TY - GEN AU - P A Pella AU - M M Myklebust AU - F J Heinrich C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1976-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.77-1211 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1976 TI - Evaluation of x-ray florescence analysis for the determination of arsenic, vanadium, cadmium, lead and mercury in various matrices: ER -