There are many types of heavy metals, and the monitoring of heavy metals in water is certainly not a single one. So what do users need to do to monitor heavy metal parameters in water? This chapter water quality online monitoring instrument manufacturers to understand together with you.

It is very important to determine whether there are heavy metals in the water! If there are no heavy metals in the water, it is unnecessary to do online monitoring of heavy metals in the water!

The original meaning of heavy metals refers to metals with a density greater than 4.5g/cm3, including silver, copper, iron, lead, cadmium, etc., which together with water forms a chemical component harmful to the human body. Long-term drinking of water contaminated with heavy metals has certain harm to the ecological environment and the human body. All must not be ignored! The simple way to determine whether there are heavy metals in the water is to look at the characteristics of the water, which is mainly divided into the following points:

· Tea sets or teacups will appear turquoise;

· Water culture fish, fish is more likely to be poisoned and die;

· Water washes and dyes the color of the hair, the color of the hair is easy to fade;

· When washing porcelain or clothing with water, brown marks will appear;

· Water will corrode iron or inferior stainless steel cups;

· The water has a distinct metallic taste, and the color of the water is yellowish.

There are also many kinds of on-line monitoring instruments for heavy metals in water. The water quality monitoring instruments used for different parameters are different, so be sure to determine which heavy metals are contained in the water before purchasing. There are silver in water online analyzer, total copper online analyzer, iron ion online analyzer, etc.