Abstract
A stain for fecal smears is prepared from the following solutions: solution A: 1% hematoxylin in 95% alcohol, prepared by diluting a stock solution of 10% hematoxylin in 95% alcohol; solution B: ferric ammonium sulfuric acid (sp. gr. 1.8), 0.12 ml.; distilled water, 100 ml. Mix equal parts of solution A and solution B; allow to stand overnight, filter and use. For max. length of staining life, store in full, air-tight bottles. To stain fecal smears, fix in Schaudinn''s, pass through iodine alcohol to 50% alcohol, stain for 3 min., wash in running tap water 5-15 min., dehydrate and mount.