Research Article

Free Phenolic Hydroxyl and 4-Keto-Guaiacol Groups In Lignin

Volume: 16 January 1, 1969
Aral Olcay
EN

Free Phenolic Hydroxyl and 4-Keto-Guaiacol Groups In Lignin

Abstract

Ligninde serbest fenolik hidroksil gruplarının tayininde kullanılan l-nitroso-2- naftolün,guayakol halkasında hidroksil grubuna nazaran 4-yerinde karbonil grubu ihtiva eden lignin model bileşikleri ile renk reaksiyonu vermediği tesbit edildiğinden, lignin numunesi NaBH4 ile muamele edilerek karbonil grubunun indirgenmesi temin edilmiştir. Böylece indirgenmiş ve indirgenmemiş lignin numuneleri ile l-nitroso-2-naftol arasındaki reaksiyondan elde edilen rengin absorbansları arasındaki farktan ligninde mevcut 4-keto-guayakol grubu miktarı tayin edilmiştir.

Keywords

fenolik hidroksil, absorbans, NaBH4

References

  1. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering
APA
Olcay, A. (1969). Free Phenolic Hydroxyl and 4-Keto-Guaiacol Groups In Lignin. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering, 16, 102-105. https://doi.org/10.1501/Commub_0000000312
AMA
1.Olcay A. Free Phenolic Hydroxyl and 4-Keto-Guaiacol Groups In Lignin. Commun. Fac. Sci. Univ. Ank. Ser. B. 1969;16:102-105. doi:10.1501/Commub_0000000312
Chicago
Olcay, Aral. 1969. “Free Phenolic Hydroxyl and 4-Keto-Guaiacol Groups In Lignin”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 16 (January): 102-5. https://doi.org/10.1501/Commub_0000000312.
EndNote
Olcay A (January 1, 1969) Free Phenolic Hydroxyl and 4-Keto-Guaiacol Groups In Lignin. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 16 102–105.
IEEE
[1]A. Olcay, “Free Phenolic Hydroxyl and 4-Keto-Guaiacol Groups In Lignin”, Commun. Fac. Sci. Univ. Ank. Ser. B, vol. 16, pp. 102–105, Jan. 1969, doi: 10.1501/Commub_0000000312.
ISNAD
Olcay, Aral. “Free Phenolic Hydroxyl and 4-Keto-Guaiacol Groups In Lignin”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 16 (January 1, 1969): 102-105. https://doi.org/10.1501/Commub_0000000312.
JAMA
1.Olcay A. Free Phenolic Hydroxyl and 4-Keto-Guaiacol Groups In Lignin. Commun. Fac. Sci. Univ. Ank. Ser. B. 1969;16:102–105.
MLA
Olcay, Aral. “Free Phenolic Hydroxyl and 4-Keto-Guaiacol Groups In Lignin”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering, vol. 16, Jan. 1969, pp. 102-5, doi:10.1501/Commub_0000000312.
Vancouver
1.Aral Olcay. Free Phenolic Hydroxyl and 4-Keto-Guaiacol Groups In Lignin. Commun. Fac. Sci. Univ. Ank. Ser. B. 1969 Jan. 1;16:102-5. doi:10.1501/Commub_0000000312