TY - GEN AU - Cadoff, B C AU - Hughes, E E AU - Alvarez, R AU - Taylor, J K C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1974-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.74-530 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1974 TI - Preparation of charcoal sampling tubes containing known quantities of absorbed solvents: ER -