GB 15063-2009 English PDF (GB15063-2009)

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GB 15063-2009: [GB/T 15063-2009] Compound fertilizer (Complex fertilizer)
GB 15063-2009
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 65.080
G 21
Replacing GB 15063-2001
Compound Fertilizer (Complex Fertilizer)
复混肥料(复合肥料)
ISSUED ON. NOVEMBER 30, 2009
IMPLEMENTED ON. JUNE 01, 2010
Jointly issued by. General Administration of Quality Supervision, Inspection
and Quarantine (GAQSIQ);
Standardization Administration (SAC) of the People's
Republic of China.
Table of Contents
Foreword ... 3 
1 Scope ... 5 
2 Normative References ... 5 
3 Terms and Definitions ... 6 
4 Requirements ... 8 
5 Test Methods ... 8 
6 Inspection Rules ... 9 
7 Marking ... 11 
8 Packing, Transportation and Storage ... 12 
Appendix A ... 13 
Appendix B ... 14 
Foreword
Chapter 4 (except moisture requirements in Table 1 and 4.3), Chapter 6, Chapter 7 (except
7.5), and Chapter 8 (except 8.3) of this Standard are compulsory; the rest are
recommendatory ones.
This Standard replaces GB 15063-2001 "Compound Fertilizer (Complex Fertilizer)".
Main differences between this Standard and GB 15063-2001 are as follows.
— Scope is further defined;
— Index of water-soluble phosphorus of high concentration product accounting for
available phosphorus is adjusted;
— Moisture is changed into that subject to delivery inspection data;
— Indication of chloride ion content index of chloric product is added and is respectively
specified according to low chlorine, medium chlorine, and high chlorine;
— Determination of nitrogen, phosphorus and potassium content of product with
auto-analyzer is added, which is applicable to quick inspection;
— Determination of particle size and mass fraction of chloride ion is written in Appendix A
and Appendix B;
— Determination method of biuret content and marking of biuret content requirements in
product quality certificate are added;
— Specification for product package marking is refined; requirements for warnings of
carbamide nitrogen product and chlorine (high chlorine) product are added.
Appendix A and Appendix B of this Standard are normative, which respectively specify the
determination method of particle size and chloride ion.
From the implementation date of this Standard, exit-factory products shall be subject to this
new standard; after six months of standard implementation, the external packing of
compound fertilizer (complex fertilizer) products in the market is prohibited to be marked with
GB 15063-2001.
This Standard was proposed by China Petroleum and Chemical Industry Association.
This Standard shall be under the jurisdiction of National Technical Committee on Fertilizers
and Soil Conditioners of Standardization of China (SAC TC 105).
Drafting organizations of this Standard. National Fertilizer Quality Supervision Testing Center
(Shanghai), Sino-Arab Chemical Fertilizers Company Limited, Sinofert Holdings Limited, and
Products Quality Supervision and Inspection Institute of Jilin Province.
Chief drafting staffs of this Standard. Zhang Minghong, Wang Lianjun, Liu Gang, Zheng
Shulin, Zhou Lanying, Liu Junhui, Du Xianlan, and Yang Yi.
The previous editions replaced by this Standard are as follows.
— GB 15063-1994, and GB 15063-2001.
Compound Fertilizer (Complex Fertilizer)
1 Scope
This Standard specifies the requirements, test methods, inspection rules, marking, package,
transport, and storage of compound fertilizer (complex fertilizer).
This Standard is applicable to compound fertilizers (including various special fertilizers and
ternary or binary solid fertilizers that take nitrogen, phosphorus and potassium as the basic
nutrient with various names; complex fertilizers that already have applicable national
standards or professional standards such as monoammonium phosphate, diammonium
orthophosphate, nitric phosphate, nitric acid phosphorus potassium fertilizer, agricultural
potassium nitride, potassium dihydrogen phosphate, magnesium phosphorus potassium
fertilizer, organic-inorganic compound fertilizer, and bulk blending fertilizer shall implement
the corresponding product standards. The slow-release of compound fertilizers shall also
implement the corresponding standards.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute
provisions of this Standard. For dated reference, subsequent amendments (excluding
correction) or revisions of these publications do not apply. However, all parties coming to an
agreement according to this Standard are encouraged to study whether the latest edition of
these documents is applicable. For undated references, the latest edition of the normative
document is applicable to this Standard.
GB/T 6003.1-1997 "Test Sieves of Metal Wire Cloth"
GB/T 6679 "General Rules for Sampling of Solid Chemical Products"
GB/T 8170-2008 "Rules of Rounding off for Numerical Values and Expression and
Judgement of Limiting Values"
GB 8569 "Packing of Solid Chemical Fertilizers"
GB/T 8572 "Determination of Total Nitrogen Content for Compound Fertilizers Titrimetric
Method after Distillation"
GB/T 8573 "Determination of Available Phosphorus Content for Compound Fertilizers"
GB/T 8574 "Determination of Potassium Content for Compound Fertilizers Potassium
Tetraphenylborate - Gravimetric Method"
GB/T 8576 "Determination of Free Water for Compound Fertilizers - Vacuum Oven
Method"
GB/T 8577 "Determination of Free Water for Compound Fertilizers - Karl Fischer
Method"
GB 18382 "Fertilizer Marking - Presentation and Declaration"
GB/T 22923 "Determination of Nitrogen, Phosphorus and Potassium for Fertilizers by
Auto Analyzer"
GB/T 22924 "Determination of Biuret Content for Compound Fertilizers (Complex
Fertilizers)"
HG/T 2843 "Chemical Fertilizer Products - Standard Volumetric, Standard, Reagent and
Indicator Solutions for Chemical Analysis"
3 Terms and Definitions
The following terms and definitions are applicable to this Standard.
3.1
Compound fertilizer
It refers to the fertilizer prepared by chemical method and (or) mix method with declarable
content of at least two nutrients of nitrogen, phosphorus and potassium nutrients.
3.2
Complex fertilizer
It refers to the fertilizer only prepared by chemical method with declarable content of at least
two nutrients of nitrogen, phosphorus and potassium nutrients, which is a kind of compound
fertilizer.
3.3
Bulk blending fertilizer
It refers to the particle fertilizer prepared by dry mixing method with declarable content of at
least two nutrients of nitrogen, phosphorus and potassium nutrients, which is also named as
BB fertilizer.
3.4
Organic-inorganic compound fertilizer
It refers to the compound fertilizer with a certain amount of organic matter.
3.5
Primary nutrient; macronutrient
5.2 Determination of total nitrogen content
It is determined according to GB/T 8572 or GB/T 22923. The method in GB/T 8572 is
arbitration method.
5.3 The determination of available phosphorus content, and the calculation of
percentage that the water solubility phosphorus accounts for available phosphorus
It is determined according to GB/T 8573 or GB/T 22923. The method in GB/T 8573 is the
arbitration method.
5.4 Determination of potassium content
It is determined according to GB/T 8574 or GB/T 22923. The method in GB/T 8574 is the
arbitration method.
5.5 Determination of moisture content
It is determined according to GB/T 8577 or GB/T 8576. The method in GB/T 8577 is t...