder Pillows

Hach have released the following statement around a temporary change to the printing on packs of their powder pillows. The manufacturer of the ink used on powder pillows has a component shortage, caused by a Covid-19 supply chain issue. This is temporarily affecting what is printed on powder pillows. Pillows now temporarily have only the product identifier (i.e.) M# printed on them. •Th...
Kimberly-Clark's Rightcycle programme
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How To Reduce Your PPE waste with Kimberly-Clark's Rightcycle programme

Did you know that PPE can make up to 20% of a lab's solid waste? Becoming more environmentally sustainable is a target for many labs and the sheer volume of single use plastics and PPE you are using may be a huge road block in achieving this. Global PPE manufacturer Kimberly-Clark have listened to their customers concerns and have created the RightCycle Program. What is the RightCycle Pr...
What are the Advantages of Sieving?
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What are the Advantages of Sieving?

What is a Test Sieve A test sieve is an instrument that is used for the measurement of particle size. In its most common form, it consists of a woven wire screen, with square apertures, rigidly mounted in a shallow cylindrical metal frame. For coarse sieving, a perforated plate screen with square or round holes may be used in place of wire mesh. Square hole perforated plate sieves range d...
How to Calibrate the Hach LDO Probes
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How to Calibrate the Hach LDO Probes

Let us first look at the probe. The Hach dissolved oxygen probes are equipped with a measuring LED that emits a pulse of blue light and a photodiode as a light detector. The probes are also equipped with a sensitive luminescent coated spot that is exposed to the sample. The measuring LED emits a pulse of blue light which irradiates the back of the oxygen-sensitive spot. The coating mate...
Laboratory Glassware
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A quick guide to Classifications of Laboratory Glassware

Volumetric Glassware Laboratory glassware can be manufactured from Borosilicate and Soda-lime glass. Soda lime glass  is generally used for Class B products or where long term exposure to chemicals is unlikely. Class A Borosilicate volumetric glassware has superior thermal and chemical resistance and is better suited to glassware for storage of solutions, e.g. flasks. The use of  Class A boros...
How can I measure Turbidity?
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How can I measure Turbidity?

Turbidity measures the cloudiness/haziness of a fluid. It is a key test for water quality, turbidity is caused by particles of varying size scattering/absorbing the light and creating a cloudy appearance. The turbidity of a sample will increase with the amount of undissolved solids present. Turbidity Tubes and Secchi Disks The simplest and lowest cost way to measure the turbidity of a sample ...
Vacuum Filtration
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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 correct type for the work you are doing. But what is the difference between gravity and vacuum filtration? How do you choose what type of filtration you need to do? And what equipment do you need for each type? Vacuum Filtration - also known as Buchner filtration - for when you nee...
Vacuum Filtration
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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 technique is used in syntheses, for example when a reaction has yielded a solid, or in analyses including gravimetric analysis of suspended solids. Although performing the filtration is simple, several pieces of equipment are needed which must all fit together, so...
pH meter
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What to do when your pH meter does not measure pH properly

[caption id="attachment_9145" align="alignright" width="150"] PH Meter[/caption] pH meters are wonderful devices until they go wrong. You are then left with your sample sitting on the bench and in some instances, not knowing what is wrong. The following questions and answers are designed to help you diagnose the problem. My pH meter won't give a fixed reading – is drifting or providing erratic...
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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 thread size of the container neck. Sometimes this will be written on the inside of the cap, or given in the specifications of the product. However if the thread size is unknown is it simple to work out by measuring it yourself, as explained below. [caption id="attachment_11593" align="aligncent...
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