How do you measure dissolved salts?

How do you measure dissolved salts? The two principal methods of measuring total dissolved solids are gravimetric analysis and conductivity. Gravimetric methods are the most […]

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What does 1 PO QID mean?

What does 1 PO QID mean? Sig: 1 tab po qid pc & hs. These abbreviations are instructions for taking the medication. The pharmacist will […]

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