ASTM-D3270 2013

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D3270-13 Standard Test Methods for Analysis for Fluoride Content of the Atmosphere and Plant Tissues (Semiautomated Method)

Published By	Publication Date	Number of Pages
ASTM	2013	10

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Categories: 13.040.20 - Ambient atmospheres, ASTM

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Description

ASTM D3270-13

Historical Standard: Standard Test Methods for Analysis for Fluoride Content of the Atmosphere and Plant Tissues (Semiautomated Method)

ASTM D3270

Scope

1.1 These test methods describe the semiautomated procedure for the analyses of various types of samples for the purpose of determining total fluoride. Since the test methods incorporate microdistillation of the sample, they may be applied to any fluoride-containing solution where standards of identical composition have been carried through the same sample preparation procedures and have proven to provide quantitative recovery when analyzed by the semiautomated system. Conversely, the methods shall not be applied for analyses until the applicability has been demonstrated.

1.2 In normal use, the procedure can detect 0.1 μg/mL of F. The normal range of analysis is from 0.1 to 1.6 μg/mL of F. Higher concentrations can be analyzed by careful dilution of samples with reagent water. If digested samples routinely exceed 1.6 μg/mL of F, the analytical portion of the pump manifold can be modified to reduce sensitivity. However, the best procedure is to analyze a smaller aliquot of the sample. Most accurate results are obtained when the fluoride concentration falls in the middle or upper part of the calibration curve.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. See 8.3, 10.2.4, and 10.2.5 for additional precautions.

Keywords

ambient atmospheres; colorimetric determination of fluoride; fluoride; potentiometric determination of fluoride

ICS Code

ICS Number Code 13.040.20 (Ambient atmospheres)

DOI: 10.1520/D3270-13

Additional information

Standard Title	D3270-13 Standard Test Methods for Analysis for Fluoride Content of the Atmosphere and Plant Tissues (Semiautomated Method)
Published Code	ASTM
Publication Date	2013
Pages Count	10
ICS Codes	13.040.20 - Ambient atmospheres