GB/T 13883-2008 in English

《GB/T 13883-2008饲料中硒的测定》由TC76（全国饲料工业标准化技术委员会）归口，主管部门为国家标准化管理委员会。
本标准规定了配合饲料、浓缩饲料及预混合饲料中硒的测定方法。
本标准适用于配合饲料、浓缩饲料及预混合饲料中硒的测定。
氢化物原子荧光光谱法定量限0.01mg/kg；荧光法定量限0.02mg/kg。

1 Scope

This Standard specifies the determination method of selenium in formula feeds, concentrated feeds and premixed feeds.
This Standard is applicable to the determination of selenium in formula feeds, concentrated feeds and premixed feeds.
The limit of quantification of hydride generation-atomic fluorescence spectrometry is 0.01mg/kg; that of fluorescence method is 0.02mg/kg.

2 Normative References

The following standard contains provisions which, through reference in this Standard, constitute provisions of this standard. For dated reference, subsequent amendments (excluding corrigendum) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this Standard are encouraged to study whether the latest edition of these documents applies. For undated references, the latest edition of the normative document applies.
GB/T 6682 Water for Laboratory Use-Specifications (GB/T 6682-1992, neq ISO 3696: 1987)
GB/T 14699.1 Feed - Sampling (GB/T 14699.1-2005, ISO 6497: 2002, IDT)
GB/T 20195 Animal Feeding Stuffs - Specimen Preparation (GB/T 20195-2006, ISO 6498: 1998, IDT)

3 Method I Hydride-atomic Fluorescence Spectrometry (Arbitration Method)

Foreword I
1 Scope
2 Normative References
3 Method I Hydride-atomic Fluorescence Spectrometry (Arbitration Method)
4 Method II 2, 3-diaminonaphthalene Fluorescence Method