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Journal of Analytical Methods in Chemistry
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Journal of Analytical Methods in Chemistry
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2015
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Article
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Tab 1
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Research Article
Quantification of Sunscreen Benzophenone-4 in Hair Shampoos by Hydrophilic Interactions Thin-Layer Chromatography/Densitometry or Derivative UV Spectrophotometry
Table 1
Parameters of calibration plots.
Chromatography/densitometry
Spectrophotometric 0 derivative
285 nm
Spectrophotometric 2nd derivative
285 nm
Calibration plot
0.9990
0.9999
0.9999
IDL
0.03
μ
g spot
−1
0.001 mg mL
−1
0.001 mg mL
−1
IQL
0.1
μ
g spot
−1
0.003 mg mL
−1
0.003 mg mL
−1