共 28 条
[3]
DITHIOPHOSPHORIC-ACID-O,O-DIETHYLESTER FOR TRACE ENRICHMENT ON ACTIVATED CARBON .2. ANALYSIS OF HIGH-PURITY IRON CHROMIUM AND MANGANESE
[J].
FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE,
1982, 310 (3-4)
:230-233
[4]
BODE H, 1957, Z ANAL CHEM, V157, P414
[5]
CONTRIBUTION TO THE PREPARATION OF TRACE CONCENTRATE TARGETS FOR PIXE MULTI-ELEMENT ANALYSIS .2. EXAMPLES OF APPLICATION
[J].
FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE,
1983, 316 (02)
:221-226
[6]
CONTRIBUTION TO THE PREPARATION OF TRACE CONCENTRATE TARGETS FOR PIXE MULTI ELEMENT ANALYSIS .1. PRINCIPLES
[J].
FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE,
1982, 311 (03)
:252-258
[8]
X-RAY FLUORIMETRIC AND ATOMIC-ABSORPTION SPECTROMETRIC DETERMINATION OF TRACES OF ELEMENTS IN THE NG-ML RANGE IN AQUEOUS-SOLUTIONS AFTER PRECONCENTRATION BY PRECIPITATE EXCHANGE ON THIN SULFIDE LAYERS
[J].
FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE,
1979, 295 (2-3)
:97-109
[9]
SPURENANREICHERUNGEN IN ACKERBODEN MIT SELEKTIVER ABTRENNUNG VON EISEN
[J].
FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE,
1958, 161 (05)
:354-362