Aktívna norma | Vydaná: 01.06.2025

ASTM C738-94(2025)

Standard Test Method for Lead and Cadmium Extracted from Glazed Ceramic Surfaces

Dostupné jazyky: Anglicky

Dostupné prevedenie: Online zabezpečené PDF, Tlačené

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Podrobné informácie

Označenie: ASTM C738-94(2025)

Dátum vydania: 01.06.2025

Stránok: 3

Krajina: Americká technická norma

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Anotácia

This test method details the standard and precise procedures for the determination of lead and cadmium extracted by acetic acid from glazed ceramic surfaces. The apparatus needed for this procedure include an atomic absorption spectrometer, lead and cadmium lamps, and glassware of chemical resistant borosilicate glass. The water, detergent wash, and reagents such as acetic acid, lead nitrate solution, hydrochloric acid, and cadmium solution should conform to chemical purity specified. Measurement procedures, precision, and bias are discussed thoroughly.

Keywords:
cadmium, glazed ceramic surfaces, lead,, ICS Number Code 81.060.20 (Ceramic products)

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