NY/T 724-2003
AbolishedDetermination of lasalocid in feeds - High performance liquid chromatography
饲料中拉沙洛西钠的测定 高效液相色谱法
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 方法原理 → 4 试剂和溶液 → 5 仪器和设备 Foreword → 1 Scope → 2 Normative References → 3 Principle of Method → 4 Reagents and Solutions → 5 Instruments and Equipment
Scope
This standard specifies the high performance liquid chromatography method for the determination of lasalocid content in animal feeds. This standard is applicable to the determination of lasalocid content in compound feeds, concentrated feeds and additive premixed feeds. The detection limit of this method is 5 mg/kg.
本标准规定了检测动物饲料中拉沙洛西钠含量的高效液相色谱方法。本标准适用于配合饲料，浓缩饲料和添加剂预混合饲料中拉沙洛西钠含量的测定。本方法检测限为5 mg/kg。
Normative References
Keywords
Application Summary AI generated
Feed manufacturers and quality inspection agencies use this standard to determine the content of lasalocid in feeds. Lasalocid is an anticoccidial drug, and accurate measurement is crucial for ensuring feed safety and preventing excessive drug residues. This standard provides a unified and reliable testing method, safeguarding animal health and food safety.
饲料生产企业和质检机构使用本标准来检测饲料中拉沙洛西钠的含量。拉沙洛西钠是一种抗球虫药物，准确测定其含量对于确保饲料安全、防止药物残留超标至关重要。该标准为行业提供了统一、可靠的检测方法，保障了动物健康和食品安全。
AI Summary AI generated
This standard specifies a high performance liquid chromatography method with fluorescence detection for determining lasalocid content in feeds. It is applicable to compound feeds, concentrated feeds, and additive premixed feeds, with a detection limit of 5 mg/kg. The method involves extracting the sample with methanol and using phosphate buffer-acetonitrile-methanol as the mobile phase. The standard references GB/T 6682 and GB/T 14699.1, and details reagent preparation and equipment requirements.
本标准规定了用高效液相色谱-荧光检测法测定饲料中拉沙洛西钠含量的方法。适用于配合饲料、浓缩饲料和添加剂预混合饲料，检测限为5 mg/kg。方法原理是用甲醇提取试样，以磷酸盐缓冲液-乙腈-甲醇为流动相进行分离测定。标准引用了GB/T 6682和GB/T 14699.1两个规范性文件，并详细列出了试剂、溶液配制及仪器设备要求。
Key Sentences extracted from text
本标准规定了检测动物饲料中拉沙洛西钠含量的高效液相色谱方法。
本标准适用于配合饲料，浓缩饲料和添加剂预混合饲料中拉沙洛西钠含量的测定。
本方法检测限为5 mg/kg。
用甲醇提取试样中的拉沙洛西钠，以磷酸盐缓冲液-乙腈-甲醇作为流动相，用高效液相色谱——荧光检测法分离测定。
除非另有说明，本法所用试剂均为分析纯，水为去离子水，符合GB/T 6682二级用水的规定。
This standard specifies the high performance liquid chromatography method for the determination of lasalocid content in animal feeds.
This standard is applicable to the determination of lasalocid content in compound feeds, concentrated feeds and additive premixed feeds.
The detection limit of this method is 5 mg/kg.
Lasalocid in the sample is extracted with methanol, and separated and determined by high performance liquid chromatography with fluorescence detection using phosphate buffer-acetonitrile-methanol as mobile phase.
Unless otherwise specified, all reagents used in this method are of analytical grade, and water is deionized water, complying with the requirements of grade 2 water in GB/T 6682.