GB/T 21729-2008 in English

SUPERSEDED

Determination of selenium content in tea

Issued on:2008-05-04
Implemented on:2008-10-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $200.00
$194.00

Standard No:	GB/T 21729-2008
Document status:	SUPERSEDED
Superseded by:	GB 5009.93-2017 Food safety national standard -- Determination of selenium in food
Superseded on:	2017-12-30
Title in English:	Determination of selenium content in tea
Title in Chinese:	茶叶中硒含量的检测方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2008-05-04
Implemented on:	2008-10-01
ICS Classification:	67.140.10-Tea
Chinese Classification:	X04-Basic standards and general methods
Professional Classification:	GB-National Standard
Related Keywords:	selenium content tea scopethis standard tea leaves content tea
Related Topics:	Deuterium content detection method in water selenium tea Bromine content detection in water Which method content detection Content detection Content detection method Content detection Fluorine content in tea Tea Testing Content detection method Zinc content detection method Chlorine content detection method h content detection Selenium detection Lead content in tea Method for detecting selenium content Benzene detection method in water Bromine content detection method Bromine content detection method flow detection content How to measure sulfur content in water Nickel content detection method Tea Testing Tea detection Deuterium content detection detection Gas content detection method in water Deuterium content detection in water Sulfur content detection method in water How to detect gas content in water Tea checks those Detection method of neutralizing antibody Gas phase content method detection Lufenuron content detection method Selenium detection Selenium detection Tea detection method Tea Standard Tea testing basis Tea detection method and n content detection Tea detection method Tea content How to detect the content of tea Determination method of total nitrogen content in medium Test method for aluminum content Main testing of tea Gas content detection method Nitrogen content detection method Method of content detection Testing Center Testing Program Carbon content detection in steel Selenium content Selenium content in tea Method for detecting organic nitrogen content in water Tea detection items Fiber content in tea Selenium content How to use it in detection Regulations on Tea Tea Mercury National tea testing mid autumn tea National tea testing Cadmium content detection method Gas phase content detection method Fluorine content detection method Nickel content detection method Total Fluoride in Tea Determination method of impurity content in water testing tea Tea Standard content of tea Detection of selenium content in tea Tea content Selenium content in tea testing tea All kinds of tea testing Detect selenium content in the body Determination of phenol content in water Selenium content detection Fluorine content in tea Selenium Quantitative Methods Determination of Fluorine Content in Tea Ash content in tea Selenium content detection Tea Mercury Selenium content in tea Gas content detection method Determination of Fluorine in Tea l selenium Selenium content in steel Detection of aluminum content in water Determination method of selenium element content Selenium detection element content Selenium element selenium content detection Selenium content Content detection method Method for detecting ammonia content Ammonia content detection method tea mid autumn Hexavalent Selenium Tea checks those items Tea item detection Selenium in tea neutralization assay Tea testing basis 15 tests of tea About the detection of tea Oxygen content detection in water Method for detecting large amounts of sodium Fluorine content detection method Quantum Selenium Content of tea products h2o2 content detection Selenium content of Panax notoginseng Selenium content of Panax notoginseng tea selenium Tea detection 28 items moisture in tea Detection of fluorine content in water Cadmium detection in tea Detection of oil content in water Pesticides that must be detected in tea Gas content detection in water How to measure the leaves Selenium content detection method Testing basis for tea Selenium detection Selenium Detection method of selenium element Basis of cadmium content in tea Selenium detection method Air content detection method Detection methods in agricultural testing What does tea detect Aluminum content detection in water Selenium content detection method Efficient water content detection method How many items are tested for tea Selenium detection Fiber Content in Tea GBT21729 GB/T 21729-2008 EU tea testing Leaf dry weight measurement method Accurately measure selenium content in wine NO content cannot be detected by Griess method Reagents for measuring selenium Lianyang tea detection Folic acid detection lcmsms Chinese Pharmacopoeia folic acid detection method How to measure leaf area Detection method of oxalic acid in tea Daxi content detection method Quinone content detection method What are the methods for detecting lithium content? Solid content detection method and calculation method Testing method for national standard potassium content Detection method for benzene content in plastic parts Peptide content detection method Carbon content detection method Detection method for peptide content Formic acid content and detection methods Detection method for ammonia content Determination of carbon content of tea leaves Tea digestion method Solid content detection method Method for testing the moisture content of black tea using the oven method Aluminum content detection method Wood nitrogen content detection method What are the detection methods for peptide content? Amino content detection method Formic acid content detection method Filling content detection method Method for detecting barium content in water Full transfer method to detect content National standard method for detecting peptide content Method for detecting phosphorus content in copper-containing solutions Selenium sulfide washing detection method Detection method for silicone content Methods to detect content in food Detection method for cadmium content in steel What are the methods for detecting phosphorus content in paint? Pre-treatment method for detecting heavy metals in tea Theanine national standard detection method Benzene content detection method Method for detecting oxygen content in aqueous solutions Detection method for active peptide content The detection methods for active peptide content include Detection method of heavy metal content in rice Chlorophyll content detection method Gold content detection method How to measure leaf area All quantitative detection methods in biology Silver content detection method How to detect boron content Folic acid liquid phase detection method Lobelin content detection method Serine content detection method Colorimetric method for determining selenium content in urine Differences in leaf area measurement methods Folic acid moisture detection method Folic acid pharmacopoeia detection method Method for detecting beryllium content in solution Determination method of total rare earth content in tea Theanine content detection method Detection method of ornithine content Selenium content testing international Method for detecting ethanol content in solids Selenium Testing International Selenium testing at home and abroad Selenium element overseas testing Detection method for measuring selenium in soil How to detect chromium content Testing method for iron content in zinc liquid Method for measuring magnesium content in cucumber leaves Ibuprofen content detection method Method for determination of potassium content in leaves Detection method for trace phosphorus content How to measure the leaf length of compound leaves Methods for detecting aluminum content in food Slurry solid content detection method and calculation method Leaf shape measurement method Tea aluminum content Acetic acid content detection method Chinese tea leaves from warehouse Method for measuring salicylic acid content in leaves Pre-treatment methods for pesticide residue detection in tea What is the method for measuring lead content in tea? Detection method of digoxin content Determination method of lutein content Method for determination of organic matter content in leaves How to measure leaf area Deuterated ammonia content detection method How to measure chlorophyll content National standard method for determination of selenium content How to measure leaf area How to detect sugar content Method for detecting selenium salt using combustion bottle Chemical measurement method of chlorophyll content Methods for measuring leaf area Organic matter content detection method Detection method of benzene content in aqueous solution Leaf preservation method for measuring chlorophyll content

《GB/T 21729-2008茶叶中硒含量的检测方法》由442（中华全国供销合作总社）归口，主管部门为中华全国供销合作总社。
本标准规定了用原子荧光光度法检测茶叶中硒含量的方法。本标准适用于茶叶中硒含量的测定。

Scope

This standard specifies the method for detecting selenium content in tea leaves by atomic fluorescence spectrometry. This standard applies to the determination of selenium content in tea.

More samples: QC/T 942-2021 GB 50021-2001(2009) GB 18306-2015

Sample only — not a preview of GB/T 21729-2008

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