GB/T 23349-2009 in English

《GB/T 23349-2009肥料中砷、镉、铅、铬、汞生态指标》由TC105（全国肥料和土壤调理剂标准化技术委员会）归口，主管部门为中国石油和化学工业联合会。
本标准规定了肥料中砷、镉、铅、铬、汞生态指标要求、试验方法及检验规则。
本标准适用于中华人民共和国境内生产、销售的肥料。

1 Scope

This standard specifies the requirements, test methods and inspection rules for ecological index of arsenic, cadmium, lead, chromium and mercury for fertilizers.

This standard is applicable to fertilizers produced and marketed within the territory of the People's Republic of China.

2 Normative references

The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard, however parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.

GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
HG/T 2843 Chemical fertilizer products - Standard volumetric, standard, reagent and indicator solutions for chemical analysis

3 Requirements

3.1 The arsenic, cadmium, lead, chromium and mercury for fertilizers shall meet the requirements of Table 1.

Foreword i
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules