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The standard turbidity produced by one mg of silicon dioxide (silica) in one litre of distilled water, is called
  • a)
    one Jackson turbidity unit (JTU)
  • b)
    one Formazin turbidity unit (FTU)
  • c)
    one Nephelometry turbidity unit (NTU)
  • d)
    None of the above
Correct answer is option 'A'. Can you explain this answer?
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The standard turbidity produced by one mg of silicon dioxide (silica) ...
The standard turbidity produced by one mg of silicon dioxide (silica) in one litre of distilled water is called one Formazin turbidity unit (FTU). Formazin is a synthetic compound that is used as a standard reference material for turbidity measurements.
Turbidity is a measure of the cloudiness or clarity of a liquid. It is commonly used to measure the clarity of water and is often used as an indicator of water quality. Turbidity is typically measured in units of Formazin turbidity units (FTU), Nephelometry turbidity units (NTU), or Jackson turbidity units (JTU).

In general, the lower the turbidity of a water sample, the clearer and more transparent it is. Water with a high turbidity may appear cloudy or murky, and may contain suspended particles or other contaminants.

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The standard turbidity produced by one mg of silicon dioxide (silica) ...
Turbidity and Turbidity Units

Turbidity is a measure of the cloudiness or haziness of a fluid caused by suspended particles that scatter light. It is an important water quality parameter that affects the aesthetic quality of water and can also cause problems in water treatment processes.

Turbidity units are used to express the level of turbidity in a water sample. There are several different units used, but the most common ones are Jackson Turbidity Units (JTU), Formazin Turbidity Units (FTU), and Nephelometry Turbidity Units (NTU).

Jackson Turbidity Units

The Jackson Turbidity Unit (JTU) is a measure of turbidity that is based on the amount of silica (SiO2) that is required to produce a standard level of turbidity in distilled water. Specifically, one JTU is defined as the turbidity produced by one milligram of silica per liter of distilled water.

The JTU was originally developed by William Jackson, a chemist who worked for the Chicago Water Department in the early 1900s. It was one of the first standardized methods for measuring turbidity, and it remains in use today.

The JTU is not commonly used in modern water treatment and testing, as it has been largely replaced by the NTU and FTU units. However, it is still used in some industries and applications, particularly in the brewing and beverage industries.

Conclusion

In summary, the standard turbidity produced by one mg of silicon dioxide (silica) in one litre of distilled water is called one Jackson Turbidity Unit (JTU). While it is not commonly used today, the JTU remains an important historical unit of measure for turbidity.
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