Applied Chemistry I: UNIT 1: Water Technology
Water Quality Standards and its Characteristics
Water used for drinking should have certain quality. The following table summarises several quality criteria and their standards for drinking water.
WATER QUALITY STANDARDS AND ITS
CHARACTERISTICS
Water used for drinking
should have certain quality. The following table 1.1 summarises several quality
criteria and their standards for drinking water.
Table
1.1 standards for drinking water
Characteristics (or) requirements of drinking water
As per the suggestion
given by World Health Organisation (WHO) and by Indian Council of Medical
Research (ICMR), the followings are the important characteristics of potable
water.
1. It should be clear,
colourless and odourless.
2. It should be cool
and pleasant to taste.
3. It should be free
from harmful bacteria and suspended impurities.
4. It should be free
from dissolved gases like CO2, N2H, NH3, etc.,
and poisonous minerals like lead, arsenic, manganese, etc.,
5. Hardness should be
less than 500 ppm.
6. Chloride content
should be less than 250 ppm.
7. Fluoride content
should be less than 1.5 ppm.
8. Total Dissolved
Solids (TDS) content should be less than 500 ppm.
9. pH of the potable
water should be 6.5 ‒ 8.5.
Applied Chemistry I: UNIT 1: Water Technology : Tag: Applied Chemistry : - Water Quality Standards and its Characteristics
Applied Chemistry I: UNIT 1: Water Technology
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Applied Chemistry I
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