GB/T 5009.197-2003: Determination of thiamine hydrochloride, pyridoxine hydrochloride niacin, niacinamide and caffeine in health foods

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Scope

This Standard specifies the high performance liquid chromatography determination
method of thiamine hydrochloride, pyridoxine hydrochloride, niacin, niacinamide and
caffeine in health foods.
This Standard is applicable to the high performance liquid chromatography determination
method for ADDING thiamine hydrochloride, pyridoxine hydrochloride, niacin, niacinamide
and caffeine that are served as dietary supplements INTO test sample types such as
tablet, capsule, oral liquid and drink.
Detection limit of this method is. 0.02μg for thiamine hydrochloride, 0.02μg for pyridoxine
hydrochloride, 0.10μg for niacin, 0.06μg for niacinamide, and 0.05μg for caffeine. The
linear range is. 0.500μg/mL ~ 50.0μg/mL for thiamine hydrochloride; 0.500μg/mL ~
50.0μg/mL for pyridoxine hydrochloride; 1.00μg/mL ~ 100μg/mL for niacin; 1.00μg/mL ~
100μg/mL for niacinamide; and 5.00μg/mL ~ 500μg/mL for caffeine.

Basic Data

Standard ID	GB/T 5009.197-2003 (GB/T5009.197-2003)
Description (Translated English)	Determination of thiamine hydrochloride, pyridoxine hydrochloride niacin, niacinamide and caffeine in health foods
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	C53
Classification of International Standard	67.040
Word Count Estimation	6,679
Date of Issue	2003-08-11
Date of Implementation	2004-01-01
Issuing agency(ies)	The People Republic of China Ministry of Health, China National Standardization Management Committee
Summary	This standard specifies: Health foods thiamine hydrochloride, pyridoxine hydrochloride, niacin, niacinamide and caffeine high performance liquid chromatographic method. This standard applies to: thiamine hydrochloride, pyridoxine hydrochloride, niacin, niacinamide and caffeine as a dietary supplement added to the sample type of tablets, capsules, oral liquid, drinks, etc. high performance liquid chromatography determination of stresses methods. This method detection limit