trace impurity

Trace impurities may have a significant influence on the odour.

Fluorescence is the caused by trace impurities in the diamond.

The presence of molybdenum trace impurities occasionally results in a green glow.

Municipal water supplies often add or have trace impurities at levels that are regulated to be safe for consumption.

Trace impurities of various other elements can have a significant effect on the quality of the resulting steel.

However, termination can occur through unintentional quenching due to trace impurities.

The intermittent spikes are a few trace impurities.

It is a caseinate colloid with trace impurities," Spock said. "

"It is by far the readiest source of energy, and the trace impurities we utilize to build body mass." '

Removing these trace impurities is especially important to give good results for elemental analysis and gravimetric analysis.

While McMaille can take hours to days to run - it is relatively insensitive to trace impurity peaks.

It can also be prepared by the polymerization of cyanogen at 300-500 C in the presence of trace impurities.

Our unique manufacturing process ensures that existing trace impurities in the raw materials are significantly reduced in content.

Aye, that I did, sir, but then Ross here picked up a trace impurity in the dilithium matrix.

Pure substances; essentially pure chemicals, characterised for chemical purity and/or trace impurities.

The apparent color of a mineral can vary widely because of trace impurities or a disturbed macroscopic crystal structure.

Rubies and sapphires are gem-quality forms of corundum, which owe their characteristic colors to trace impurities.

Varying levels of trace impurities, even at levels of a few parts per million can alter the spectroscopic behavior of a glass.

Also, Environment Canada should adopt a product volume threshold to exempt the analysis and reporting of products with trace impurities of the substances.

While these substances are trace impurities, enough coal is burned that significant amounts of these substances are released.

They could be a defining constituent, such as uranium in uraninite, autunite, and carnotite, or as trace impurities.

The OFC data gave a much better precision than that from static solutions at equilibrium, where trace impurities and natural convection lead to drift.

It was further hypothesized that one or more trace impurities produced during the manufacture of tryptophan may have been responsible for the EMS outbreak.

NAA is used to detect trace impurities and establish contamination standards, because it involves limited sample handling and high sensitivity.

Weak organic and strong inorganic acids are formed by oxidation of the lubricant or from the combustion of trace impurities such as sulphur.