54 / 120
Reproducibility
45
The standard deviation or relative standard deviation calculated from among-laboratory data.
46
Expressed as the reproducibility standard deviation (SD
R
); or % reproducibility relative standard
47
deviation (% RSD
R
).
48
49
Recovery
50
The fraction or percentage of spiked analyte that is recovered when the test sample is analyzed
51
using the entire method.
52
53
5.
Method Performance Requirements
:
54
55
See table 2 and 3.
56
57
6.
System suitability tests and/or analytical quality control:
58
Suitable methods will include blank check samples, and check standards at the lowest point and
59
midrange point of the analytical range.
60
61
7.
Reference Material(s):
62
63
See tables 1A and 1B for sources of reference materials.
64
65
Refer to Annex F:
Development and Use of In-House Reference Materials
in Appendix F:
Guidelines
66
for Standard Method Performance Requirements
, 19
th
Edition of the AOAC INTERNATIONAL Official
67
Methods of Analysis (2012). Available at:
http://www.eoma.aoac.org/app_f.pdf68
69
8.
Validation Guidance
:
70
71
Appendix D
: Guidelines for Collaborative Study Procedures To Validate Characteristics of a Method
72
of Analysis;
19
th
Edition of the AOAC INTERNATIONAL Official Methods of Analysis (2012). Available
73
at:
http://www.eoma.aoac.org/app_d.pdf74
75
Appendix F
: Guidelines for Standard Method Performance Requirements; 19
th
Edition of the AOAC
76
INTERNATIONAL Official Methods of Analysis (2012). Available at:
77
http://www.eoma.aoac.org/app_f.pdf78
79
Appendix K
: Guidelines for Dietary Supplements and Botanicals; 19
th
Edition of the AOAC
80
INTERNATIONAL Official Methods of Analysis (2012). Available on line at:
81
http://www.eoma.aoac.org/app_k.pdf82
83
84
9.
Maximum Time-To-Result:
None
85
86
Table 1A: Required Cannabinoids
87
Common
Name
Abbrev
-iation
IUPAC Name
CAS
Number
Molecular
Structure
Reference
Material
Cannabidiol
CBD
2-[(1
R
,6
R
)-6-isopropenyl-3-
methylcyclohex-2-en-1-yl]-5-
pentylbenzene-1,3-diol
13956-29-1
Restek
Cerilliant
Sigma-Aldrich
API Standards
Echo Pharm
Lipomed AG