GB/T 13885-2003动物饲料中钙、铜、铁、镁、锰、钾、钠和锌含量的测定原子吸收光谱法.pdf

ICS 65.120 B 46 }Gt:3 中 华 人 民 共 和 国 国 家 标 准 GB/T 13885-2003/ISO6869:2000 代替GB/T13885-1992 动物饲料中钙、铜、铁、镁、锰、钾、钠 和锌含量的测定 原子吸收光谱法 Animalfeedingstuffs-Determinationofthecontentsofcalcium,copper,iron, magnesium,manganese,potassium,sodiumandzinc- Methodusingatomicabsorptionspectrometry (ISO6869:2000,IDT) 2003-11-01发布 2004-05-01实施 中 华 人 民 共 和 国 发 布 国家 质 量 监 督 检 验 检 疫 总 局 GBJT 13885-2003JLSO 6869:2000 目 次 前言 ·············甲·甲··，，，，，·······················，，，············‘······，·，，，甲甲·，，·····················，，·，·，，，…… 1 1 范围 ·············，，··································································“··························…… 1 2 规范性引用文件 ······，···············。··········。·······，·······。。·。······.··.············。······.·……，，。.……1 3 原理 ······································································。·。····································…… 1 4 试剂和溶液 1 5 仪器设备 ····························‘… 2 6 采样 ·······················‘…… 3 7 试样的制备 ·····，，，··········。··············，，·························，·，，，··························，·········……3 8 分析步骤 ·················“················································································，··.··…… 3 9 结果表示 ············。···························。····································。···························…… 4 10精密度·····························。··························。·······························。···················…… 4 10.1实验室间试验·一，·················。。·····.一，...……4 10.2重复性· 5 10.3再现性···，，，，，···，·········‘········，，，，，，，·······，.‘价 ‘····，，，，··，，·，’······‘价价····· ，，·~-.. · 5