Oxolinic Acid; CAS No.: 14698-29-4

UV the absorption maximum at 258, 266, 326 and 340nm

Dissole 1.0mg of sample with 2ml of sulfuric acid add three drops of chromotropic acid solution. Heating on

a water-bath at 40'C for 10 minutes.

<= 0.2%

<= 0.1%

^-)

<= 0.012%

<= 20ppm

)

>= 99.0%