Question
In: Chemistry
Low concentrations of EDTA near the detection limit gave the following dimensionless instrument readings: 175, 104,...
Low concentrations of EDTA near the detection limit gave the following dimensionless instrument readings: 175, 104, 164, 193, 131, 189, 155, 133, 151, and 176. Ten blanks had a mean reading of 50.0. The slope of the calibration curve is 1.75 x 10^-9 M^-1.
1. Estimate the signal detection limit for EDTA. (with correct sig figs)
2. What is the concentration detection limit? (with correct sig figs)
3. What is the lower limit of quantification? (with correct sig figs)
Solutions
queen_honey_blossom answered 2 years agoRelated Solutions
"Low concentrations of dioxin near the detection limit gave the following dimensionless instrument readings: 193.3, 156.5,...
"Low concentrations of dioxin near the detection limit gave the
following dimensionless instrument readings: 193.3, 156.5, 150.3,
162.3, 207.3, 148.1, 211.1, 189.7, 122.7, and 193.5. Ten blanks had
a mean reading of 47.3. The slope of the calibration curve is 2.55
× 10x9 M–1. Estimate the signal and concentration detection limits
and the lower limit of quantitation for dioxin."
I know the signal detection limit is yblank + 3s and the
concentration limit is 3s/m, but what is ysample to...
Low concentrations of Ni-EDTA near the detection limit gave the following counts in a mass spectral...
Low concentrations of Ni-EDTA near the detection limit gave the
following counts in a mass spectral measurement: 184, 148, 148,
148, 136, 170., 196, 152, 156, 175. Ten measurements of a blank had
a mean of 45 counts. A sample containing 1.00 µM Ni-EDTA
gave 1797 counts.
(a) Find the mean.
___ counts
(b) Find the standard deviation.
___ counts
(c) Estimate the detection limit for Ni-EDTA.
___ counts
___ M
Which of the following is an instrument to limit the Owner's risk that the contractor will...
Which of the following is an instrument to limit the Owner's
risk that the contractor will be unable to complete the
project?
A
Bid bond
B
Surety bond
C
General liability insurance
D
Hazard insurance
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