GB/T 46742-2025 in English

VALID

Simultaneous determination of N-(n-Buthyl)thiophosphoric triamide and dicyandiamide in fertilizers—High performance liquid chromatography method

Issued on:2025-10-31
Implemented on:2026-05-01
File Format:PDF
Delivery:Via email within 1~3 business days

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Standard No:	GB/T 46742-2025
Document status:	VALID
Title in English:	Simultaneous determination of N-(n-Buthyl)thiophosphoric triamide and dicyandiamide in fertilizers—High performance liquid chromatography method
Title in Chinese:	肥料中正丁基硫代磷酰三胺和双氰胺的同时测定高效液相色谱法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2025-10-31
Implemented on:	2026-05-01
ICS Classification:	65.080-Fertilizers
Chinese Classification:	G20-Basic standards and general methods on chemical fertilizers
Professional Classification:	GB-National Standard
Related Keywords:	high performance liquid chromatography method introductionthis standard high-performance liquid chromatography simultaneous determination thiophosphoric triamide chromatography

《GB/T 46742-2025肥料中正丁基硫代磷酰三胺和双氰胺的同时测定高效液相色谱法》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。

Introduction

This standard provides a method for the simultaneous determination of two specific compounds in fertilizer samples using high-performance liquid chromatography. The procedure outlines the necessary equipment, reagents, and operational steps to ensure accurate and reliable results. It specifies the conditions for sample preparation, chromatographic separation, and detection. The method is designed to be applicable for routine analysis in relevant laboratories. The standard also includes details on calibration, calculation of results, and the requirements for the quality control of the analytical process. It ensures consistency in the testing procedures and supports the accurate assessment of the specified compounds in fertilizer products.

*** Please note: This description may not be accurate, please refer to the official documentation.

More samples: JGJ 94-2008 JC/T 2453-2018 GB 50021-2001(2009)

Sample only — not a preview of GB/T 46742-2025

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