49031 HPLC Plasma Calibration Standard Benzodiazepines

Plasma Calibration Standard Benzodiazepines

Order no.: 49031
  • Alprazolam
  • Bromazepam
  • Chlordiazepoxide
  • Clobazam
  • Clonazepam
  • Diazepam
  • Flunitrazepam
  • Nitrazepam
  • Nordiazepam
  • Oxazepam
Benzodiazepines in Serum/Plasma - HPLC


Plasma Calibration Standard Benzodiazepines, lyophilised

This lyophilised calibrator from Chromsystems is based on human plasma and should be used according to the instruction manual. It is designed to calibrate the measurement method in clinical diagnostics for the quantitative determination of benzodiazepines in serum/plasma. While following the instructions the calibrator should be handled and measured in the same manner as a patient specimen.

Technical Data

Method of Analysis



5 x 2.5 ml (lyoph.)


Alprazolam, Bromazepam, Chlordiazepoxide, Clobazam, Clonazepam, Diazepam, Flunitrazepam, Nitrazepam, Nordiazepam, Oxazepam


Please note: Concentration values shown here are typical. For lot specific concentration values please refer to the product insert supplied with the materials. The product inserts can also be requested from us directly or downloaded from our website after login.

Chlordiazepoxide ng/ml 571
Bromazepam ng/ml 148
Oxazepam ng/ml 804
Nitrazepam ng/ml 107
Clonazepam ng/ml 45.9
Flunitrazepam ng/ml 37.8
Nordiazepam ng/ml 571
Clobazam ng/ml 367
Diazepam ng/ml 811


Carefully remove the metal seal and rubber stopper from the vials. Add exactly 2.5 ml of distilled water into each vial. Return the stopper and incubate for 10 to 15 minutes at room temperature. Swirl the vials to dissolve the contents until homogeneity.

Storage conditions

Stored at +2 to +8 °C and unopened, the lyophilised calibrator is stable until the expiry date specified on the vial labels. The reconstituted calibrator can be stored up to 1 week light protected and tightly capped at +2 to +8 C. If the calibrator cannot be used within this period, it should be aliquoted and stored frozen below -18 °C (up to 3 months). For more details about storage conditions please check your instruction manual.