发明名称 |
METHOD OF DETERMINING WEIGHT RATIO OF OXYGEN IN METAL POWDERS |
摘要 |
FIELD: chemistry.SUBSTANCE: method includes preparing a sample, obtaining atomic emission spectra and identifying oxygen from a spectral emission line with wavelength of 777.19 nm. The source used to excite atomic emission spectra is a frequency double-pulse laser based on yttrium aluminium garnet, activated with neodymium, with wavelength of 1064 nm and inter-pulse delay of 5-10 mcs. The sample is prepared by pressing the analysed material and then treating the surface of the sample with a laser. When using the invention, the total relative error in determining the weight ratio of oxygen in metal powders is not more than 15 wt %; the range of determining the weight ratio of oxygen in metal powders is 0.1 to 10 wt %.EFFECT: high accuracy.3 ex, 1 tbl |
申请公布号 |
RU2530483(C1) |
申请公布日期 |
2014.10.10 |
申请号 |
RU20130116154 |
申请日期 |
2013.04.09 |
申请人 |
ROSSIJSKAJA FEDERATSIJA, OT IMENI KOTOROJ VYSTUPAET GOSUDARSTVENNAJA KORPORATSIJA PO ATOMNOJ EHNERGII "ROSATOM" - GOSKORPORATSIJA "ROSATOM";FEDERAL'NOE GOSUDARSTVENNOE UNITARNOE PREDPRIJATIE "ROSSIJSKIJ FEDERAL'NYJ JADERNYJ TSENTR-VSEROSSIJSKIJ NAUCHNO-ISSLEDOVATEL'SKIJ INSTITUT EHKSPERIMENTAL'NOJ FIZIKI"-FGUP "RFJATS-VNIIEHF" |
发明人 |
POTEKHIN ANDREJ ALEKSANDROVICH;TARASOVA ANNA IVANOVNA |
分类号 |
G01N21/63 |
主分类号 |
G01N21/63 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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