Chemical Details

SAMPLE ORIGIN SAMPLE PREP./SIZE PYROL. CONDITIONS TOTAL ION COUNTS

120 140 m/z

GRANITE BROWN SOIL, A-l horizon (typic Xerochrept)

see ref. 188; carbon content 3.5%; nitrogen content 0.4%; pH 5.6 in H20

Huelva, SW Spain suspension in methanol; approx. 50 yg standard not determined remarks - Typical of a soil of this type is the extremely rich mixture of organic compounds comprising carbohydrate (e.g. m/z 43, 72, 74, 84, 86, 96, 98, 102, 112, 114, 126, 128, 144) as well as proteinaceous (e.g. m/z 34, 48, 117) and lignin-type (e.g. m/z 120, 124, 134, 138, 150) compounds. Compare also to bog peat (Spectrum F.14) and to river clay (Spectrum F.2).

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