制样时要注意的问题： (1) 首先要了解样品纯度。一般要求样品纯。对含水份和溶剂的样品要作干燥处理。 (2)根据样品的物态和理化性质选择制样方法。如果样品不稳定，则应避免使用压片法。 (3)制样过程要注意避免空气中水份、CO2等污染物混入样品。
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I had a few problems. I didn't realise it until I started going to therapy. I did it for 10 years, two days a week, and pretty quickly I understood that a lot of my suffering, many of my issues, were rooted in my realising that I was gay when I was a little boy. I knew I was different. That made me very fragile.