This standard specifies the requirements, test methods, inspection rules, packaging, labeling, transportation and storage of stable isotope C, N double-labeled semicarbazide (C, N-SEM). This standard applies to all C, N double labeled stable isotope semicarbazide products prepared through organic synthesis using fully C, N double labeled hydrazine (hydrazine hydrate) and urea as raw materials.
HG/T 4366-2012 Referenced Document
GB/T 20622-2006 Stable isotope N inorganic labelled compound
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values