لم يعد يتم قبول المزيد من الطلبات لهذه الوظيفة
- Using chromatography, spectroscopy, and spectrophotometry techniques.
- Developing, improving, and customizing products, equipment, formulas, processes, and analytical methods.
- Conferring with scientists and engineers to analyze, interpret, and develop tests.
- Introducing heat, light, energy, and chemical catalysts to chemical substances to induce reactions.