trans-Nonachlor, 10µg/mL in Cyclohexane, 10ml

2-Ethyl-6-isopropylpyridine,neat,neat,10mg

1,2-Bis(2,4,6-tribromophenoxy)ethane, 98%, 1g

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