TY - GEN AU - Lavallee,D K AU - Andrew,J TI - Determination of porphyrins at low concentration using porphinatocopper(II) phosphorescence SN - 0003-2700 PY - 1977///1014 KW - Copper KW - Humans KW - Luminescent Measurements KW - Metalloporphyrins KW - Porphyrins KW - analysis KW - Protoporphyrins KW - Spectrometry, Fluorescence N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1021/ac50019a005 ER -