Metal dendrites for lithium cationization in mass spectrometry

Nov 1, 1978 - Cation exchange in the desorption of crown ether complexes in strong electric field ... Neil B.H. Henis , Tim L. Youngless , Maurice M. ...
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ANALYTICAL CHEMISTRY, VOL. 50, NO. 13, NOVEMBER 1978

Table 11. Elemental Composition of Pepperbush Powder and Comparison with Other Botanical Reference Materials Pepperbush Orchard Tomato Pine NIES Leaves Leaves Spinach Seedles No. 1, (?), (61, (7), ( 8 ), pg/g hBS NBS NBS NBS drywt 1571 1573 1570 1575 K 1.57 (5%) 1.47 (%) 4.46 (5%) 3.56 (5%) 0.37 (%) Ca 1.45(%) 2.09 ( 7 0 ) 3.00 ( % ) 1.35 (%) 0.41 (%) Mg 4090 6200 (7000)

Fe

172

300

Mn 2050

91

Co (21)'

(0.2) 45 0.11 12

Pb (8)" Cd (8)"

cu

11 328

Zn

a

25

690 238 (0.6) 6.3 (3) 11 62

550 165 (1.5) 1.2 (1.5) 12 50

200 675 (0.1) 10.8 (