2007-2. How Little Can I See?

With trace analysis, a lower limit of detection is always welcomed. LCGC 25(2) 142-152 (2007) John W. Dolan Errata: There is an error in equation 1 of this month’s column. See LCGC 26(5) (2008) for complete explanation. In the November installment of “LC Troubleshooting” [LCGC 24(11) 1184-1190 (2006)], the y […]

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2003-9. Honoring Readers

Celebrating 20 years of “LC Troubleshooting.” LCGC 21(9) 888-892 (2003) John W. Dolan erratum: note error here. 50% loss in N is not 7% loss in Rs, but 30%. SQRT(0.50) = 0.7 Rs left, so 30% gone.

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