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Division 3.11.2 Calibration solutions

United Kingdom

Original text. Later amendments are not shown.

Transfer 2,0, 5,0, 10,0, and 20,0 ml of the stock standard solution (3.11.1) into a series of 100 ml calibrated flasks. Add 30 ml of water, make up to the mark with methanol-acetonitrile (3.5) and mix. Wrap the flasks with aluminium foil. These solutions correspond to 2,0, 5,0, 10,0 and 20,0 μg/ml of carbadox respectively.

Calibration solutions must be freshly prepared before use.

Note:

  • For the determination of carbadox in feed containing less than 10 mg/kg, calibration solutions with a concentration below 2,0 μg/ml must be prepared.