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
