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SEE LOWER CONCENTRATIONS WITH THE NQAD DETECTOR

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APPLICATION NOTES. ™. QUANT TECHNOLOGIES, LLC 1463 94 TH Lane NE Blaine, MN, USA 55449 763-398-0508 www.Quant-NQAD.com. SEE LOWER CONCENTRATIONS WITH THE NQAD DETECTOR. Application note # QAN-0087. CHROMATOGRAMS. PARAMETERS. 4.9. mV. NQAD , 16 ng S/N = 167 ELSD , 16 ng S/N < 3.

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APPLICATION NOTES

QUANT TECHNOLOGIES, LLC

1463 94TH Lane NE

Blaine, MN, USA 55449

763-398-0508

www.Quant-NQAD.com

SEE LOWER CONCENTRATIONS WITH THE NQAD DETECTOR

Application note # QAN-0087

CHROMATOGRAMS

PARAMETERS

4.9

mV

NQAD, 16 ng

S/N = 167

ELSD, 16 ng

S/N < 3

NQAD

GAS: Air

FILTER: 1.3 sec

GAIN: 1X

EVAPORATION TEMP: 35C

ELSD

GAS: Nitrogen, 1.5 L/min

GAIN: 1

EVAPORATION TEMP: 40C

HPLC

MOBILE PHASE: 25:75 ACN:Water with 0.2% TFA

FLOW RATE: 1.00 mL/min

COLUMN: Phenomenex Kinetex C18, 150 x 4.6, 2.6 u

COLUMN TEMP: Ambient

INJECTION VOLUME :1 µL

CONCENTRATION: 16 ng on column

ANALYTE: Ephedrine

4.3

0.00

1.00

2.00

3.0

Note: This application was run at Quant Technologies on a single ELSD and may not be representative of all ELSD’s.

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