This paper is the outcome of a comprehensive critical review of the calorimetric method for
the determination of uric acid both in blood and in urine. The work began with the …

A technique is described for the isolation of crystalline uric acid from urine by adsorption on
an anion-exchange resin column and elution by a pyridine-formate solution. This method …

The biochemical and clinical importance of uric acid in gout, the Lesch-Nyhan syndrome,
and several other disease states has recently been discussed (1). Serum uric acid is now …

TECHNICAL SECTION Page 1 TECHNICAL SECTION USE OF ALPHA DIKETONES FOR
ANALYSIS OF UREA RC DICKENMAN, MD, B. CRAFTS, MT (ASCP), AND B. ZAK, PH.D …

Thermal ionization-mass spectrometry (TIMS) has long been the benchmark technique for
determining uranium isotope ratios. Instrumentation improvements and application …

Instrumentation and methodology developed for quantitation of stable isotopic traces In
urine are described. Calcium Is Isolated from urine as the Insoluble oxalate salt which Is …

The Automated Thiosemicarbazide-Diacetyl Monoxime Method for Plasma Urea Page 1 The
Automated Thiosemicarbazide-Diacetyl Monoxime Method for Plasma Urea Alan Mather and …

A gas chromatography/negative‐ion chemical ionization mass spectrometry method is
presented to measure the isotopic enrichment of multiple serine and glycine isotopomers …

Sir: We have developed an internal standard technique which gives more than a 5-fold
improvement in the precision of an isotopic analysis made in a thermal ionization mass …

In biomonitoring studies, the very low levels of uranium [U] found in urine and the complexity
of the urine matrix present challenges for accurate isotope ratio determination. The principal …