Standard No.:	GB 38400-2019
English Name:	Limitation requirements of toxic and harmful substance in fertilizers
Chinese Name:	肥料中有毒有害物质的限量要求
Chinese Classification:	G20    Basic standards and general methods on chemical fertilizers
Professional Classification:	GB    National Standard
Issued by:	SAMR and SAC
Issued on:	2019-12-17
Implemented on:	2020-7-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	9500 words
Price(USD):	260.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the limit requirements, test methods and inspection rules for toxic and harmful substance in fertilizers. This standard is applicable to commercial fertilizers produced by various processes. 2 Normative references The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated reference, the latest edition of the referenced document (including any amendments) applies. GB/T 2441.2 Determination of urea — Part 2: Biuret content — Spectrophotometric method GB 5085.1 Identification standards for hazardous wastes — Identification for corrosivity GB 5085.2 Identification standards for hazardous wastes — Screening test for acute toxicity GB 5085.3 Identification standards for hazardous wastes — Identification for extraction toxicity GB 5085.4 Identification standards for hazardous wastes — Identification for ignitability GB 5085.5 Identification standards for hazardous wastes — Identification for reactivity GB 5085.6 Identification standards for hazardous wastes — Identification for toxic substance content GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgment of limiting values GB/T 19524.1 Determination of fecal coliforms in fertilizers GB/T 19524.2 Determination of mortality of ascarid egg in fertilizers GB/T 22924 Determination of biuret content for compound fertilizers (complex fertilizers) GB/T 23349 Determination of arsenic, cadmium, chromium, lead and mercury contents for fertilizers GB/T 31266 Determination of chloral content for superphosphorate GB/T 32952 Determination of polycyclic aromatic hydrocarbons content for fertilizers — Gas chromatography-mass spectrometry method GB/T 35104 Determination of plasticizers (phthalic acid esters) in fertilizer — Gas chromatography-mass spectrometry (GC-MS) ISO 17318 Fertilizers and soil conditioners — Determination of arsenic, cadmium, chromium, lead and mercury contents ISO 18643 Fertilizers and soil conditioners — Determination of biuret content of urea-based fertilizers — HPLC method 3 Terms and definitions For the purposes of this standard, the following terms and definitions apply. 3.1 fertilizer organisms, inorgansms, microorganisms and their mixture which are used to provide, maintain or improve plant nutrition, physical and chemical properties of soil and biological activities, or improve the quality of agricultural products or enhance the stress resistance of plants 3.2 commercial fertilizer fertilizer sold as commodity 3.3 solid waste solid and semi-solid articles and substances and gaseous ones in containers that have lost their original use value or have been discarded or abandoned although they have not lost such value in the course of production, people’s daily lives and other activities, as well as articles and substances that are controlled as solid waste, as prescribed by laws and administrative regulations

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Requirements 5 Test methods 6 Inspection rules Annex A (Normative) Terrestrial plant growth test Annex B (Normative) Determination of total nickel, cobalt, vanadium, antimony and total thallium in fertilizer Inductively coupled plasma atomic emission spectrometry (ICP-AES) Annex C (Informative) Species for plant testing Annex D (Informative) Examples of suitable growth conditions for specific species defined in the growth test of terrestrial plants Bibliography

*GB/T 2441.2-2010 Determination of urea—Part 2:Biuret content—Spectrophotometric method
*GB 5085.1-2007 Identification standards for hazardous wastes - Identification for corrosivity
*GB 5085.2-2007 Identification standards for hazardous wastes - Screening test for acute toxicity
*GB 5085.3-2007 Identification standards for hazardous wastes - Identification for extraction toxicity
*GB 5085.4-2007 Identification standards for hazardous wastes - Identification for ignitability
*GB 5085.5-2007 Identification standards for hazardous wastes - Identification for reactivity
*GB 5085.6-2007 Identification standards for hazardous wastes - Identification for toxic substance content
*GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
*GB/T 19524.1-2004 Determination of fecal coliforms in fertilizers
*GB/T 19524.2-2004 Determination of mortality of ascarid egg in fertilizers
*GB/T 22924-2008 Determination of biuret content for compound fertilizers(complex fertilizers)
*GB/T 23349-2020 Determination of arsenic,cadmium,chromium,lead and mercury contents for fertilizers
*GB/T 31266-2014 Determination of chloral content for superphosphorate
*GB/T 32952-2016 Fertilizers - Determination of polycyclic aromatic hydrocarbons - Gas chromatography - mass spectrometry
*GB/T 35104-2017 Determination of plasticizers(phthalic acid esters) in fertilizer―Gas chromatography-mass spectrometry(GC-MS)