Determination of Trace Elements in High Purity Iron by Solid Phase Extraction/Inductively Coupled Plasma Mass Spectrometry

Hasegawa, Shuichi; Sato, Koichi; Ide, Kunikazu; Kobayashi, Takeshi; Igarashi, Shukuro; Naito, Kunishige

doi:10.2320/jinstmet1952.64.12_1212

Cited by 17 publications

(4 citation statements)

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“…Many separation techniques, including sorption, [5][6][7][8][9][10][11][12] liquidliquid extraction, [13][14][15][16][17][18] coprecipitation, [18][19][20][21][22] electrolysis, 14,23,24) and volatilization, 25,26) have been employed to determine impurities at ultratrace levels in iron and steels. However, these techniques are often tedious and time-consuming and they sometimes require volatile, flammable, and ill-smelling organic solvents or corrosive and hazardous acids.…”

Section: Introductionmentioning

confidence: 99%

Matrix-precipitation for the Determination of Trace Impurities in High-purity Iron

Matsumiya¹,

Kuromiya²,

Hiraide³

2013

ISIJ Int.

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The present paper describes a facile method for the determination of trace impurities in iron metals. This method is based on the selective removal of the matrix element as hydroxide precipitate followed by the determination of desired trace elements left in the solution. To an iron sample solution were added ethylene glycol bis(2-aminoethyl ether)-N,N,N',N'-tetraacetic acid (EGTA) and diethylenetriamine. The iron(III) matrix was almost completely (>99%) precipitated at pH 9.5, while trace elements [Mn(II), Co(II), Ni(II), Cu(II), Zn(II), Cd(II), and Pb(II)] were left in the solution due to the complexation with EGTA and diethylenetriamine. The sufficient removal of the matrix element and negligible loss of trace elements allowed the sensitive determination at ng g -1 levels by inductively coupled plasma-mass spectrometry.KEY WORDS: matrix precipitation; iron(III) hydroxide; trace metals; high-purity iron; inductively coupled plasma-mass spectrometry.

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Section: Introductionmentioning

confidence: 99%

Matrix-precipitation for the Determination of Trace Impurities in High-purity Iron

Matsumiya¹,

Kuromiya²,

Hiraide³

2013

ISIJ Int.

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“…The author investigated extremely simple separation methods without using detrimental organic solvents in the microelement quantification method in high-purity iron and steels. These methods include one 15) that uses chromazurol B, known as a complex forming agent of iron, as the collecting agent of iron, in addition to solid-phase extraction 16,17) using chemical bonding type silica gel as the solid-phase extraction agent. With this solid phase extraction for separation of iron, the sample solution is passed through a solid-phase column in which 0.5 g of chemical bonding type silica gel is filled into a 15 cm 3 syringe.…”

Section: Introductionmentioning

confidence: 99%

Elemental Analysis of Iron and Steel by Solid-phase Extraction/ICP–MS Using an Anion Exchange Extraction Disk

Hasegawa

2014

ISIJ Int.

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Various investigations were conducted to establish quantification of microelements in iron and steel using ICP-MS with solid-phase extractive separation capable of separating the matrix simply and rapidly as a pretreatment. A "zero-emission type analysis" free from EDTA as a masking agent and buffering agents used for pH adjustment was sought. To do so, an anion-exchange type solid-phase extraction disk was used as the solid-phase extraction agent, along with "skill-free analysis" requiring no cumbersome manipulations, and "quick analysis" for assessment in an extremely short period of time. Results show a target element in a solid-phase disk, whereas the sample solution at separation was maintained at higher than pH 1.8. The pH adjustment was conducted by dilution of the sample solution with about 400 cm 3 of water. The target element held in the solid-phase disk was eluted with 10 cm 3 of 3 kmol/m 3 nitric acid.

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“…11,12) This method is not harmful to humans or the environment like organic solutions; moreover, it is a very simple separation method. Therefore, we attempted to introduce the solid phase extraction method to this study using chemically bonded silica gel to extract chemicals.…”

Section: Introductionmentioning

confidence: 99%

Determination of Trace Elements in High-Purity Molybdenum by Solid-Phase Extraction/ICP-MS

et al. 2004

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We attempted a simple pretreating method consisting of solid-phase extraction using bonded silica gel with benzenesulfonic acid (SCX) as the solid-phase sorbent to determine trace elements in pure molybdenum samples by means of inductively coupled plasma mass spectrometry (ICP-MS). Molybdenum was anionized by adding hydrogen peroxide solution to a sample decomposed with acid, and separated from cation trace impurities that had been kept in the chemically bonded silica gel of the ion-exchange type. The target elements retained in the solid phase were eluted with a small amount of dilute nitric acid. In this method, some trace elements, such as Be, Al, Mg, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Cd, In, Tl, Pb and Bi were determined by ICP-MS using the eluate. The detection limitations (3)

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Determination of Trace Elements in High Purity Iron by Solid Phase Extraction/Inductively Coupled Plasma Mass Spectrometry

Cited by 17 publications

References 0 publications

Matrix-precipitation for the Determination of Trace Impurities in High-purity Iron

Matrix-precipitation for the Determination of Trace Impurities in High-purity Iron

Elemental Analysis of Iron and Steel by Solid-phase Extraction/ICP–MS Using an Anion Exchange Extraction Disk

Determination of Trace Elements in High-Purity Molybdenum by Solid-Phase Extraction/ICP-MS

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