Sentence examples for standards for compounds from inspiring English sources

Benchmark values are derived from established drinking water standards for compounds grouped in Tier 1, from literature toxicological data for compounds in Tier 2, and from a Threshold of Toxicological Concern approach for compounds in Tier 3. A risk quotient is estimated by comparing the maximum concentration levels reported in greywater to the benchmark values.

Purified chaxamycin standards for compounds 1, 2, and 3 were kindly provided by Mostafa Rateb and Marcel Jaspars (University of Aberdeen, Scotland).

Lawyers for death row inmates and anti-death penalty groups claim that this means that regulatory standards for compound pharmacies are variable and often lax, so the quality and consistency of lethal injection drugs cannot be guaranteed.

Investigation of pharmacy A revealed multiple areas in which practices did not conform to United States Pharmacopeial Convention Chapter 797 standards for compounding sterile preparations or to recommended best practices for repackaging bevacizumab; these deficiencies might have contributed to bevacizumab contamination (6, 8 ).

Deuterated 1,2-dichloroethane is attractive as an internal standard for compounds eluting close to 3.44 min or as a surrogate compound, as it may not be present in real samples.

The compounds were identified and quantified by comparing the spectra of external standards for available compounds and the Wiley library (John Wiley & Sons ,Ltd, Chichester, UK).

Tissue standards for iodinated compounds were used for this purpose.

Tissue standards for iodinated compounds (Amersham, Aylesbury, UK) were used for this purpose [1,4].

The LC-ESI-MS spectra also indicated the presence of unglycosylated 6-dEB and EB, with peaks at m/z 409 and m/z 425 (and retention times corresponding to standards for these compounds; Fig. 4).

Relative standard deviations for compounds with a statistically significant change in concentration during cell growth were estimated at both high and low concentrations; a single estimate was used for compounds without a significant change.

Repeatability and reproducibility studies were achieved over two series of 10 standards for each compound showing no significant differences at 95% confidence level in the four spectrophotometric methods.