[On the colorimetry of some aldehydes and ketones with oxalyldihydrazide].
D000447:Aldehydes / Q000737:chemistry*; D003124:Colorimetry; D007659:Ketones / Q000737:chemistry*; D010070:Oxalates
D000447:Aldehydes; D007659:Ketones; D010070:Oxalates; C014724:oxalic acid hydrazide
ALDEHYDES/chemistry; COLORIMETRY; KETONES/chemistry