Chemical analysis of nitrate of rare earth for agriculture—Determination of total rare earth oxide content—Gravimetric method

NEPLATNÁ vydána dne 30.12.1990

Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 1:Determination of arsenic,mercury,lead,cadmium and chromium contents—Inductively coupled plasma mass spectrometry method

NEPLATNÁ vydána dne 14.1.2011

Chemical analysis of nitrate of rare earth for agriculture—Determination of chlorine content—Mercurimetric method

NEPLATNÁ vydána dne 30.12.1990

Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 2:Determination of chlorine content

NEPLATNÁ vydána dne 14.1.2011

Chemical analysis of nitrate of rare earth for agriculture—Determination of arsenic content—Hydride generation flame atomic absorption spectrophotometric method

NEPLATNÁ vydána dne 30.12.1990

Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 3:Determination of the water insoluble matter content—Gravimetry

NEPLATNÁ vydána dne 14.1.2011

Chemical analysis of nitrate of rare earth for agriculture—Determination of mercury content—Flame atomic absorption spectrophotometric method

NEPLATNÁ vydána dne 30.12.1990

Chemical analysis of nitrate of rare earth for agriculture—Determination of chrome content-sys—Diphenyl carbazide spectrophotometric method

NEPLATNÁ vydána dne 30.12.1990

Chemical analysis of nitrate of rare earth for agriculture—Determination of lead and cadmium content—Flame atomic absorption spectrophotometric method

NEPLATNÁ vydána dne 30.12.1990

Chemical analysis of nitrate of rare earth for agriculture—Determination of thorum content—Spectrometric method with Cl-TBP levextred resin separation

NEPLATNÁ vydána dne 30.12.1990