You use this function to enter the individual components of a substance.

For substance characteristic categories of type Substance composition you can enter additional quantitative values, whereas for substance characteristic categories of type Substance listing, you can list the components without details.

As soon as you assign values to substance characteristic categories of type substance composition or substance listing, the system activates the function component overview.

Firstly, you define the reference point for component entries (percent in weight w/w or percent in volume vol/vol) for substance characteristic categories of type substance composition.

You specify the component category for every component. In addition, you can enter the following details on substance concentration:

• Average proportion

• Possible deviation from the lower limit (>, >=)

• Lower limit

• Possible deviation from the upper limit (<, <=)

• Upper limit

• Exponent

You can enter the respective components for the substance characteristic categories of type substance listing without entering component category and concentration.