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in stockReleased: 1991-10-23
UNE 55520:1991
SURFACE ACTIVE AGENTS. DETERGENTS. DETERMINATION OF ANIONIC-ACTIVE MATTER. MANUAL OR MECHANICAL DIRECT TWO-PHASE TITRATION PROCEDURE.
Agentes de superficie. Detergentes. Determinación del contenido en material activa anionica. Método manual o mecánico de valoración directa en dos fases..
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Spanish PDF
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Standard number: | UNE 55520:1991 |
Pages: | 8 |
Released: | 1991-10-23 |
Status: | Standard |
DESCRIPTION
This standard UNE 55520:1991 SURFACE ACTIVE AGENTS. DETERGENTS. DETERMINATION OF ANIONIC-ACTIVE MATTER. MANUAL OR MECHANICAL DIRECT TWO-PHASE TITRATION PROCEDURE. is classified in these ICS categories:
- 71.100.40