Table 2. Comparison of the commercial and measured concentrations.

Active substance	Commercial concentration	Measured concentration		Difference (%)
		Mean	S.D.
Abamectin	18 g/L	24.91 g/L	1.27 g/L	+38.4
Acetamiprid	200 g/kg	243.66 g/kg	6.14 g/kg	+21.8
Chlorpyrifos-ethyl	480 g/L	500.20 g/L	0.02 g/L	+4.2
Clothianidin	500 g/kg	453.71 g/kg	23.11 g/kg	−9.3
Cyfluthrin	50 g/L	46.45 g/L	0.09 g/L	−7.1
Cypermethrin	100 g/L	114.25 g/L	0.14 g/L	+14.2
Deltamethrin	15 g/L	14.77 g/L	0.72 g/L	−1.5
Dimethoate	400 g/L	433.35 g/L	0.92 g/L	+8.3
Esfenvalerate	25 g/L	25.10 g/L	0.50 g/L	+0.4
Fenoxycarb	250 g/kg	228.54 g/kg	14.49 g/kg	−8.6
Hexythiazox	104 g/kg	91.24 g/kg	2.94 g/kg	−12.3
Imidacloprid	200 g/L	230.29 g/L	12.24 g/L	+15.1
Iprodione	750 g/kg	794.34 g/kg	7.01 g/kg	+5.9
Lambda-cyhalothrin	50 g/kg	44.85 g/kg	2.47 g/kg	−10.3
Prochloraz	461 g/kg	391.69 g/kg	13.72 g/kg	−15
Pyriproxyfen	100 g/L	97.29 g/L	2.66 g/L	−2.7
Tau-fluvalinate	240 g/L	232.65 g/L	12.80 g/L	−3.1
Tebuconazole	250 g/kg	186.30 g/kg	10.32 g/kg	−25.5
Thiacloprid	480 g/L	448.97 g/L	0.07 g/L	−6.5
Thiamethoxam	10 g/L	10.25 g/L	0.16 g/L	+2.5

S.D.: Standard Deviation.

The concentrations of commercial products are expressed according to their nature, liquid or solid.

The quantification of the active substance was performed in triplicate from the phytopharmaceutical preparation used for the spray application.

The differences were expressed as percentages of the commercial concentrations.