Carrying out column chromatography. The column. In thin layer chromatography, the stationary phase is a thin layer of silica gel or alumina on a glass, metal or plastic plate. Column chromatography works on a much larger scale by packing the same materials into a vertical glass column.
Types of Fertility Tests for Women. There are a number of types of fertility testing that can help our Houston-area fertility doctors to establish the source of a coupleâs infertility. Fertility tests for women can include: There are several hormones that must work together in the female body for pregnancy to occur and progress properly.
1 A pregnancy test is done if there is a chance that you are pregnant. ( 2 This can also be a urine test 3  .). A follicle-stimulating hormone (FSH) test can be used to confirm whether you have reached menopause. 4  FSH levels increase during perimenopause and are high after menopause.