Laboratory water purification solutions for science, research and analysis

Every Purite system is designed to meet the needs of specific applications, providing high levels of water quality, consistency and reliability using a wide range of advanced technologies.

Purite systems are compact, robust, simple to use and easy to maintain. Available in various standard models: Analyst, HP, Purewater 300, Fusion, HPA 30 and Neptune Ultimate.

Also available is the Labwater 1&2 – simple, cost effective methods of producing 10-1μS.cm purified water at low volumes.  They have easily replaceable cartridges containing a colour changing resin to show when it needs replacing.  Typically wall mounted & connected via a dedicated hose to a tap or stopcock and operate direct from water pressure requiring no external electrical supply.

Download our flyer here or contact us for more information or to request a demonstration.

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Contact us today with your requirements.    Click here to download the full brochure

 

Hydranal™ Reagents for Water Determination by Karl Fischer Titration.

Download the Hydranal brochure now for more information

Save 10% off Hydranal list prices

Hydranal is a line of titration reagents and standards designed for accurate water determination. If you work in an industry where it’s important to know the precise water content of your samples, Hydranal can help you achieve that accuracy. By using Hydranal products, you can streamline your titration process, improve the reproducibility of your results, and have confidence in the quality of your measurements. Hydranal can help you make informed decisions based on reliable data, which can ultimately save you time, money, and resources.

Original and Accurate Hydranal Karl Fischer Reagents

Leading the way in innovation and safety since 1979, Hydranal reagents for Karl Fischer (KF) titration have been recognized as the most trusted brand in the industry.

The Hydranal portfolio is made up of methanol and ethanol-based KF reagents free from pyridine. Reagents for volumetric and coulometric application are completed by a wide range of standards and auxiliaries.

 

 

Advantages of HYDRANAL Reagents:

• High titration speed
• Stable end points
• Accurate results
• Long shelf life
• Wide applicability
• World leading technical support

HYDRANAL-Composite

Hydranal-Composite is the world‘s most frequently used pyridine-free Karl Fischer reagent. This one-component reagent has been proving its capabilities in volumetric titration for more than thirty five years in a large range of applications in the most diverse fields of research and industry. Ongoing development work has achieved significant improvements to this reagent.

Advantages of HYDRANAL One-Component Reagents:

• Unlimited water capacity
• Convenient and easy to use
• The greatest flexibility in working media selection
• Suitable for methanol-reacting compounds, e.g. ketones and aldehydes
• Long shelf life (three years)

HYDRANAL-Water Standards

Quality management plays an important role in Karl Fischer titration. Calibration, validation and inspection of analytical instruments and reagents is performed with a specific amount of water, either pure water or water standards. The challenge with pure water is the low amount required (10-50 mg for volumetry, and 0.1-1 mg for coulometry), which is difficult to handle and weigh.

Advantages of HYDRANAL-Water Standards:

• Broad product range for volumetric and coulometric Karl Fischer applications
• Manufactured according to current ISO requirements
• Tested against NIST SRM 2890
• Long shelf life (up to five years)
• Convenient packaging
• Supplied with detailed instruction for use
• Report of Analysis showing the exact water content is included

If you are looking to improve your Karl Fischer titration performance, the team of Hydranal experts can support you with:

• Selecting the most suitable Karl Fischer reagents for your samples
• Recommending application methods
• Troubleshooting technical problems (solubility, side reactions, etc.)
• Technical Karl Fischer seminars and trainings
• Comprehensive literature

Get in touch with us to discuss your requirements and see how Hydranal products can help you.

Save 10% off Hydranal list prices until 30/06/23.

Borosilicate Glass Bottles-media/reagent bottles

Special Offer pricing available until the end of March 2020 for Fisherbrand borosilicate reagent/media bottles.

Re-usable borosilicate glass with pouring ring and polypropylene cap.  Autoclavable.

Standard GL45 thread.

Example price – 250ml capacity, pack of 10 – Only £19.95

Example price – 1000ml capacity, pack of 10 – Only £30.50

The flyer gives the full range available.  Offer is valid until 31st March 2020 only.  Quote REA20 to qualify.

Click here to download the flyer.

Visit http://www.totallabsupplies.co.uk/?cat=33

Excel Sterilisers

Do you undertake any autoclaving or sterilising?

Total Lab Supplies can now offer a range of New Generation Steam Sterilisers

The first touch screen steam sterilisers in the United Kingdom.  An interactive display offers a user friendly experience, responding quickly to the simplest of touches.  Three models available—17L, 22L and 45L.

· Fastest cycle time on the market eg 17L model—35 mins

· All models come complete with 3 trays, USB & printer

· Price includes one hour installation & training by Excel Healthcare specialist

· 3-4 day lead time from date of order

· 12 month warranty

· Fits any standard workbench

· Fully automated door - no handle

· Consumes less water than any autoclave on the market

These units are currently on special offer for UK customers until the end of October 2019.  get in touch now or visit our website news page here.

Titration made easy

Total Lab Supplies offers a range of Titration solutions.

Titration is is a common laboratory method of quantitative chemical analysis to determine the concentration of an identified analyte (a substance to be analysed). A reagent, called the titrant or titrator, is prepared as a standard solution of known concentration and volume. The titrant reacts with a solution of analyte (which may also be called the titrand) to determine the analyte's concentration. The volume of titrant that reacted with the analyte is called the titration volume.

Total Lab Supplies supplies SI Analytics range of Titrators for all applications including Karl Fischer titration.

Karl Fischer titration is a classic titration method in chemical analysis that uses coulometric or volumetric titration to determine trace amounts of water in a sample. It was invented in 1935 by the German chemist Karl Fischer. Today, the titration is done with an automated Karl Fischer titrator.

You can’t go wrong with the new TitroLine® KF titrators from SI Analytics.

The TitroLine® 7500 KF is the volumetric generalist and the TitroLine® 7500 KF trace is the specialist for low water contents.  Both new titrators have the following features:-

• Fast, easy and precise
• With standard methods for different applications (titer, blank value, 1 or 2 component reagent)
• The addition of solvent and the extraction of the titrated sample are managed by the titration stand TM 235 KF (optional for TitroLine® 7500 KF trace
• Online display of curve and measurement drift during titration

We can also supply a FULL range of Hydranal® chemicals for use with all brands of Karl Fischer titrators.

Visit http://www.totallabsupplies.co.uk/?p=1730 for more information.

Sieve Shakers and Sieves

Total Lab Supplies can supply a wide range of sieves and sieve shakers.  A sieve shaker is basically a device used to shake a stacked column of standard sieve-test trays to cause solids to sift progressively from the top (large openings) to the bottom (small openings and a final pan), according to particle size.

A sieve stack can consist of anywhere between 1 and a number of sieves. The number and mesh sizes of the sieves in a sieve stack are dictated by industry/application standards or the stated production standards of specific products.

Glenammer Engineering’s range of Sieve Shakers is constantly evolving as Glenammer manufactures shakers to order and also to customer’s particular requirements.  All systems are 220/240 volt single phase. 

At present, customers can save 10% off the models on the flyer!

Download your copy here.

Also available - a FULL range of Glenammer sieves – all produced to comply with the relevant specifications set out – eg BS410/ISO3310, ASTM E11 etc….

Glenammer woven wire test sieves are one of the most widely used type of test sieves and are made to stringent engineering standards – save money now compared to other well known brands.  You wont be disappointed.  Get in touch with your requirements.

Hotplate Safety

Total Lab Supplies offer a wide range of hotplates and hotplate/stirrers.  The Stuart range is well known in laboratories and they offer some good advice on the operation of these units.

• Do not use hotplates to heat inflammable liquids.
• Never lift or carry a hotplate until it has been switched off and allowed to cool for at least 30 minutes. A hot warning light will give guidance.
• A hotplate should be carried using both hands with the fingers under the side edges.
• Never move or carry a unit with containers on the top plate or while still connected to the mains supply.
• There is a danger of liquid spillage if containers are over-filled and stirred at high speed. Always build stirrer speed slowly and never stir more rapidly than necessary
• NEVER place a cold glass vessel onto a hotplate which is already hot.

When using a ceramic hotplates like the Stuart UC152 at temperatures over 180ºC, the base of any equipment used must not make contact with the ceramic plate outside the Hot Zone or heated plate area.

The use of a Stuart SCT1 temperature controller allows accurate temperature control of aqueous and oil based samples in the laboratory and can be used in two different modes, as a precise temperature controller from 20 to 200°C or as a digital thermometer from -4 to 325°C.

Care when preparing media

Take particular care when heating liquids having a high viscosity. Viscous liquids can act as thermal insulators and can cause thermal breakage of the glassware. This is very important with media solutions as the viscosity will usually increase as the temperature rises.

• Check that the stirring action is sufficient to agitate the whole of the liquid.  Unstirred areas in the liquid can result in uneven heat transfer and “hot spots” in the glassware. This can induce thermal stress and so cause failure.
• Check the stirring action regularly to ensure that it remains adequate as the viscosity of the solution increases.
• Always use the largest magnetic follower possible and if necessary, use a mechanical overhead stirrer.
• Do not use glass vessels with thick walls, e.g. Pyrex Heavy Duty Ware or standard beakers and flasks having capacities of 5 litres or greater.
• NEVER heat glass bottles on a hotplate.
• Ensure that the heat is built up slowly to avoid localised overheating.
• Ensure the glassware is completely free from scratches or other defects.
• Place the hotplate in a tray large enough to contain the liquid in the event of glassware failure.
• Wear the appropriate safety clothing e.g. gloves, goggles, protective apron etc.

Following these guidelines using a stirrer/hotplate should ensure trouble free use.

 For all your hotplate/stirrer needs please get in touch