What is TDS?

Answer: Total Dissolved Solids (TDS) is a measure of the combined content of all the inorganic and organic substances such as mobile charged ions, minerals, salts or dissolved metals in a volume of liquid. Normally TDS is used in water testing, where TDS is defined as anything present that is not pure water (H2O) molecule or suspended solids.

Read the rest of this post »

Share

Mantech Supports Wastewater research

The Annacis Wastewater Centre Sustainability Academy has recognized MANTECH for its donation of water analysis and testing equipment, which is being used to conduct wastewater research, testing and education.

Mantech automation in use

Analyst uses Mantech Automation solutions

 

 

 

 

 

 

 

 

 

 

Read the rest of this post »

Share
Posted on May 27, 2015 at 9:58 am by David Miller · Permalink · Leave a comment
In: 1. News, 2. Innovation, Automation · Tagged with: , , , , , ,

Mercury free solutions for autoclave temperature monitoring

Mercury is a naturally occurring element found in the air, water and soil however exposure to the substance, even in small amounts, can lead to severe health and ecosystem issues. Mercury in products can find it’s way into the environment in all sorts of ways such as manufacturing, spills, recycling and disposal. Due to the health risks posed products such as mercury-containing  thermometers are being phased out in the US under guidelines produced by the Environmental Protection Agency (EPA) and in the EU the European Commission REACH aims to heavily reduce the use of mercury in products.

 

Mercury

Liquid Mercury

 

There are a range of mercury autoclave thermometer alternatives available that produce as accurate readings whilst keeping in line with the new US and EU standards and reducing the health risks.

Read the rest of this post »

Share

Application of chemical oxygen demand to drinking water

Application study: The use of photoelectrochemical chemical oxygen demand to study drinking water

MANTECH_PeCOD

MANTECH_PeCOD

Abstract: “This study investigated the use of a photoelectrochemical chemical oxygen demand (peCOD) analyzer for the detection of model organic compounds and natural organic matter (NOM) from four drinking water treatment plants in Nova Scotia, Canada.

Read the rest of this post »

Share

What is the challenge with the dichromate COD approach and why is an alternative method required?

Ask The Expert: What is the challenge with the dichromate COD approach and why is an alternative method required?

Answer: The traditional COD analysis approach has been used for decades and is based on the use of potassium dichromate, one of the reagents necessary for dichromate COD (CODCr) analysis.  Dichromate is listed as a “Substance of Very High Concern” on the Annex XIV list of the European Union’s REACH regulation.

Read the rest of this post »

Share
Posted on May 13, 2015 at 9:41 am by David Miller · Permalink · Leave a comment
In: 3. Water & Environmental, Biochemical Oxygen Demand, Water Analysers · Tagged with: , , , , , , ,

Mettler seven excellence – new firmware

Mettler toledo have just announced new firmware for the Mettler Seven Excellence series of electrochemistry meters

Mettler Toledo seven excellence

Mettler Toledo seven excellence

 

Read the rest of this post »

Share

Why is Chemical Oxygen Demand (COD) a useful parameter for drinking water analysis?

Ask the Expert: COD Analysis for Drinking Water

Question: Why is Chemical Oxygen Demand (COD) a useful parameter for drinking water analysis?

Clean water

Clean water

Read the rest of this post »

Share

FREE Interchangeable Block with every Grant Dry Block Heater

For a limited time only, Camlab will be offering a FREE interchangeable block worth £79 with every Grant Dry Block Heater ordered before 31st July 2015. Qualifying products include the Grant QBD1, QBD2, QBD4 and QBH2 Dry Block Heaters along with a range of interchangeable blocks.

Grant QBD Dry Blocks

Grant QBD Dry Blocks

Simply quote promotional code GRANTBLOCK, specifying the block you require when placing your order or add the code to your web order in the comments box.

Share
Posted on May 6, 2015 at 11:39 am by Karen Lemon · Permalink · Leave a comment
In: 1. News, Block heaters · Tagged with: 

FREE temperature data logger worth £170 with every purchase of any Grant Heated Circulating Bath

FREE temperature data logger worth £170 with every purchase of any Grant Heated Circulating Bath

For every Heated Circulating Bath ordered before 31st July 2015, All Camlab customers will receive a YL-T10 fridge/incubator temperature data logger worth £170 FREE OF CHARGE*.

Valid across all our OptimaTM Heated Circulators, Plastic and Stainless Steel tanks, customers can choose between 32 variations of tank and Optima unit for ultimate flexibility.

Grant Thermostatic circulator TXF200-ST26 Bath

To claim your FREE fridge/incubator data logger, use promotional code SCI1515 when placing your order or add the code to the comments box when ordering online.

The Grant Optima™ Immersion Thermostats are a general purpose digital heating circulator with easy to use rotary dial and two function keys for quick temperature setting and menu navigation. It provides digital control for simple, precise temperature control. The range can be used in combination with the Grant ST and P ranges of stainless steel and plastic tanks or with other vertical sided vessels. For low temperature applications, combine with one of our refrigeration units.

Share
Posted on May 4, 2015 at 10:38 am by Karen Lemon · Permalink · Leave a comment
In: 1. News, Water Bath · Tagged with: 

Testing for Nitrates in water what are the options?

Nitrate is a naturally occurring substance in the environment and is commonly found in most water sources, it is usually only a cause for concern in areas where water supplies can be affected by farm runs offs and agriculture, its use as a fertiliser can cause increased levels in water supplies

The UK safe limit for nitrates in Drinking water is 50mg/l as described in the current advice on Nitrate from the DWI, The Drinking water institute.

green drops Read the rest of this post »

Share
Posted on April 29, 2015 at 10:17 am by David Miller · Permalink · Leave a comment
In: 1. News · Tagged with: , , , , , , , , ,