GB 5009.33-2010 English PDF (GB5009.33-2010)

Delivery: 3 seconds. Download true-PDF + Invoice.Newer version: (Replacing this standard) GB 5009.33-2016
Get QUOTATION in 1-minute: Click GB 5009.33-2010
Historical versions: GB 5009.33-2010
Preview True-PDF (Reload/Scroll if blank)

GB 5009.33-2010: National food safety standard -- Determination of nitrite and nitrate in foods
GB  5009.33‐2010 
GB
National Standard of the People's Republic of
China
National Food Safety Standard
Determination of nitrite and nitrate in foods
ISSUED ON. MARCH 26, 2010
IMPLEMENTED ON. JUNE 1, 2010
Issued by. Ministry of Health of the People’s Republic of China
Table of Contents
For Information Only – GB 5009 and GB 5413 Series Chinese Standards ... 3 
Preface ... 21 
1 Scope ... 22 
Method 1  Ion Chromatography ... 22 
2 Principle ... 22 
3 Reagents and materials ... 22 
4 Instruments and equipment ... 22 
5 Analytical steps ... 23 
6 Expression of analytical result ... 26 
7 Precision ... 27 
Method 2  Spectrophotometry ... 28 
8 Principles ... 28 
9 Reagents and materials ... 28 
10 instruments and equipment ... 30 
11 Analytical steps ... 32 
12 Expression of analytical results ... 33 
13 Precision ... 34 
Method 3  Determination of nitrite and nitrate in milk and dairy products ... 35 
14 Principles ... 35 
15 Reagents and materials ... 35 
16 Instruments and equipment ... 37 
17 Analytical steps ... 38 
18 Expression of analytical results ... 42 
19 Precision ... 44 
20 Others ... 44 
References and Original Chinese Documents ... 45 
For Information Only – GB 5009  and  GB 5413 Series Chinese Standards 
Standard ID Standard Name
Issued
Date
Enforced
Date
New Version (Click to check)?
GB/T 5009.1-2003
Methods of food hygienic analysis-Physical and chemical
section--General principles
GB 5009.3-2010
National food safety standard Determination of moisture in
foods
GB/T 5009.19-2008
Determination of organochlorine pesticide multiresidues in
foods
GB/T 5009.20-2003
Determination of organophosphorus pesticide residues in
foods
GB/T 5009.21-2003
Determination of carbaryl residues in cereals,oils and
vegetables
GB 5009.24-2010
National food safety standard Determination of aflatoxins
M(down1) and B(down1) in foods
GB/T 5009.30-2003
Determination of butylated hydroxyanisole and butylated
hydroxytoluene in foods
National food safety standard Determination of nitrite and
nitrate in foods
GB/T 5009.38-2003
Method for analysis of hygienic standard of vegetables and
fruits
GB/T 5009.43-2003
Method for analysis of hygienic standard of monosodium
glutamate
GB/T 5009.44-2003
Method for analysis of hygienic standard of meat and meat
products
GB/T 5009.45-2003
Method for analysis of hygienic standard of fish and other
aquatic products
GB/T 5009.47-2003
Method for analysis of hygienic standard of egg and egg
products
GB/T 5009.48-2003
Method for analysis of hygienic standard of distilled wines and
mixed wines
GB/T 5009.49-2008
Method for analysis of hygienic standard of fermented
alcoholic beverages and their integrated alcoholic beverages
GB/T 5009.50-2003
Method for analysis of hygienic standard of cold drink and
foods
GB/T 5009.51-2003
Method for analysis of hygienic standard of nonfermented
bean products and gluten
GB/T 5009.52-2003
Method for analysis of hygienic standard of fermented been
products
GB/T 5009.53-2003
Method for analysis of hygienic standard of products made by
starch
GB/T 5009.58-2003
Method for analysis of hygienic standard of polyethylene resin
for food packaging
GB/T 5009.59-2003
Method for analysis of hygienic standard of polystyrene resin
for food packaging
GB/T 5009.60-2003
Method for analysis of hygienic standard of products of
polyethylene,polystyrene and polypropyrene for food
packaging
GB/T 5009.61-2003
Method for analysis of hygienic standard of products of
tripolycyanamide for food packaging
GB/T 5009.62-2003
Method for analysis of hygienic standard of ceramics for food
containers
GB/T 5009.63-2003
Method for analysis of hygienic standard of enamel for food
containers
GB/T 5009.64-2003
Method for analysis of hygienic standard of rubber sheet(ring)
for food use
GB/T 5009.65-2003
Method for analysis of hygienic standard of rubber sealing ring
for pressure cooker for food use
GB/T 5009.66-2003
Method for analysis of hygienic standard of nipple of a feeding
bottle
GB/T 5009.67-2003
Method for analysis of hygienic standard of products of
polyvinyl chloride for food packaging
GB/T 5009.68-2003
Method for analysis of hygienic standard of perchorovinyl-
coating for inner wall of food container
GB/T 5009.69-2008
Method for analysis of hygienic standard of epoxy phenolic
coatings for inner wall of food cans
GB/T 5009.70-2003
Method for analysis of hygienic standard of epoxy coating for
inner wall of food container
GB/T 5009.71-2003
Method for analysis of hygienic standard of polypropyrene
resin for food packaging
GB/T 5009.72-2003
Method for analysis of hygienic standard of aluminum-wares
for food use
GB/T 5009.77-2003
Method for analysis of hygienic standard of edible
hydrogenated oil
GB/T 5009.78-2003
Method for analysis of hygienic standard of papers for food
packaging
GB/T 5009.80-2003
Method for analysis of hygienic standard of
polytetrafluorethylene coating for inner wall of food container
GB/T 5009.81-2003
Method for analysis of hygienic standard of stainless steel food
containers and table wares
GB/T 5009.86-2003
Determination of total ascorbic acid in fruits,vegetables and
derived products-Flourometric method and colorimetric method
GB 5009.93-2010
National food safety standard Determination of selenium in
foods
GB 5009.94-2012
National Food Safety Standard Determination of Rare Earth
Element in Foods of Plant
GB/T 5009.98-2003
Method for analysis of hygienic standard of unsaturated
polyester resin and glass fibre reinforced plastics used as food
containers and packaging materials
GB/T 5009.99-2003
Method for analysis of hygienic standard of polycarbonate
resin used as food containers and packaging materials
GB/T 5009.100-2003
Method for analysis of hygienic standard of products of foamed
polystyrene for food packaging
GB/T 5009.101-2003
Determination of antimony in polyester resin and products for
food containers and packaging materials
GB/T 5009.103-2003
Determination of methamidophos and acephate pesticide
residues in vegetable foods
GB/T 5009.104-2003
Determination of carbamate pesticide residues in vegetable
foods
GB/T 5009.110-2003
Determination of cypermethrin,fenvalerate and deltamethrin
residues in vegetable foods
GB/T 5009.116-2003
Determination of oxytetracyline,tetracyline and
chlortetracycline residues in meat(HPLC)
GB/T 5009.117-2003
Method for analysis of hygienic standard of edible soybean
meal
GB/T 5009.119-2003
Determination of diaminomethylbezen of complex for food
packaging material
GB/T 5009.120-2003
Determination of sodium propionate and calcium propionate in
foods
GB/T 5009.122-2003
Determination of residual ethylidene dichloride in polyvinyl
chloride resin and product for food container and packaging
material
GB/T 5009.125-2003
Determination of 6-caprolactam in nylon 6 resin and its
products
GB/T 5009.127-2003
Determination of germanium in polyester resin and products
for food packaging
GB/T 5009.142-2003
Determination of fluazifop-butyl and its acid residues in
veget...