EPA Method 8260B - Purgeable Internal Std

Toxaphene,100 µg/mL,n-hexane,1mL,

ISO 17495 Internal Standard Stock Solution 2 Internal standards, each 10µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7] 2060.6 2,4,6-Tribromophenol [118-79-6] The following compounds are suggested as alternative I

Ketoprofen