Every precaution should be taken to prevent contamination of reagents.
What reagents are used to discover the presence of foreign substances in nitre?
It will be useful to make a few general remarks on some of these reagents.
This may always be determined by suitable tests with reagents.
The formul for the preparation of these reagents are: for iodine, iodine, gr.
The only necessary caution is that the substance be thoroughly dried, and that the reagents be pure.
The others, the liquefiers, are the chemists; they dissolve their food by means of reagents.
The apparatus used with these reagents is called the acidimeter.
"The reagents I injected into its system were harmless," Paul explained.
Life is a laboratory where Destiny experiments with test-tubes and reagents.