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4楼2013-10-22 10:05:42
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oven1986: 金币+2, 感谢应助，鼓励一下。 2013-10-22 18:28:38
chim: 金币+5, ★★★★★最佳答案 2013-11-13 13:38:24
Title: Determination of Manganese in Welded Joint and Pipe Body of API X100 Grade SAWH and SAWL Pipe for Gas Pipeline Transportation Systems  
Author(s): Shao, XD (Shao, Xiaodong); Han, XL (Han, Xinli); Song, GS (Song, Guangsan); He, XD (He, Xiaodong); Liu, YQ (Liu, Yangqin); Zhu, JL (Zhu, Jinlian); Wu, XH (Wu, Xiaohua)
Source: ASIAN JOURNAL OF CHEMISTRY  Volume: 25  Issue: 6  Pages: 3487-3490  Published: JUN 2013   
Times Cited in Web of Science: 0  
Total Times Cited: 0  
Cited Reference Count: 20  
Abstract: With the rapid development of economy the demands of oil and gas are further increased. Pipeline system is the main form of transportation for natural gas. The high strength pipe line steels will become the preferred materials for modern natural gas transmission pipeline. It was well known that determination of manganese in X100 grade submerged arc welding longitudinal steel pipe. The method was based on the oxidation-reduction reaction between ammonium persulphate and manganese(II) producing managanese(VII) in the presence of silver nitrate as a catalyst. The characteristic wavelength of maximum absorption of manganese(VII) was obtained locating at 530 nm, Under the optimum reation conditions the absorption value was proportional to the concentration of manganese in the range of 0.18-2.0% (R-2 = 0.9997) and the relative standard deviation was less than 3.0% (n = 5), The proposed method was applied successfully to determine manganese in welded joint and pipe body of X100 grade submerged-arc welding helical and submerged-arc welding longitudinal steel pipe samples.
Accession Number: WOS:000317245900130  
Language: English
Document Type: Article
Author Keywords: Manganese; Spectrophotometry; X100 grade SAW steel pipe; Welded joint
KeyWords Plus: ATOMIC-ABSORPTION-SPECTROMETRY; INDUCED BREAKDOWN SPECTROSCOPY; STEEL; SAMPLES; FLAME; PRECONCENTRATION; COLUMN
Addresses: [Shao, Xiaodong; Han, Xinli; He, Xiaodong; Liu, Yangqin] CNPC Tubular Goods Res Inst, Xian 710065, Peoples R China.
[Song, Guangsan; Zhu, Jinlian; Wu, Xiaohua] Zhenjiang Entry Exit Inspect & Quarantine Bur, Zhenjiang 212008, Peoples R China.  
Reprint Address: Shao, XD (reprint author), CNPC Tubular Goods Res Inst, 32 Dianzier Rd, Xian 710065, Peoples R China.
E-mail Addresses: shaoxd@163.com
Publisher: ASIAN JOURNAL OF CHEMISTRY  
Publisher Address: 11/100 RAJENDRA NAGAR, SECTOR 3,, SAHIBABAD 201 005, GHAZIABAD, INDIA  
Web of Science Categories: Chemistry, Multidisciplinary
Research Areas: Chemistry
IDS Number: 121LI  
ISSN: 0970-7077  
29-char Source Abbrev.: ASIAN J CHEM  
ISO Source Abbrev.: Asian J. Chem.  
Source Item Page Count: 4
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3楼2013-10-18 08:12:46
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