GB/T 14700-2002 Determination of vitamin B1 in feed
time:
2024-08-09 07:37:51
- GB/T 14700-2002
- in force
Standard ID:
GB/T 14700-2002
Standard Name:
Determination of vitamin B1 in feed
Chinese Name:
饲料中维生素B1的测定
Standard category:
National Standard (GB)
-
Date of Release:
2002-10-31 -
Date of Implementation:
2003-04-01
Standard ICS number:
Agriculture>>65.120 FeedChina Standard Classification Number:
Agriculture & Forestry>>Animal Husbandry>>B46 Animal Feed and Additives
alternative situation:
GB/T 14700-1993
publishing house:
China Standards PressISBN:
155066.1-19197Publication date:
2003-04-01
Release date:
1993-11-06Review date:
2004-10-14Drafting Organization:
National Feed Quality Supervision and Inspection CenterFocal point Organization:
National Feed Industry Standardization Technical CommitteePublishing Department:
National Standardization AdministrationCompetent Authority:
National Standardization Administration
Description (Translated English) / downloadSkip to download
Summary:
This standard specifies two methods for determining the content of vitamin B1 (thiamine) in feed using a fluorescence spectrophotometer and a high performance liquid chromatograph. Method 1 specified in this standard is applicable to the determination of vitamin B1 in feed raw materials, compound feeds, concentrated feeds, compound premixes, and vitamin premixes. The solution range of the extract is 0.02μg/Ml to 0.2μg/Ml (this method is not applicable in the presence of interfering substances that adsorb thiamine or affect the fluorescence of thiochromes). Method 2 specified in this standard is applicable to the determination of compound premixes and vitamin premixes with a vitamin B1 content greater than 20mg/kg. GB/T 14700-2002 Determination of vitamin B1 in feed GB/T14700-2002 Standard download decompression password: www.bzxz.net
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