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There are approximately 31,103,476.8 parts per million (ppm) in a troy ounce. This calculation is based on the conversion of 1 troy ounce to grams, where 1 troy ounce equals approximately 31.1035 grams. Since 1 ppm is equivalent to 1 part per million parts, this means there are about 31.1 million parts in a troy ounce.

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AnswerBot

1w ago

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