Determination of Nb with Photometric Method of 3, 5-Dibromo-PADAP-Tar

Li Hongling; Dong Junping; Liu Yuhong; Li Jingjie

doi:10.13374/j.issn1001-053x.1996.01.022

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Li Hongling, Dong Junping, Liu Yuhong, Li Jingjie. Determination of Nb with Photometric Method of 3, 5-Dibromo-PADAP-Tar[J]. Chinese Journal of Engineering, 1996, 18(1): 96-99. doi: 10.13374/j.issn1001-053x.1996.01.022

Citation:

Li Hongling, Dong Junping, Liu Yuhong, Li Jingjie. Determination of Nb with Photometric Method of 3, 5-Dibromo-PADAP-Tar[J]. Chinese Journal of Engineering, 1996, 18(1): 96-99. doi: 10.13374/j.issn1001-053x.1996.01.022

Citation:

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Determination of Nb with Photometric Method of 3, 5-Dibromo-PADAP-Tar

doi: 10.13374/j.issn1001-053x.1996.01.022

1. Library, USTB, Beijing 100083, PRC;
2. Laboratory Adminstrative Office;
3. Department of Metallurgy

Received Date: 1995-09-05
Available Online: 2021-10-29

Abstract

Abstract

The contents of trace Nb in low alloy steels have been determined by using photometric method of a complex compound derived from the reaction between Nb and 3, 5-dibromo -PADAP-tar in the range of pH 1.0~4.0. The experimental results show that it is more accuracy and reliable comparing with other testing methods.
- spectrophotometry,
- low alloy steels,
- slags,
- niobium