Spectrochemical Determination of Lead, Cadmium, and Zinc in Dusts, Fumes, and Ores1

H. I. Oshry; J. W. Ballard; H. H. Schrenk

doi:10.1364/JOSA.31.000627

Spectrochemical Determination of Lead, Cadmium, and Zinc in Dusts, Fumes, and Ores

H. I. Oshry, J. W. Ballard, and H. H. Schrenk

Journal of the Optical Society of America
Vol. 31,
Issue 10,
pp. 627-633
(1941)
•https://doi.org/10.1364/JOSA.31.000627

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H. I. Oshry, J. W. Ballard, and H. H. Schrenk, "Spectrochemical Determination of Lead, Cadmium, and Zinc in Dusts, Fumes, and Ores1," J. Opt. Soc. Am. 31, 627-633 (1941)

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	Spectral Lines in Angstroms
Element	Element	Internal Standard (Bismuth)
Lead	2,833.1	2,938.3
Cadmium	3,261.1	3,397.2
Zinc	3,345.0	3,397.2

Sample No.	Lead Milligrams		Percent Error	Sample No.	Cadmium Milligrams		Percent Error	Sample No.	Zinc Milligrams		Percent Error
Sample No.	Added	Found	Percent Error	Sample No.	Added	Found	Percent Error	Sample No.	Added	Found	Percent Error
5	0.070	0.074	+6	7	0.11	0.10	−9	1	0.22	0.21	−5
14	.37	.36	−3	1	.25	.25	0	9	.49	.35	−29
3	.67	.62	−7	13	.35	.33	−6	12	.73	.77	+5
9	.96	.94	−2	11	.85	.85	0	5	1.10	1.13	+3
2	2.30	2.37	+3	14	2.10	2.15	+2	15	1.80	1.85	+3
6	3.75	3.63	−3	5	3.30	3.43	+4	6	2.40	2.40	0
11	4.80	4.83	+1	15	4.90	4.80	−2	3	4.10	4.30	+5
15	5.20	5.33	+2	12	5.50	5.60	+2	13	5.90	6.27	+6
13	6.70	7.33	+9	9	5.90	5.63	−4	8	6.80	6.30	−7
4	7.60	7.00	−8	3	6.20	5.93	−4	2	8.40	8.33	−1
7	9.10	7.50	−18	4	7.60	7.33	−3	10	9.30	8.87	−5
1	9.70	10.6	+9	8	9.40	9.05	−4	14	10.2	10.2	0
8	12.5	11.4	−9	2	12.7	13.8	+9	7	12.5	11.3	−10
12	13.1	14.9	+14	10	14.0	13.7	−2	4	13.3	13.3	0
10	14.7	11.7	−20	6	14.8	15.7	+6	11	14.0	15.5	+11

Sample No.	Chemical	Lead, mg D. M. E.*	Spectrograph	D. M. E.*/Chem.	Spec./Chem.	Spec./D. M. E.*
3068	2.75	2.85	2.85	1.04	1.04	1.00
3072	4.77	4.71	4.70	.99	.99	1.00
3083	6.38	6.14	5.75	.96	.90	.94
3087	10.2	10.7	10.8	1.05	1.06	1.01
3091	6.60	6.65	6.70	1.01	1.02	1.01
3086	—	.48	.43	—	—	.90
3090	—	.26	.26	—	—	1.00

Sample No.	Percent Lead			Percent Cadmium			Percent Zinc
Sample No.	Chemical	D. M. E.*	Spectrograph	Chemical	D. M. E.*	Spectrograph	Chemical	D. M. E.*	Spectrograph
1	1.58	1.53	1.4	0.24	0.31	0.22	57	56	59
2	.15	.14	.13	.13	.15	.13	56	53	53
3	.15	.13	.12	.12	.14	.14	53	51	54
4	.60	.59	.58	.19	.19	.17	61	60	64
5	.16	.14	.15	.13	.14	.13	63	60	63
6	.12	.12	.13	.04	.037	.034	65	64	65
7	.26	.29	.30	.078	.13	.11	99+	100	100
8	.42	.43	.47	.027	.024	.028	99+	100	93

	Spectral Lines in Angstroms
Element	Element	Internal Standard (Bismuth)
Lead	2,833.1	2,938.3
Cadmium	3,261.1	3,397.2
Zinc	3,345.0	3,397.2

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