The residue is carefully dissolved in 100 µl of pyridine (paragraph 2.4) and 100 µl of bis(trimethylsilyl)trifluoroacetamide (paragraph 2.2) and 10 µl of trimethylchlorosilane (paragraph 2.3) are added.
Jääk lahustatakse ettevaatlikult 100 μl püridiinis (punkt 2.4) ning lisatakse 100 μl bis(trimetüülsilüül)trifluoroatseetamiidi (punkt 2.2) ja 10 μl trimetüülklorosilaani (punkt 2.3).