three parts. It is then submitted that the PA had
adopted chromatography method to determine food colour. Ld. Counsel
has relied upon the judgement ... State of Punjab [1987(II)
PFA Cases 320] to argue that paper chromatography test used for
detecting unpermitted food colours is not a reliable test
product in dispute British Pharmacopoeia prescribes a particular test called 'Chromatography method' and according to the learned Counsel this is the only standard
State Drug Control and Research Laboratory used HPCL
(High-Performance Liquid Chromatography) method, CFSL used different
methodology, namely, GC-MS (Gas Chromatography-Mass Spectrometry
ingredients, stated that the test for argemone oil by thin layer chromatography method gave a positive result, and consequently he expressed the opinion that ... Public Analyst was not justified in using the thin layer chromatography method, which is also called T. L. O. method to find out whether argemone
proper
Testing Method was not followed, as the TLC (Thin Layer Chromatography)
method was used instead of HPLC (High-Performance Liquid
Chromatography). However, if both ... which is far less sensitive as
compared to HPLC, a method being used routinely in the Laboratory. A copy of
the methodology of conducting
test of
those tested urine sample by either of the two methods -
Gas Chromatography or Mass Spectrometry. In the case
at hand what is being ... quoted hereinabove. It is admittedly
not tested by either of the methods as noted hereinabove.
A coordinate Bench of this Court in SRI PRANAY
NATARAJ
Journals can be followed.
The lab reports suggest that a particular method has been adopted to test
the samples. For instance, one of the ingredients ... Methyl Salicylate and Menthol Gel were tested by
'Gas Chromatography' method.
(f) Further, it is seen that the respondent had called for Master
kerosene with blue colour dye (Dialkyldiamino
anthraquinone).
2. Thin Layer chromatography and UV-
Spectrophotometric methods have responded positive
27
for the presence ... kerosene residues in article Nos.3
to 6.
3. Thin Layer chromatography method has
responded negative for the presence of kerosene
residue in article
whereof reads as under:-
"1. Chemical tests, TLC & Gas Chromatography methods
are being used in this laboratory for detection of Residue of
Kerosene
sample(s) „S1‟& „S2‟ were examined by
chemical tests and chromatography methods.
(ii)On chemical tests and chromatographic
analysis gave positive results for cannabinoids