GB 22177-2008Pendimethalin technical material (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents".

Drafting.

This document replaces GB/T 22177-2008 "Pentamyl Technical Grade". Compared with GB/T 22177-2008, the only changes are structural adjustments and editing.

Aside from the sexual alterations, the main technical changes are as follows.

---Appearance specifications have been changed (see 4.1, 3.1 in the 2008 version);

---The acetone insoluble matter index has been changed (see 4.2, 3.2 in the 2008 edition);

---The method for determining the mass fraction of pendimethalin has been changed, and the gas chromatography method has been replaced with the arbitration method (see 5.5, 4.3 of the 2008 edition);

---Added inspection rules (see Chapter 6);

---The acceptance period has been changed (see Chapter 7, 5.7 of the 2008 edition).

Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.

This document was proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China.

This document is under the jurisdiction of the National Technical Committee on Pesticide Standardization (SAC/TC133).

1 Scope

This document specifies the technical requirements, inspection rules, acceptance procedures, quality guarantee period, marking, labeling, packaging, and storage of pendimethalin technical grade.

The test method for pendimethalin technical grade is described.

This document applies to the quality control of pendimethalin technical product.

Note. Other names, structural formulas and basic physicochemical parameters of dimethomorph are given in Appendix A.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 1600-2021 Method for Determination of Moisture Content in Pesticides GB/T 1601 Method for Determination of pH Value of Pesticides GB/T 1604 Rules for Acceptance of Commercial Pesticides GB/T 1605-2001 Sampling Methods for Commercial Pesticides GB 3796 General Rules for Pesticide Packaging GB/T 8170-2008 Rules for rounding off numerical values and the representation and determination of limiting values GB/T 19138 Determination of Acetone-Insoluble Matter in Pesticides

3 Terms and Definitions

This document does not contain any terms or definitions that need to be defined.

4 Technical Requirements