HOW TO USE THE MIC FORMS:

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INTERNATIONAL SOIL ANALYTICAL EXCHANGE
METHOD INDICATING CODE (MIC)
HOW TO USE THE MIC FORMS:
*
the MIC should be reported only once;
*
use the questionnaire on page 4 for reporting you MIC for the first time;
*
always fill in your code name and code number;
*
always fill in the starting date of the MIC codes;
*
fill in the element and corresponding code number (see form for results);
*
fill in the code for the used digestion and extraction technique (table 1);
*
fill in the used method of detection (table 2);
*
sent this form always by surface mail even when you use fax or E-mail because
sometimes it is problematic to get clear readable documents.
Example
You indicate behind the element Cd (number=41) under the digestion and extraction
technique the code I and under the detection technique the code BAE. This example
means that for the determination of Cd in soil material in your laboratory a "total
analysis" is done using a mixture of conc. HNO3 + conc. HCl ; for the detection of Cd
AAS-ETA with Zeeman background correction without chemical modifier is used.
document code
version
: IF03.09
: 4 (July 2003)
page 1 of 4
INTERNATIONAL SOIL ANALYTICAL EXCHANGE
METHOD INDICATING CODE (MIC)
Tables:
Table 1
$
+
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
X
Z
Digestion/extraction and other procedures
Details of elementnumbers 103, 126 and 127
No digestion or extraction
Exactly the method (procedure) mentioned on the form for results
Real total neutron activation analysis
Real total X-ray fluorescence with material melted
Real total X-ray fluorescence with material pressed
Real total melt
Real total acid digestion with HF and final medium HCl
Real total acid digestion with HF and final medium H2SO4
Real total acid digestion with HF and final medium HNO3
Real total acid digestion with HF and final medium HClO4
"Total analysis" mixture of conc. HNO3 + conc. HCl (ISO 11466.2)
"Total analysis" others (specify)
"Total analysis" mixture of conc. H2SO4 + conc. HNO3
"Total analysis" conc. H2SO4 + catalyst(s)
Extraction with 1 M NH4NO3 1:2.5 (W/V)
Extraction with boiling 2 M HNO3 1:10 (W/V)
Extraction with 0.1 M NaNO3 1:2.5 (W/V)
Extraction with 0.01 M CaCl2 1:10 (W/V)
Actual CEC + base saturation 0.01 M BaCl2 (ISO 11260)
Potential CEC + base saturation 1 M Am. acetate
Potential CEC + base saturation using 1 M BaCl2-TEA pH=8.1 (ISO 13536)
as I using boiling under reflux
as I using a microwave
Potential CEC + base saturation using 0.1 M BaCl2-TEA (BZE method)
dry combustion
Others (give a short description)
document code
version
: IF03.09
: 4 (July 2003)
page 2 of 4
INTERNATIONAL SOIL ANALYTICAL EXCHANGE
METHOD INDICATING CODE (MIC)
Table 2
Methods of detection
AA
AAS-Flame without preconcentration
AAA
without background correction using air-acetylene
AAB
without background correction using N2O-acetylene
AAC
with deuterium background correction using air-acetylene
AAD
with deuterium background correction using N2O-acetylene
AAE
with Zeeman background correction using air-acetylene
AAF
with Zeeman background correction using N2O-acetylene
AAG
with pulsed hollow cathode lamp background correction using air-acetylene
AAH
with pulsed hollow cathode lamp background correction using N2O-acetylene
AB
AAS-Flame with preconcentration
ABA
without background correction using air-acetylene
ABB
without background correction using N2O-acetylene
ABC
with deuterium background correction using air-acetylene
ABD
with deuterium background correction using N2O-acetylene
ABE
with Zeeman background correction using air-acetylene
ABF
with Zeeman background correction using N2O-acetylene
ABG
with pulsed hollow cathode lamp background correction using air-acetylene
ABH
with pulsed hollow cathode lamp background correction using N2O-acetylene
BA
AAS-ETA without preconcentration
BAA
without background correction without chemical modifier
BAB
without background correction with chemical modifier*
BAC
with deuterium background correction without chemical modifier
BAD
with deuterium background correction with chemical modifier*
BAE
with Zeeman background correction without chemical modifier
BAF
with Zeeman background correction with chemical modifier*
BAG
with pulsed hollow cathode lamp without chemical modifier
BAH
with pulsed hollow cathode lamp with chemical modifier*
CA
Flame emission
CB
ICP-AES (different wavelengths are possible; indicate the used wavelength)
CC
other excitation source (dif. wavelengths possible;indicate used wavelength)
D
ICP-MS
E
Spectrophotometry
F
Hydride technique (simular techniques using analyte volatilization;specify)
G
Cold vapour technique
H
Ion selective electrode
IA
Direct voltammetry
IB
Stripping voltammetry
JA
Gas chromatography
JB
Liquid chromatography
JC
Ion chromatography
KA
X-ray fluorescence with material melted
KB
X-ray fluorescence with material pressed
L
Neutron activation analysis
M
Near infrared
N
Infrared
O
Titrimetric
P
Gravimetric
Q
Turbidimetric or Nephelometric
R
Fraction < 2 m , < 63 m and > 63 m
RA
Pipet and sieve method
RB
Hydrometer method
RC
Instrumental methods (e.g. counters)
Z
Others (give a short description)
* specify concentration, type of chemical modifier and l injected sample and modifiers
document code
version
: IF03.09
: 4 (July 2003)
page 3 of 4
INTERNATIONAL SOIL ANALYTICAL EXCHANGE
METHOD INDICATING CODE (MIC)
Codename: …………….
Codenumber: …………….
MIC codes starting date: …………….
MIC MODIFICATION FORM
For the code numbers see form for results
Element
document code
version
Element number
: IF03.09
: 4 (July 2003)
Method of digestion/ extraction
Method of detection
page 4 of 4
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