The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus HS concentration.

  The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus DHEA-S concentration.

  The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus CS concentration.

  The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus H2S concentration. 

  The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus TBARS concentration.

  The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus SCC concentration.

  The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus PEMT concentration. 

  The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus PS concentration. 

  The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus PA concentration.

  The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus PLC concentration.