| 摘要 |
<p>A device for preparing a control solution for ketone analysis is disclosed, as well as a method for preparing it. The device comprises a carrier vehicle incorporated with an ester of a beta -ketoalkanoic acid, and a hydrolyzing substance capable of converting the ester to the corresponding beta -ketoalkanoic acid. The ester has the structure R min -@-CH2-@-OR in which R is a lower alkyl group and R min is an aliphatic or cyclic group having 1 to about 7 carbon atoms. The method comprises contacting a predetermined volume of solvent with the device.</p> |
