Determination of oxalic and glycolic acid with isotope dilution methods and studies on the determination of glyoxylic acid
โ Scribed by Stig Johansson; Rumjana Tabova
- Book ID
- 115766330
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 411 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0006-2944
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๐ SIMILAR VOLUMES
Glyoxyhc acid gives a yellow 1:l complex, [Fe-CHOC00]2+ with iron(II1). The dissociation constant, measured by two spectrophotometric methods, is K = 9.7 + 1 mol 1-l. Oxalic acid gives two complexes with iron(II1) which absorb in the same range around 400 nm. With appropriate precautions and correct
An isotope dilution procedure for oxalate based upon [1,2-'T,]oxalic acid is described. For routine determinations of urinary concentration, a known quantity of sodium [1,2-1 'Tloxalate is admixed with the sample, total oxalate precipitated as the calcium salt, and converted by BF, catalysis to di-n