Sentence examples for ph standards from inspiring English sources

Then, in a second approach the evolutionary algorithm was used to meet the compliant parameters defined by PH standards for different regions in Portugal mainland.

Notably, pH standards require special attention to the activity coefficient of H+ in samples of high ionic strength[25] and oxygen concentration measurements are virtually impossible using standard membrane electrodes or titration methods.

These indicators have been used, for example, to monitor and evaluate the quality of aging pH standards.

The passive house (PH) standard was originally defined for Central Europe and has subsequently been applied to many cold climate countries.

Treatment did not affect minimum pH, mean pH, maximum pH, standard deviation of mean pH, and duration or area under pH 5.8, indicating that calf starter consumption did not appear to affect rumen pH.

All the water samples fall in the safe limit of pH standard (6 8.5) for irrigation purpose (Ayers and Westcot 1985).

The pH electrode was calibrated with buffer solutions prepared from powder reagents of pH standard solutions (Code No. 150-4 and 150-7, Horiba Ltd. Kyoto, Japan).

The basic mud properties like density, pH, standard API rheology, and half-life were measured at room temperature prior to and after hot rolling at 120 °C for 16 h.

The pH meter was calibrated with Fisher Scientific certified pH 4.00, 7.00 and 10.00 pH standard solutions.

In addition, imidazole was added as an internal pH standard to ensure the sample pH was maintained during titrations.

However, the range of PH presentations, standards of care, and socioeconomic environments among developing countries is different from that of developed countries.