Помогите, пожалуйста, перевести Methylene Ann for pyrazole Lin spectrophotometry

Перевожу сертификат анализа на " CRM (certified reference material) for Ferrosilicon Nitride

Methylene Ann for pyrazole Lin spectrophotometry - это метод анализа, применяемый для титана (Ti)

Homogeneity and Stability: Samples have been proved good at homogeneity by Range method. The minimum analysis weight for each element is as the following sheet shows. The sample has been proved stable by long term observation. It is valid at least for 5 years.

Далее идет таблица:

Elem. Analysis method

Si Perchloric acid dehydration gravimetric method

Ti Methylene Ann for pyrazole Lin spectrophotometry

Заранее спасибо