Water is a vital resource in the natural environment and is closely related to our lives. As water pollution becomes increasingly prominent, water quality testing technology is receiving more and more attention. So, is water with a water quality test result of 180 safe to drink? Details are as follows:
Is water with a quality test result of 180 safe to drink?
A TDS value of 180 indicates the water is safe to drink. A TDS value between 80 and 230 indicates normal drinking water quality, and a lower TDS value is better. However, if the TDS value exceeds 600, the water quality does not meet human drinking standards.
What are the main components tested in water quality testing?
1. pH value
pH is a measure of the negative logarithm (log) of the hydrogen ion concentration in water. pH ranges from 0 to 14. A pH of 7.0 indicates neutral water; a pH less than 7.0 indicates acidic water; and a pH greater than 7.0 indicates alkaline water.
2. Turbidity
Turbidity refers to the degree of cloudiness in water and is one of the main characteristics used to judge whether water is polluted. The standard unit of turbidity is defined as 1 degree of turbidity, which is composed of 1 mg of SiO2.
3. Hardness
Hardness refers to the content of certain metal ions in water that are prone to forming precipitates, usually calcium and magnesium ions.
4. Concentration
Concentration is mainly used as an indicator to reflect the degree of quantification of water color. Drinking water generally needs to be below 15 degrees.
5. TDS
TDS is the inorganic residue remaining after filtering out suspended solids (SS) and colloids and evaporating all water. The unit is ppm or mg/L, and it can be measured using a TDS meter.
6. COD
Chemical consumption refers to the amount of oxidant consumed when treating a water sample with a strong oxidant under certain conditions. The higher the organic matter content in the water, the more severe the pollution.
7. Salt content
The salinity of water, also known as its mineralization, is a measure of the amount of salts contained in water.
8. Suspended solids
Suspended solids refer to solid substances suspended in water, including inorganic and organic substances that are insoluble in water, as well as mud, sand, clay, microorganisms, etc.
