measured	value	uncertainty	unit
[F]	23.0		µg/g
[Cl]	192.0		µg/g

tables:

Table 3-4. Flourine and Chlorine concantrations in silicate reference materials of Wang, Q. (2010) Determination of fluorine and chlorine by pyrohydrolysis and ion chromatography: comparison with alkaline fusion and ion chromatography, Geostandards and Geoanalytical Research, 34, 175--183. more