Table 4

. | An:RhB . | RhB:KHP . | ||
---|---|---|---|---|

Volume ratios . | Linear regression equation ( ΔI, μA; COD, mg/L)
. | R^{2}
. | Linear regression equation ( ΔI, μA; COD, mg/L)
. | R^{2}
. |

1:9 | ΔI = 1.78·COD + 180.33 | 0.991 | ΔI = 1.69·COD + 142.13 | 0.993 |

2:8 | ΔI = 1.98·COD + 184.10 | 0.994 | ΔI = 1.74·COD + 148.27 | 0.992 |

3:7 | ΔI = 2.30·COD + 188.58 | 0.990 | ΔI = 1.68·COD + 155.34 | 0.995 |

4:6 | ΔI = 2.43·COD + 193.36 | 0.995 | ΔI = 1.65·COD + 161.87 | 0.990 |

5:5 | ΔI = 2.46·COD + 196.68 | 0.995 | ΔI = 1.72·COD + 168.05 | 0.995 |

. | An:RhB . | RhB:KHP . | ||
---|---|---|---|---|

Volume ratios . | Linear regression equation ( ΔI, μA; COD, mg/L)
. | R^{2}
. | Linear regression equation ( ΔI, μA; COD, mg/L)
. | R^{2}
. |

1:9 | ΔI = 1.78·COD + 180.33 | 0.991 | ΔI = 1.69·COD + 142.13 | 0.993 |

2:8 | ΔI = 1.98·COD + 184.10 | 0.994 | ΔI = 1.74·COD + 148.27 | 0.992 |

3:7 | ΔI = 2.30·COD + 188.58 | 0.990 | ΔI = 1.68·COD + 155.34 | 0.995 |

4:6 | ΔI = 2.43·COD + 193.36 | 0.995 | ΔI = 1.65·COD + 161.87 | 0.990 |

5:5 | ΔI = 2.46·COD + 196.68 | 0.995 | ΔI = 1.72·COD + 168.05 | 0.995 |

An, RhB, and KHP represent aniline, rhodamine B, and potassium hydrogen phthalate, respectively.

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