Confirming materials in QM Order

Hello there

Scenario: inspection lots of physical samples in a chemical organization;

mainly steps:

1. physical sample (manually created) - QPR1

2. create of inspection lot (origin 15) - QPR2

3. assign of specifications (insp. plan) - QA02

4. results recording - QE51N

5. confirm activities for the operation (time spending)

6. confirm materials for the operation (is it possible ?????).

7. usage decision - QA12

I have a requirement to post the materials (chemical substances) consumed during the analysis of physical sample;

Noticed that confirm acitivity screen doesn't enable this operation (post materials) against qm order. We're running on SAP ERP 6.0 EHP7

I appretiate any suggestion.

Best regards