title: [Determination of the content of copper and other elements in butter].
mesh_terms: D002079:Butter / Q000032:analysis*; D002118:Calcium / Q000032:analysis; D003300:Copper / Q000032:analysis*; D007501:Iron / Q000032:analysis; D007844:Latvia; D008274:Magnesium / Q000032:analysis; D008345:Manganese / Q000032:analysis; D011188:Potassium / Q000032:analysis; D012426:Russia; D012964:Sodium / Q000032:analysis; D013054:Spectrophotometry, Atomic; D014131:Trace Elements / Q000032:analysis*
chemical_list: D014131:Trace Elements; D008345:Manganese; D003300:Copper; D002079:Butter; D012964:Sodium; D007501:Iron; D008274:Magnesium; D011188:Potassium; D002118:Calcium
vernacular_title: Opredelenie soderzhaniia medi i drugikh elementov v slivochnom masle.