2018
DOI: 10.1016/j.kijoms.2018.01.004
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Simultaneous spectrophotometric estimation of Salbutamol, Theophylline and Ambroxol three component tablet formulation using simultaneous equation methods

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Cited by 16 publications
(12 citation statements)
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“…In this study working standard solutions were prepared over the concentration range 10-50 mg/L and 10-55 mg/L for Ampyrone and its acidic product, respectively. And the absorbance at 243 nm (λ max of Ampyrone) and 257 nm (λ max of acidic product) were selected and measured for the formation of simultaneous equations [20,21].…”
Section: Simultaneous Equation Methodsmentioning
confidence: 99%
“…In this study working standard solutions were prepared over the concentration range 10-50 mg/L and 10-55 mg/L for Ampyrone and its acidic product, respectively. And the absorbance at 243 nm (λ max of Ampyrone) and 257 nm (λ max of acidic product) were selected and measured for the formation of simultaneous equations [20,21].…”
Section: Simultaneous Equation Methodsmentioning
confidence: 99%
“…Further, the developed methods were evaluated for their greenness profile using greenness tools such as analytical eco scale and agree metrics. The principle of the simultaneous equation technique [8] is that when a sample solution includes three drugs (X, Y, and Z) with dissimilar λmax, the concentration of all the three analytes (Cx, Cy, and Cz) is calculated using a simple simultaneous equation [9] using absorptivity of X at λ1, λ2, and λ3 (ax1, ax2, ax3); the absorptivity of Y at λ1, λ2, and λ3 (ay1, ay2, ay3); and absorptivity of Z at λ1, λ2, and λ3 (az1, az2, az3) and absorbance of the sample at λ1, λ2, and λ3 (A1, A2, and A3)…”
Section: Introductionmentioning
confidence: 99%
“…The estimation of drugs in mixtures and multi-component pharmaceutical formulation with overlapping spectra can be estimated more accurately and free from interferences by chemometric calibration techniques. The PCR and PLS used in the present study The principle of the simultaneous equation technique [8] is that when a sample solution includes three drugs (X, Y, and Z) with dissimilar λ max , the concentration of all the three analytes (C x , C y , and C z ) is calculated using a simple simultaneous equation [9] using absorptivity of X at λ 1 , λ 2 , and λ 3 (ax 1 , ax 2 , ax 3 ); the absorptivity of Y at λ 1 , λ 2 , and λ 3 (ay 1 , ay 2 , ay 3 ); and absorptivity of Z at λ 1 , λ 2 , and λ 3 (az 1 , az 2 , az 3 ) and absorbance of the sample at λ 1 , λ 2 , and λ 3 (A 1 , A 2 , and A 3 )…”
Section: Introductionmentioning
confidence: 99%
“…For these potential side effects, detection of the SBS in body fluids and urine is very important. Spectrophotometric techniques [4][5][6][7][8], gas chromatography-mass spectrometry [9,10], high performance liquid chromatography [11,12], liquid chromatography-mass spectrometry [13][14][15], capillary electrophoresis [16][17][18][19][20] and chemiluminescence [21,22] are used for the determination of salbutamol in different samples. These techniques need costly equipment, competent personnel and require complex sample pretreatment procedure.…”
Section: Introductionmentioning
confidence: 99%