Sentence examples for at a trace level from inspiring English sources
The phrase "at a trace level" is correct and usable in written English
It is typically used in scientific or technical contexts to refer to the presence of a substance in very small amounts. Example: "The analysis revealed that the contaminant was present at a trace level in the water sample."
One is present at a trace level and is preferentially adsorbed.
AOB produce soluble microbial products (SMPs) and nitrous oxides (N2O), respectively, as aqueous and gaseous products at a trace level in their metabolism and decay processes.
Pseudopolarography can be used to distinguish labile metal complexes from the inert complex species and to estimate the distribution of metal ions at a trace level.
The 3D cubic Fd3m supermicrosensors also exhibited easy accessibility of target ions, such as ion transports; and high affinity binding events, particularly at a trace level of target ions.
The key advantage of 3D cubic Fd3m supermicropores is the easy access to target ions, such as ion transports, and high affinity responses of the receptor-metal analyte binding events, resulting in the easy generation and transduction of optical color signals even at a trace level of Cu II) target ions.
The lowest possible detectable amounts (μg/spot) of SC, SDC and STC on 5%(aq) 1-methylimidazolium chloride impregnated silica gel (S4) plates developed with M2 (2-methyltetrahydrofuran) were 0.7, 0.4 and 3.5, respectively, showing reasonably good sensitivity of the proposed method for the identification of surfactants at a trace level with preliminary separation from their mixture.
Additionally, the MIP-coated SPME methodology followed by HPLC with UV and MS is easy, reliable, and sensitive at the trace level, requiring a low sample volume, and seems to be a good analytical alternative to routine quality control for biomedical analysis.
Thus, a novel azo azomethine receptor (L) based on the combination of 2-amino-3- 5-bromo-2-hydroxybenzylamino maleonitrile 2-amino-3- 5-bromo-2-hydroxybenzylamino maleonitrile 2-amino-3- 5-bromo-2-hydroxybenzylamino maleonitrile 2-amino-3- 5-bromo-2-hydroxybenzylamino maleonitrile 2-amino-3- 5-bromo-2-hydroxybenzylamino maleonitrile 2-amino-3- 5-bromo-2-hydroxybenzylamino maleonitrile 2-amino-3- 5-bromo-2-hydroxybenzylamino maleonitrile
Using the effective material, a method for Cd II) preconcentration at trace level was developed.
Typical elements used in electronic equipment and present in WEEE were detected either at trace level or at elevated concentrations.
Elements like As, Cd, Cr, Cu, Fe, Hg, Ni, Pb, Sb and Zn were present either at trace level or at elevated concentrations.
