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Standard Test Method for Determination of Zirconium Treatment Weight or Thickness on Metal Substrates by X-Ray Fluorescence
Automaticky přeložený název:
Standardní zkušební metoda pro stanovení zirkonia léčby váhu nebo tloušťku na kovové substráty rentgenová fluorescence
NORMA vydána dne 15.6.2014
Označení normy: ASTM D7639-10(2014)
Poznámka: NEPLATNÁ
Datum vydání normy: 15.6.2014
Kód zboží: NS-38871
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
benchtop, coating weight, EDXRF, handheld, pre-treatment, substrate, thickness, treatment, WDXRF, x-ray fluorescence, zirconium, ICS Number Code 25.220.40 (Metallic coatings)
Significance and Use | ||||
4.1 The procedure described in this test method is designed to provide a method by which the coating weight of zirconium treatments on metal substrates may be determined. 4.2 This test method is applicable for determination of the total coating weight and the zirconium coating weight of a zirconium-containing treatment. |
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1. Scope | ||||
1.1 This test method covers the use of X-ray fluorescence (XRF) spectrometry for the determination of the mass of zirconium (Zr) coating weight per unit area of metal substrates. 1.2 Coating treatments can also be expressed in units of linear thickness provided that the density of the coating is known, or provided that a calibration curve has been established for thickness determination using standards with treatment matching this of test specimens to be analyzed. For simplicity, the method will subsequently refer to the determination expressed as coating weight. 1.3 XRF is applicable for the determination of the coating weight as zirconium or total coating weight of a zirconium containing treatment, or both, on a variety of metal substrates. 1.4 The maximum measurable coating weight for a given coating is that weight beyond which the intensity of the characteristic X-ray radiation from the coating or the substrate is no longer sensitive to small changes in weight. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 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. |
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2. Referenced Documents | ||||
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