Table 1 Comparison of matrix-matched calibration and solvent calibration.

From: Evaluation of the safe use and dietary risk of beta-cypermethrin, pyriproxyfen, avermectin, diflubenzuron and chlorothalonil in button mushroom

Compound

Matrix

Concentration (mg L−1)

Regression equation

R2

Slope of matrix/slope of solvent

LOD (mg kg−1)

LOQ (mg kg−1)

beta-cypermethrin

solvent

0.01–5

y = 8182.3x + 27.492

0.999

0.976

0.0016200

0.0054100

soil

0.01–5

y = 7984.9x + 19.872

1.000

pyriproxyfen

solvent

0.0005–5

y = 592254x + 57760

0.998

0.871

0.0000909

0.0003030

soil

0.0005–5

y = 516082x + 32869

0.998

abamectin

solvent

0.001–5

y = 32915x + 49.149

0.999

0.689

0.0001900

0.0006330

soil

0.001–5

y = 22689x − 90.948

0.999

diflubenzuron

solvent

0.001–5

y = 17032x + 404.55

0.999

0.888

0.0001650

0.0005500

soil

0.001–5

y = 15125x − 338.61

0.999

chlorothalonil

solvent

0.01–5

y = 14424x − 187.86

0.999

0.999

0.0019100

0.0063700

soil

0.01–5

y = 14417x − 213.66

0.999