LaMotte SMART 2 Electronic Soil Lab - Manual (Page 82)

SAMPLE
HANDLING &
PRESERVATION:
Sample should be analyzed within 6 hours after
collection. The addition of HCl will help preserve the
metal ion content, however the acid should be
neutralized before analysis.
INTERFERENCES: The following ions interfere in concentrations greater
than those listed.
ION mg/L ION mg/L
Cd(II) 1 Cr(III) 10
Al (III) 5 Ni(II) 20
Mn (II) 5 Cn (II) 30
Fe (III) 7 Co (II) 30
Fe (II) 9 CrO4(II) 50
82 SMART2 SOIL MANUAL 1.07