过氧化氢产品中部分微量元素测定方法

doi:10.11962/1006-4990.2019-0424

Abstract

Abstract:

Some end users are concerned about the content of P,Fe and K in hydrogen peroxide products.An analysis method of P,Fe and K contents in hydrogen peroxide products by inductively coupled plasma emission spectrometer was proposed.Firstly,standard addition method was used to determine the content of P in the product,and the spike recovery test was carried out at the same time.The contents of Fe and K in the product were determined by standard method,at the same time,the standard deviation of Fe and K and the conformity of detection limit of the method were verified.Secondly,the influence factors and solutions in the experiment were proposed.Experiment results showed that: the contents of P,Fe,K and other trace elements in hydrogen peroxide products were analyzed by inductively coupled plasma emission spectrometer.The comprehensive advantages of this method are obvious.

Key words: hydrogen peroxide, detection of trace elements, detection process

CLC Number:

TQ123.7

Zhou Yi,Nie Xiaoyun. Determination method of some trace elements in hydrogen peroxide products[J]. Inorganic Chemicals Industry, 2020, 52(6): 80-82.

项目名称	波长/ nm	净强度/ cps	平均校准强度/cps	校准质量浓度/（mg·L^-1）
校准空白1	213.617	0.0	520.9	0.0
试样01	213.617	78 003.2	77 482.3	14.8
试样02	213.617	130 231.2	129 710.3	10.0
试样03	213.617	182 792.2	182 271.2	20.0

样品号	样品测定值/ （mg·L^-1）	加入标准值/ （mg·L^-1）	加标测定值/ （mg·L^-1）	回收率/ %
1	14.805	5.00	19.785	99.60
2	14.798	10.00	24.780	99.82
3	14.802	15.00	29.811	100.06
4	14.797	20.00	34.793	99.98

分析次数	ρ（Fe）/（mg·L^-1）	分析次数	ρ（Fe）/（mg·L^-1）
1	1.002	6	1.003
2	0.997	7	1.004
3	1.000	8	0.999
4	1.001	9	1.002
5	0.998	10	1.000

项目名称	波长/ nm	净强度/ cps	平均校准强度/cps	校准质量浓度/（mg·L^-1）
校准空白1	238.204	—	10 223.8	0
标样01	238.204	39 785.4	38 709.4	0.1
标样02	238.204	377 981.3	367 757.4	1.0
试样01（27.5%）	238.204	52 858.1	42 634.2	0.116
试样02（35.0%）	238.204	64 787.6	54 563.8	0.148
试样03（50.0%）	238.204	71 769.8	61 546.0	0.167

分析次数	ρ（K）/（mg·L^-1）	分析次数	ρ（K）/（mg·L^-1）
1	9.998	6	10.003
2	10.000	7	10.005
3	10.000	8	9.998
4	10.005	9	10.002
5	9.999	10	10.006

National Inorganic Salts Information Center

Inorganic Acid-Base-Salt Committee of CIESC

Determination method of some trace elements in hydrogen peroxide products

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项目名称	波长/ nm	净强度/ cps	平均校准强度/cps	校准质量浓度/（mg·L^-1）
校准空白1	766.490	—	149 028.5	0
标样01	766.490	1 225 409.7	1 079 749.3	1.0
标样02	766.490	12 318 889.3	10 862 331.9	10.0
试样01（27.5%）	766.490	3 028 165.2	2 882 904.8	2.670
试样02（35.0%）	766.490	2 897 291.6	2 751 631.2	2.548
试样03（50.0%）	766.490	3 291 128.0	3 145 347.7	2.913

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