scholarly journals Comparison of Methods for the Determination of the Pore System of a Potential German Gas Shale

2016 ◽  
pp. 163-190
Author(s):  
S. Kaufhold ◽  
G. Grathoff ◽  
M. Halisch ◽  
M. Plötze ◽  
J. Kus ◽  
...  
Keyword(s):  
Comparison Of Methods ◽  
Gas Shale ◽  
Pore System

scholarly journals Comparison of methods for the determination of the pore system of a potential German gas shale

2016 ◽  
pp. 163-190 ◽  
Author(s):  
S. Kaufhold ◽  
G. Grathoff ◽  
M. Halisch ◽  
M. Plotze ◽  
J. Kus ◽  
...  
Keyword(s):  
Comparison Of Methods ◽  
Gas Shale ◽  
Pore System

Comparison of Methods for Determining Biuret in Urea

1979 ◽  
Vol 62 (1) ◽  
pp. 153-159
Author(s):  
Luis F Corominas ◽  
Victor M Boy ◽  
Manuel Guijosa
Keyword(s):  
Atomic Absorption ◽  
Spectrophotometric Determination ◽  
Atomic Absorption Spectrophotometry ◽  
International Organization ◽  
Comparison Of Methods ◽  
Definite Advantage ◽  
Absorption Spectrophotometry ◽  
Alternative Procedures ◽  
Aoac Method

Abstract The official first action AOAC method for the spectrophotometric determination of biuret in urea, 2.072—2.074, was compared with official first action AOAC method 2.C01-2.C03 (atomic absorption spectrophotometry), 2 simplified versions of 2.072-2.074, and modified versions of 2 alternative procedures of the International Organization for Standardization. Three synthetic urea samples (0.3, 1.4, and 3.0% biuret) and 1 commercial urea sample (1.0% biuret) were analyzed. The methods proved to be equivalent and none showed a definite advantage over 2.072-2.074. The purification of biuret and the interference by ammonia are also discussed.

Comparison of Methods for Determination of Sulfamates

1947 ◽  
Vol 19 (5) ◽  
pp. 336-337 ◽  
Author(s):  
W. W. Bowler ◽  
E. A. Arnold
Keyword(s):  
Comparison Of Methods

Comparison of methods for determination of total oil sands-derived naphthenic acids in water samples

Chemosphere ◽  
2017 ◽  
Vol 187 ◽  
pp. 376-384 ◽  
Author(s):  
Sarah A. Hughes ◽  
Rongfu Huang ◽  
Ashley Mahaffey ◽  
Pamela Chelme-Ayala ◽  
Nikolaus Klamerth ◽  
...  
Keyword(s):  
Water Samples ◽  
Oil Sands ◽  
Naphthenic Acids ◽  
Comparison Of Methods ◽  
Total Oil
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