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NY 1110-2010: Water-soluble fertilizers. Content-limits of mercury, cadmium, lead and chromium
NY 1110-2010
NY
AGRICULTURAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 65.080
B 10
Replacing NY 1110-2006
Water-soluble Fertilizers - Content-limits of
Mercury, Arsenic, Cadmium, Lead and
Chromium
ISSUED ON. DECEMBER 23, 2010
IMPLEMENTED ON. FEBRUARY 1, 2011
Issued by. Ministry of Agriculture of the People’s Republic of China
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative References ... 4 
3 Terms and Definitions ... 4 
4 Requirements... 5 
5 Test Methods ... 5 
6 Inspection Rules ... 5 
7 Mark ... 6 
Water-soluble Fertilizers - Content-limits of
Mercury, Arsenic, Cadmium, Lead and Chromium
1 Scope
This Standard specifies the content-limits, test methods, inspection rules and product
mark of mercury, arsenic, cadmium, lead and chromium in water-soluble fertilizers.
This Standard is applicable to liquid or solid water-soluble fertilizers that are produced
and sold within the territory of the People’s Republic of China.
2 Normative References
The following documents are indispensable to the application of this Standard. In terms
of references with a specified date, only versions with a specified date are applicable
to this Standard. The latest version (including all the modifications) of references
without a specified date is also applicable to this Standard.
GB/T 6679 General Rules for Sampling Solid Chemical Products
GB/T 6680 General Rules for Sampling Liquid Chemical Products
GB/T 8170 Rules of Rounding-off for Numerical Values and Expression and
Judgement of Limiting Values
NY/T 1978 Fertilizers - Determination of Mercury, Arsenic, Cadmium, Lead and
Chromium Content
NY 1979 Fertilizer Registration - Tech-regulations of Fertilizer Labels
Product Quality Arbitration, Inspection and Product Quality Assessment
Management Measures
3 Terms and Definitions
The following terms and definitions are applicable to this Standard.
3.1 Water-soluble Fertilizers
Water-soluble fertilizers refer to liquid or solid fertilizers that are dissolved or diluted
with water for the purposes of irrigation, fertilization, foliar fertilization, soilless
cultivation, seed soaking, etc.
6.3 The sampling of solid or bulk products shall comply with the stipulations in GB/T
6679. The sampling of fluid products shall comply with the stipulations in GB/T 6680.
6.4 The sample shall be placed in a clean and dry container, mixed promptly. Take 600
g of solid sample of 600 mL of fluid sample; divide it into 2 clean and dry containers;
seal them up and put on a label. Indicate the name of manufacturer, the name of
product, batch number or date of production, date of sampling and the name of sampler.
6.5 After several divisions of solid sample, take out around 100 g. Then, promptly grind
it till it can completely pass through 0.50 mm sieve (if the sample is moist, it can pass
through 1.00 mm sieve). Mix it up, then, place it in a clean and dry container; reserve
it for determination.
6.7 When manufacturing enterprise conducts the exit-factory inspection, if one or more
indicators in the inspection result cannot comply with the requirements of this Standard,
then, re-take a sample from the doubled sampling batch, and conduct re-inspection. If
one or more indexes in the re-inspection result cannot comply with the requirements
in this Standard, the whole batch of products shall not be considered as qualified in
acceptance check.
6.8 In the determination of product quality, adopt “rounding-off comparison method” in
GB/T 8170.
6.10 When there is dispute between the supply side and the demand side about
product quality and demand arbitration, it shall be executed in accordance with the
stipulations in Product Quality Arbitration, Inspection and Product Quality Assessment
Management Measures.
7 Mark
7.1 Product quality certificate, packaging and label shall indicate the maximum
content-limits of mercury, arsenic, cadmium, lead, chromium, and other contents that
shall be indicated.
7.2 For other requirements, it shall comply with the stipulations in NY 1979.