DIN 53770-3:2007-09
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Pigments and extenders - Determination of matter soluble in hydrochloric acid - Part 3: Arsenic content
Hardcopy , PDF
02-02-2023
German
09-01-2007
1 Anwendungsbereich
2 Normative Verweisungen
3 Kurzbeschreibung
4 Geräte
4.1 Atomabsorptionsspektrometer (AAS-Gerät)
5 Reagenzien
5.1 Allgemeines
5.2 Salzsäure, w(HCl) = 36,5% bis 38%
5.3 Salzsäure, verdünnt 1:1
5.4 Natriumborhydrid, w(NaBH[4]) = 2%
5.5 Arsen-Stammlösung, beta(As) = 1000 mg/l
5.6 Arsen-Standardlösung 1, beta(As) = 10 mg/l
5.7 Arsen-Standardlösung 2, beta(As) = 100 mug/l
5.8 Trägergas (Stickstoff oder Argon), reinst
6 Durchführung
6.1 Probenvorbereitung
6.2 Kalibrierung
6.2.1 Arsen-Bezugslösungen
6.2.2 Bezugsfunktion
6.3 Messung
7 Auswertung
8 Prüfbericht
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