title: A protein precipitant useful in pteridine and purine analysis.
mesh_terms: D000535:Aluminum; D000818:Animals; D001464:Barium; D011232:Chemical Precipitation; D005069:Evaluation Studies as Topic; D006147:Guanine / Q000032:analysis; D008094:Lithium; D008722:Methods; D010472:Perchlorates; D011506:Proteins; D011621:Pteridines / Q000032:analysis*; D011687:Purines / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet; D014238:Trichloroacetic Acid; D014414:Tungsten; D014976:Xanthopterin; D015032:Zinc
chemical_list: D010472:Perchlorates; D011506:Proteins; D011621:Pteridines; D011687:Purines; D001464:Barium; D014238:Trichloroacetic Acid; D006147:Guanine; D008094:Lithium; D000535:Aluminum; D015032:Zinc; D014976:Xanthopterin; D014414:Tungsten