title: Ultramicro (nanoliter range) determination of calcium concentration (10-3 M) by atomic absorption.
mesh_terms: D000818:Animals; D001826:Body Fluids / Q000032:analysis*; D002118:Calcium / Q000032:analysis* / Q000097:blood / Q000378:metabolism; D002122:Calcium Chloride / Q000032:analysis; D004577:Electron Probe Microanalysis; D005069:Evaluation Studies as Topic; D007687:Kidney Tubules, Proximal / Q000032:analysis*; D008274:Magnesium / Q000032:analysis; D008722:Methods; D008832:Microchemistry; D009994:Osmolar Concentration; D010280:Parathyroid Glands / Q000502:physiology; D010710:Phosphates; D011188:Potassium; D051381:Rats; D012964:Sodium; D013054:Spectrophotometry, Atomic; D014462:Ultrafiltration; D014508:Urea
chemical_list: D010710:Phosphates; D014508:Urea; D012964:Sodium; D008274:Magnesium; D002122:Calcium Chloride; D011188:Potassium; D002118:Calcium