HB/Z 5109.6-2001
DIN 25490
Determination of the uranium content in nuclear grade uranium hexafluoride, uranyl fluoride solutions, uranyl nitrate solutions, uranium oxide, uranium dioxide, powder and pellets; gravimetric method
EN ISO 15366-2:2016
GB/T 12687.5-1990
Chemical analysis of nitrate of rare earth for agriculture—Determination of chrome content-sys—Diphenyl carbazide spectrophotometric method