STD 3 - How is STD 3 abbreviated?
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STD 3, 10 mg/L I: Into a 100-mL volumetric flask containing ~50 mL of PPTS was added 9.7 mL of water and 0.333 mL of the 3000 mg/L iohexol supplementing solution.
The instrument was calibrated with STD 1, STD 2, and STD 3. The interelement correction solutions were analyzed as unknowns and the average value of the percent P interference on I calculated.