Sentence examples for at concentration levels from inspiring English sources

RTE food samples were spiked at concentration levels in the range 10 30 ng g−1.

However, precision studies for the related impurities were carried out at concentration levels of 0.15, 5.0 and 7.5 μg/ml.

Tartrazine was the most frequently found (50% of the samples) at concentration levels of 0.243 79.9 μg g−1.

At concentration levels between 1 and 500 µg/L, good linearity was obtained, with coefficients of determination greater than 0.9995.

The analyzed personal care samples contained BPA at concentration levels ranging from 30.9 to 88.3 ng g−1.

Finally, the proposed method was able to determine morphine simply and effectively at concentration levels encountered in toxicology and doping.

The fabric samples shows highest stiffness at concentration level of 3% antibacterial finish and 7% of fluoropolymer finish.

The average recovery for HRMs spiked at concentration level of 1.0 mg/mL was 95.75% for BF3/MeOH method and 87.53% for HCl/MeOH method.

Individual stock solutions of each compound at concentration level of 1 g/L were prepared in methanol and were stored at −80 °C.

In other words, the method is suitable to detect CAP in plant material at concentrations levels ≥ 0.1 µg/kg.

In breast milk samples corresponding values were < 10%, 10 20%, and > 20% at concentrations levels > 1 ng/g fat, 0.1 1 ng/g fat, and < 0.1 ng/g fat, respectively.