Quantitative Analysis of Sodium Carbonate and Sodium Bicarbonate in Solid Mixtures Using Fourier Transform Infrared Spectroscopy (FT-IR)

被引:64
|
作者
Joshi, Shailesh [1 ]
Kalyanasundaram, Sivasubramanian [1 ]
Balasubramanian, Venkatraman [1 ]
机构
[1] Indira Gandhi Ctr Atom Res, Radiol Safety Div, Kalpakkam 603102, Tamil Nadu, India
关键词
Fourier transform infrared spectroscopy; FT-IR; Constant ratio method; Absorbance correction method; Sodium carbonate; Sodium bicarbonate; Internal standard; Liquid metal-cooled fast breeder reactors (LMFBR); CONSTANT RATIO METHOD; QUANTIFICATION; AEROSOL; ATMOSPHERE; SPECIATION; SAMPLES; BLENDS; WATER; FIRE;
D O I
10.1366/12-06915
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
An analytical methodology is proposed based on constant ratio and absorbance correction methods to quantify sodium carbonate, Na2CO3 (1450 cm(-1)), and sodium bicarbonate, NaHCO3 (1000 cm(-1), 1923 cm(-1)), in solid mixtures using Fourier transform infrared (FT-IR) spectroscopy. Potassium ferricyanide, K3Fe(CN)(6) (2117cm(-1)), was used as an internal standard to get characteristic parameters. NaHCO3 was quantified using the constant ratio method. Spectral interference of NaHCO3 in Na2CO3 (1450 cm(-1)) was corrected using the absorbance correction method. The corrected absorbance was successfully applied to quantify Na2CO3 (1450 cm(-1)) in the mixture using the constant ratio method. The results obtained for simulated samples were satisfactory (relative standard deviation less than 7%) for all samples.
引用
收藏
页码:841 / 845
页数:5
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