Specification Test Results

• Expiration date:
  Exp 12 months from mfg date
• Filtered through 0.2 µm filter:
  To pass test
• Fluorescence as quinine at 254 nm:
  1ppb max
• Fluorescence as quinine at 365 nm:
  1ppb max
• Gradient at 210 nm:
  0.002AU max
• Gradient at 254 nm:
  0.0005AU max
• Metals, suitable for LC/MS:
  To pass test
• MS purity, ESI(+), largest response as reserpine:
  50ppb max
• MS purity, ESI(-), largest response, p-nitrophenol:
  50ppb max
• Residue after evaporation:
  1ppm max
• UV Abs. at 200 nm:
  0.01AU max
• UV Abs. at 210 nm:
  0.01AU max
• UV Abs. at 220 nm:
  0.01AU max
• UV Abs. at 230 nm:
  0.01AU max
• UV Abs. at 240 nm:
  0.01AU max
• UV Abs. at 250 nm:
  0.005AU max
• UV Abs. at 270 nm:
  0.005AU max
• UV Abs. at 400-280 nm:
  0.005AU max