A. KOEBERG‐TELDER

Quantitave nuclear magnetic resonance analysis of mixtures of isomeric arenesulfonic acids in sulfonation mixtures

Hans Cerfontain, A. KOEBERG‐TELDER, Cornelis Kruk et al. · Analytical Chemistry · 1974 · 48 citations

Engineering, Chemical Analysis, Magnetic Resonance +16

Solutes in sulphuric acid. Part VI. A nuclear magnetic resonance study of organic sulphonic acids and 1H nuclear magnetic resonance standards; pK BH determination of sulphonic acids

A. KOEBERG‐TELDER, Hans Cerfontain · Journal of the Chemical Society Perkin Transactions 2 · 1975 · 25 citations

Chemical Engineering, Chemical Measurement, Engineering +10

Aromatic sulfonation. 90. Sulfonation of three symmetrical 2,6-dialkylphenols, 2,6-dimethylanisole. Sulfation and sulfonation product distributions and mechanisms

Hans Cerfontain, A. KOEBERG‐TELDER, Hans J. A. Lambrechts et al. · The Journal of Organic Chemistry · 1984 · 25 citations

Chemical Measurement, Engineering, Sulfonation Product Distributions +13

Solutes in sulfuric acid. Part VII. Ionization of benzenesulfonic acid; determination of pKBH by 13C NMR

Hans Cerfontain, A. KOEBERG‐TELDER, Cornelis Kruk · Tetrahedron Letters · 1975 · 20 citations

Sulfuric Acid, Chemical Measurement, Engineering +11

Solutes in sulfuric acid. Part VIII. Protonation of phenol, 4‐fluorophenol and the 2‐ and 4‐sulfonates of anisole and phenol in concentrated aqueous sulfuric acid; determination of p<i>K</i>_a values by means of ¹³C NMR

A. KOEBERG‐TELDER, Hans J. A. Lambrechts, Hans Cerfontain · Recueil des Travaux Chimiques des Pays-Bas · 1983 · 19 citations

Sulfuric Acid, Polyphenolics, Chemical Measurement +12