Sentence examples for samples were preserved from inspiring English sources

Samples were preserved in 4 % buffered formaldehyde.

Samples were preserved at 4 °C for Anion determination.

These samples were preserved with 1% phosphate-buffered glutaraldehyde.

The samples were preserved by acidifying and keeping them in refrigerator at low temperature.

These samples were preserved at −20°C until used for sample derivatization.

After the collection of the samples, the samples were preserved and analyzed in the laboratory.

The samples were preserved in a refrigerator at 4 °C for 4 weeks.

Collected samples were preserved at 4 °C and taken into the laboratory for analysis.

The samples were preserved at 4 °C for analysis of microbial activity parameters.

All the aqueous samples were preserved in 5% nitric acid matrix before ICP-AES and AA measurements.

After arrival at the laboratory, samples were preserved in refrigerator at +4 °C temporarily for 24 h for processing.