Experimental Study on Determination of Trisodium Phosphate Concentration in Water Based on Spectral Technique

Xiao-peng SUN; Rui-jun MA; Yu CHEN; Huan-yi ZHEN; Chuang-li MA

doi:10.3964/j.issn.1000-0593(2020)10-3205-06

Spectroscopy and Spectral Analysis, Volume. 40, Issue 10, 3205(2020)

Experimental Study on Determination of Trisodium Phosphate Concentration in Water Based on Spectral Technique

Xiao-peng SUN*... Rui-jun MA, Yu CHEN, Huan-yi ZHEN and Chuang-li MA |Show fewer author(s)

Author Affiliations

College of Engineering, South China Agricultural University, Guangzhou 510642, China

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Figures & Tables(8)

Fig. 1. Original absorption spectra of trisodium phosphatein by using three types experimental system
(a): Pulse xenon lamp with 100 mm optical path; (b): Deuterium halide lamp with 100 mm optical path;(c): Deuterium halide lamp with 10 mm optical path

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Fig. 2. Absorption spectra of trisodium phosphate after S-G pretreatment bu using three types experimental system
(a): Pulse xenon lamp with 100 mm optical path; (b): Deuterium halide lamp with 100 mm optical path; (c): Deuterium halide lamp with 10 mm optical path

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Fig. 3. MEAN-STD distribution of MCCV method
(a): Experiment of pulse xenon lamp with 100 mm optical path; (b): Experiment of deuterium halide lamp with 100 mm optical path; (c): Experiment of deuterium halide lamp with 10 mm optical path

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Fig. 4. The correlation coefficient between absorbance and wavelength of trisodium phosphate for three types experiments
(a): Pulse xenon lamp with 100 mm optical path; (b): Deuterium halide lamp with 100 mm optical path;(c): Deuterium halide lamp with 10 mm optical path

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Table 1. PLS model results of three types experiments with different pretreatment methods

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Table 1. PLS model results of three types experiments with different pretreatment methods

数据来源	预处理方法	因子数	预测集
数据来源	预处理方法	因子数	$R_{P}^{2}$	RMSEP	RPD
100 mm 光程比色皿脉冲氙灯实验	移动平均平滑	5	0.996 3	0.816 3	17.092 1
	S-G卷积平滑	5	0.996 5	0.796 2	17.523 6
	一阶导数	6	0.995 9	0.865 9	16.113 1
	二阶导数	9	0.950 9	2.994 0	4.660 1
100 mm 光程比色皿氘卤灯实验	移动平均平滑	6	0.997 8	0.561 9	22.136 9
	S-G卷积平滑	6	0.997 9	0.549 0	22.657 1
	一阶导数	5	0.996 4	0.727 6	17.095 6
	二阶导数	6	0.988 0	1.321 5	9.412 6
10 mm 光程比色皿氘卤灯实验	移动平均平滑	5	0.995 6	0.830 9	15.632 9
	S-G卷积平滑	5	0.995 7	0.826 2	15.721 8
	一阶导数	4	0.991 6	1.154 5	11.251 1
	二阶导数	4	0.857 4	4.748 8	2.735 3

Table 2. PLS model results of all band data of trisodium phosphate before and after singular sample removed

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Table 2. PLS model results of all band data of trisodium phosphate before and after singular sample removed

序号	数据来源		因子数	样本数	变量数	校正集		预测集
序号	数据来源		因子数	样本数	变量数	$R_{C}^{2}$	RMSEC	$R_{P}^{2}$	RMSEP	RPD
a	100 mm光程比色皿脉冲氙灯实验	剔除前	5	65	320	0.999 3	1.093 8	0.996 5	0.796 2	17.523 6
a	100 mm光程比色皿脉冲氙灯实验	剔除后	5	59	320	0.999 3	0.794 3	0.996 9	0.758 2	18.401 9
b	100 mm光程比色皿氘卤灯实验	剔除前	6	65	320	0.999 4	0.963 9	0.997 9	0.549 0	22.657 1
b	100 mm光程比色皿氘卤灯实验	剔除后	6	57	320	0.999 5	0.800 7	0.998 0	0.544 9	22.827 6
c	10 mm光程比色皿氘卤灯实验	剔除前	5	65	428	0.997 8	1.909 5	0.995 7	0.826 2	15.721 8
c	10 mm光程比色皿氘卤灯实验	剔除后	5	58	428	0.999 3	0.869 6	0.996 5	0.743 5	17.470 6

Table 3. Characteristic wavelengths of trisodium phosphate and its PLS model results

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Table 3. Characteristic wavelengths of trisodium phosphate and its PLS model results

序号	数据来源	特征波长 /nm	因子数	校正集		预测集
序号	数据来源	特征波长 /nm	因子数	$R_{C}^{2}$	RMSEC	$R_{P}^{2}$	RMSEP	RPD
a	100 mm光程比色皿脉冲氙灯实验	214.099 8 258.528 9	2	0.992 7	2.658 6	0.970 5	2.321 6	6.009 8
b	100 mm光程比色皿氘卤灯实验	218.837 1 309.760 6	2	0.995 3	2.455 6	0.972 6	1.992 6	6.242 5
c	10 mm光程比色皿氘卤灯实验	204.66 316.17	2	0.982 2	4.264 3	0.962 5	2.436 8	5.330 5

Table 4. Characteristic band of trisodium phosphate and its PLS model results

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Table 4. Characteristic band of trisodium phosphate and its PLS model results

序号	数据来源	变量数	因子数	校正集		预测集
序号	数据来源	变量数	因子数	$R_{C}^{2}$	RMSEC	$R_{P}^{2}$	RMSEP	RPD
a	100 mm光程比色皿脉冲氙灯实验	48	7	0.999 8	0.472 5	0.998 0	0.599 1	23.288 8
b	100 mm光程比色皿氘卤灯实验	48	7	0.999 7	0.670 0	0.996 5	0.708 0	17.568 8
c	10 mm光程比色皿氘卤灯实验	61	6	0.999 4	0.800 3	0.994 1	0.967 3	13.428 5

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Xiao-peng SUN, Rui-jun MA, Yu CHEN, Huan-yi ZHEN, Chuang-li MA. Experimental Study on Determination of Trisodium Phosphate Concentration in Water Based on Spectral Technique[J]. Spectroscopy and Spectral Analysis, 2020, 40(10): 3205

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Paper Information

Category: Research Articles

Received: Jan. 10, 2020

Accepted: --

Published Online: Jun. 18, 2021

The Author Email: SUN Xiao-peng (403752506@qq.com)

DOI:10.3964/j.issn.1000-0593(2020)10-3205-06

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. PLS model results of three types experiments with different pretreatment methods

Table 1. PLS model results of three types experiments with different pretreatment methods

Table 2. PLS model results of all band data of trisodium phosphate before and after singular sample removed

Table 2. PLS model results of all band data of trisodium phosphate before and after singular sample removed

Table 3. Characteristic wavelengths of trisodium phosphate and its PLS model results

Table 3. Characteristic wavelengths of trisodium phosphate and its PLS model results

Table 4. Characteristic band of trisodium phosphate and its PLS model results

Table 4. Characteristic band of trisodium phosphate and its PLS model results

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