ACIDIC HYDROXYL-GROUPS DETERMINATION IN COAL DERIVED LIQUIDS BY THERMOMETRIC TITRATION

被引：0
|
作者：
SURYGALA, J
SLIWKA, E
机构：
来源：
CHEMIA ANALITYCZNA | 1991年 / 36卷 / 5-6期
关键词：
D O I：
暂无
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Usefulness of the method of thermometric titration for acidic hydroxyl groups determination in coal derived liquids coming from pyrolysis, extraction and hydrogenation processes as well as in group components of these materials (oils, asphaltenes, preasphaltenes) was investigated. Titrations were performed in pyridine-acetone solution using 0,7 mol.l-1 potassium hydroxide in isopropanol as titrant. The effect of titrant concentration, presence of water or other solvents in the acetone on the titration curve were studied in series of benzoic acid titrations. Accuracy and precision of the method was evaluated with several model components, low temperature coal tars and group components separated from coal tars. In conclusion, the method can be used to determine the acidic hydroxyl groups in coal derived liquids with satisfactory results.
引用
收藏
页码：933 / 940
页数：8
相关论文
共 50 条
  • [21] AQUAMETRIC DETERMINATION OF HYDROXYL-GROUPS WITH TRIFLUOROACETIC-ACID - APPLICATION TO POLYESTERS
    LUCCHESI, CA
    BERNSTEIN, B
    BANGASSER, RP
    ANALYTICAL CHEMISTRY, 1975, 47 (01) : 173 - 176
  • [22] DETERMINATION OF HYDROXYL GROUPS IN MODEL COMPOUNDS, COAL AND COAL EXTRACTS
    HALLEUX, A
    DELAVARENNE, S
    TSCHAMLER, H
    FUEL, 1959, 38 (03) : 283 - 290
  • [23] QUANTITATIVE-DETERMINATION OF HYDROXYL-GROUPS ON NATURAL MORDENITE BY THE METHOD OF IR SPECTROSCOPY
    ANNAGIEV, MK
    COLLOID JOURNAL OF THE USSR, 1981, 43 (02): : 273 - 275
  • [24] QUANTITATIVE INFRARED STUDY OF THE DISTINCT ACIDIC HYDROXYL-GROUPS CONTAINED IN MODIFIED Y-ZEOLITES
    KHABTOU, S
    CHEVREAU, T
    LAVALLEY, JC
    MICROPOROUS MATERIALS, 1994, 3 (1-2): : 133 - 148
  • [25] DETERMINATION OF THE AMOUNT OF THE SURFACE HYDROXYL-GROUPS ON IRON OXIDE(III) BY VARIOUS METHODS
    MATSUDA, S
    OKAZAKI, S
    NIPPON KAGAKU KAISHI, 1986, (10) : 1287 - 1291
  • [26] STUDY OF WATER ADSORBED ON SILICA .4. THERMOGRAVIMETRIC DETERMINATION OF HYDROXYL-GROUPS
    MORARIU, VV
    ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-FRANKFURT, 1975, 97 (5-6): : 235 - 240
  • [27] Quantitative determination of acidic groups in functionalized graphene by direct titration
    Ederer, Jakub
    Janos, Pavel
    Ecorchard, Petra
    Stengl, Vaclav
    Belcicka, Zuzana
    St'astny, Martin
    Pop-Georgievski, Ognen
    Dohnal, Vlastimil
    REACTIVE & FUNCTIONAL POLYMERS, 2016, 103 : 44 - 53
  • [28] DETERMINATION OF FUNCTIONAL-GROUPS OF COAL-DERIVED LIQUIDS BY NMR AND ELEMENTAL ANALYSIS
    ALLEN, DT
    PETRAKIS, L
    GRANDY, DW
    GAVALAS, GR
    GATES, BC
    FUEL, 1984, 63 (06) : 803 - 809
  • [29] DETERMINATION AND CHARACTERIZATION OF UNREACTED HYDROXYL-GROUPS IN A CROSS-LINKED POLY(ORTHO ESTER)
    STONG, JD
    WITCHEYLAKSHMANAN, LC
    ANALYTICAL CHEMISTRY, 1994, 66 (20) : 3505 - 3511
  • [30] DETERMINATION OF HYDROXYL-GROUPS AND-OR WATER ON SURFACE OF OXIDE CATALYSTS BY A PULSE CHROMATOGRAPHIC METHOD
    NONDEK, L
    REACTION KINETICS AND CATALYSIS LETTERS, 1975, 2 (03): : 283 - 289
12345