DPS
Drejtoria e Përgjithshme e Standardizimit
0 Items
My account
E-albania
Phone: +355 4 222 62 55
E-mail: info@dps.gov.al
Address: Address: "Reshit Collaku" Str., (nearby ILDKPKI, VI floor), Po.Box 98, Tiranë - Albania
Main menu

ISO 3363:1976

Fluorochlorinated hydrocarbons for industrial use — Determination of acidity — Titrimetric method

Sep 1, 1976

General information

90.93     Nov 29, 2023

ISO

ISO/TC 47

International Standard

71.080.20  

French   English  

Buying

Published

Language in which you want to receive the document.

Scope

Applicable to products the acidity of which is between 2 mol and 200 mol of univalent acid per kg. Two procedures are given: one is applicable to liquid products (R11, R113, etc.) and the other one to gaseous (R12, R22, etc.). The principle consists in extraction of the acids by water. Titration of the acids in the aqueous phase with standard volumetric sodium hydroxide solution in the presence of bromocresol green as indicator. A figure shows an apparatus for absorption of acids for products which are gaseous at ordinary temperatures.

Life cycle

NOW

PUBLISHED
ISO 3363:1976
90.93 Standard confirmed
Nov 29, 2023