Podcast
Questions and Answers
Which characteristic of water is related to the presence of finely suspended particles and is measured in mg/l or parts per million (ppm)?
Which characteristic of water is related to the presence of finely suspended particles and is measured in mg/l or parts per million (ppm)?
What causes the color of water due to the presence of natural organic matter?
What causes the color of water due to the presence of natural organic matter?
How is the extent of taste or odor in a sample of water measured?
How is the extent of taste or odor in a sample of water measured?
What is the recommended maximum threshold odor number for public water supplies?
What is the recommended maximum threshold odor number for public water supplies?
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What is the measure of taste or odor present in a particular sample of water related to?
What is the measure of taste or odor present in a particular sample of water related to?
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Where do solids occur in water?
Where do solids occur in water?
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What is the name of the material left behind after evaporating the filtered portion of a water sample?
What is the name of the material left behind after evaporating the filtered portion of a water sample?
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What parameter of water quality is affected by temperature?
What parameter of water quality is affected by temperature?
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Which parameter is used to measure the strength of an acidic or basic solution?
Which parameter is used to measure the strength of an acidic or basic solution?
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What does acidity in water usually result from?
What does acidity in water usually result from?
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What is the term used to express the properties of highly mineralized waters?
What is the term used to express the properties of highly mineralized waters?
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What is the desirable-tolerable range for total dissolved solids in water (mg/l)?
What is the desirable-tolerable range for total dissolved solids in water (mg/l)?
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Why is bacterial examination of water important?
Why is bacterial examination of water important?
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What type of bacteria is E.Coli?
What type of bacteria is E.Coli?
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What is the harmful effect of dissolved minerals in water?
What is the harmful effect of dissolved minerals in water?
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Which element can influence many processes such as corrosion, chemical reactions, and biological activities?
Which element can influence many processes such as corrosion, chemical reactions, and biological activities?
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Study Notes
Water Quality Parameters
- Turbidity is the characteristic of water related to the presence of finely suspended particles and is measured in mg/l or parts per million (ppm).
Color of Water
- The color of water is due to the presence of natural organic matter.
Taste and Odor
- The extent of taste or odor in a sample of water is measured through threshold odor number.
- The recommended maximum threshold odor number for public water supplies is 3.
Solids in Water
- Solids occur in water as total dissolved solids (TDS) and suspended solids.
- After evaporating the filtered portion of a water sample, the material left behind is called residue.
Effects of Temperature
- Temperature affects the water quality parameter of solubility.
Acidity and Alkalinity
- pH is the parameter used to measure the strength of an acidic or basic solution.
- Acidity in water usually results from the presence of carbon dioxide, sulfuric acid, and nitric acid.
Mineralized Waters
- The term "hardness" is used to express the properties of highly mineralized waters.
Total Dissolved Solids (TDS)
- The desirable-tolerable range for total dissolved solids in water is 500-1000 mg/l.
Bacterial Examination
- Bacterial examination of water is important for detecting the presence of pathogens.
- E.Coli is a type of bacteria that can indicate fecal contamination.
Effects of Dissolved Minerals
- The harmful effect of dissolved minerals in water is scaling and corrosion.
Influential Element
- pH is the element that can influence many processes, such as corrosion, chemical reactions, and biological activities.
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Description
Test your knowledge of water quality analysis with this quiz covering the physical, chemical, and bacteriological characteristics of raw or treated water. Topics include turbidity, absorption and scattering of light, and more.
