What is Suspended Solids?
What is Suspended Solids? Suspended solids refers to small solid particles which remain in suspension in water. It is used…
Category: Water purifcation
High-Quality Pyrex Glass Components in a Water Still
SciLabware’s Quickfit range has introduced a new QWS4 Water Still. Manufactured in the UK, the QWS4 is the only water still…
What’s the difference between distilled and deionised water?
“Pure” water is used in all types of laboratories for a range of uses – from making up calibration standards…
How to install the W4000 Bibby Merit Water Still
The W4000 Bibby Merit Water Still is a great option for labs needing small quantities of distilled water. The still…
What is the pH of distilled water?
Purified water from distillation, deionisation or reverse osmomsis purification systems will usually have an acidic pH. But why is the…
How do I measure suspended solids? How is the gravimetric method different to other methods?
The measurement of Suspended Solids is often required for discharge consent, and values may be reported to the Environment Agency…
How can I check my deionised (DI) water?
Laboratories using a deioniser system to generate deionised (or DI) water in house should test the water produced regularly, to…
Are Instachlor tablets suitable for use in drinking water? What approvals do Instachlor tablets have?
Q: Can I use Instachlor tablets to treat drinking water? What approvals or standards do the tablets meet?
High range chlorine testing – what are the options?
Higher range chlorine solutions are typically used for disinfecting products but standard chlorine meters often cannot measure to higher ranges….
How can I measure temporary and permanent water hardness?
Hard water is water with high levels of dissolved minerals, and usually occurs in areas where limestone and chalk are common….
What is TDS?
Answer: Total Dissolved Solids (TDS) is a measure of the combined content of all the inorganic and organic substances such as…
What’s the difference between free and total chlorine?
Most methods of measuring chlorine in water refer to free and total chlorine, but what exactly do these mean and…