The Kjeldahl-Gunning-Arnold Method for Nitrogen; On Shortage of Dyes in the United States; To Change the Specific Gravities of Solutions; Platinum Theft; Hydrometallurgical Apparatus?Correction; The Normal Chlorine Content of Surface Waters of Western Florida
1962 ◽
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1971 ◽
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1970 ◽
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1966 ◽
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1964 ◽
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1958 ◽
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1957 ◽
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