Question
Download Solution PDF______ is the measure of the relative clarity of a liquid.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Turbidity.
Key Points
- Turbidity is the measure of the relative clarity of a liquid.
- It is an optical characteristic of water and is a measurement of the amount of light that is scattered by material in the water when a light is shined through the water sample.
- The higher the intensity of scattered light, the higher the turbidity.
- The distance at which the disk disappears is the water clarity reading, which is recorded in centimetres.
Additional Information
- Turbidity is commonly measured in Nephelometric Turbidity Units (NTU).
- The nephelometric method compares how light is scattered in a water sample against the amount of light scattered in a reference solution.
- An electronic hand-held meter is often used to measure turbidity.
- The WHO (World Health Organization), establishes that the turbidity of drinking water shouldn't be more than 5 NTU, and should ideally be below 1 NTU.
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