Stabilization of Ferric Thiocyanate Color in Aqueous Solution

Baily, Paul

doi:10.1021/ac60130a046

Cited by 11 publications

(3 citation statements)

References 18 publications

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“…Upon further investigation, the color was due to the formation of the ferric thiocyanate complex. According to Baily, this complex will dissociate with exposure to light resulting in the original clear that was initially observed. Additionally, it is important to note that this color can be preserved in the presence of acid .…”

Section: Resultsmentioning

confidence: 99%

A Comparative Study of the Role of Hydrogen on Degradation of the Mechanical Properties of API X60, X60SS, and X70 Pipeline Steels

Rahman

Mohtadi-Bonab

Ouellet

et al. 2019

steel research int.

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Three grades of high strength pipeline steel (API X60, X60SS, and X70) are subjected to cathodic hydrogen charging to determine the susceptibility of each steel grade to hydrogen-induced cracking (HIC). The specimens are subjected to tensile stress until failure to generate stress-strain, ductility, and toughness data. The fractured specimens are analyzed using a scanning electron microscope equipped with an EDS detector to determine crack initiation sites for the investigated grades of steel. The expectation that the X60SS steel grade will perform better than other grades is not met, instead it is found that under the cathodic hydrogen charging condition, the X60SS is more susceptible than the other two steel grades with respect to loss of toughness, ductility, and ultimate tensile strength. The presence of Ca-Albased inclusions is the most common along the fracture surfaces. Therefore, these inclusions also act as fairly strong trapping sites that under plastically strained conditions, they can result in fisheye features which severely impact the mechanical properties of the steel specimens.

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Section: Resultsmentioning

confidence: 99%

A Comparative Study of the Role of Hydrogen on Degradation of the Mechanical Properties of API X60, X60SS, and X70 Pipeline Steels

Rahman

Mohtadi-Bonab

Ouellet

et al. 2019

steel research int.

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“…Underwood (667) used a new reagent, ethylenediamine di(o-hydroxyphenylacetic acid), for spectrophotometric iron determination. Baily (35) stabilized ferric thiocyanate color in aqueous solution by the addition of methyl ethyl ketone-acetone. Rosenthal et al (587) suggested the inclusion of control serum samples for the estimation of serum iron by the Kingsley-Getchell bathophenanthroline and the Ramsay dipyridyl methods.…”

Section: Klotzmentioning

confidence: 99%

Clinical Chemistry

Kingsley¹

1959

Anal. Chem.

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“…6 The m a s spectrometry of azo dyes has been studied and has depended upon the ability to ionize the particular compounds under study. This property suggests the analytical use of their absorption spectra, and methods for the determination of azo dyes often take advantage of their ultraviolet-visible (UV-vis) spectra.'…”

Section: Introductionmentioning

confidence: 99%

Collisional activation mass spectra of M−. ions of azo dyes containing 2-naphthol

Brumley

Brilis

Calvey

et al. 1989

Biol. Mass Spectrom.

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Collisionally activated decomposition mass spectra of M-. ions of azo dyes are presented. The compounds are of general structure Ar(1)--N = N--Ar(2), where Ar(1) is substituted phenyl and Ar(2) is 2-naphthol. Characteristic fragment ions observed include m/z 157, which corresponds to the 2-naphthol substituent with cleavage of the--N = N--bond represented as [Ar(2)--N]-.. Ion of general structure [Ar(1)--NH]- are also observed. Parent ion scans of m/z 157 provide a potential screening technique for 2-naphthol-containing axo dyes. Specific results are reported for the chloroform extract of FD&C Red #8, and capillary gas chromatographic introduction is compared with direct exposure probe introduction for the identification of dyes.

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Stabilization of Ferric Thiocyanate Color in Aqueous Solution

Abstract: have some of the instability problems associated with the methods in which cerium (IV) or a cerium (IV) complex is the basis of the absorbance measurement.

Cited by 11 publications

References 18 publications

A Comparative Study of the Role of Hydrogen on Degradation of the Mechanical Properties of API X60, X60SS, and X70 Pipeline Steels

A Comparative Study of the Role of Hydrogen on Degradation of the Mechanical Properties of API X60, X60SS, and X70 Pipeline Steels

Clinical Chemistry

Collisional activation mass spectra of M−. ions of azo dyes containing 2-naphthol

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