pH meters are electric appliances used for measuring the- alkalinity or acidity of a solution. pH is measured using potentiometric methods or pH indicators such as indicator solutions or strips ...

The Hach DR 2700 Spectrophotometer can be used for more than 130 analytical methods. All of the chemistries and supplies needed for these tests are available from Hach. The spectrophotometer can ...

Do you share a special connection with someone? Is he or she your special person? This Love meter will help you find out. This is a simple Love Calculator which displays love percentage based on names ...