Question 2009 of 234 · California Wastewater Operator Exam
Volatile solids are the portion of solids that
Exactly one answer is correct.
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Correct answer to question 2009
- B: burn off when heated to about 550 degrees Celsius generally
Explanation
Volatile solids are lost on ignition at 550 degrees Celsius and are used as an estimate of organic matter. The remainder is fixed (inorganic) solids.
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