Reference Source

ISO 3238:1975

For ISO 3238:1975, item title is Sodium sulphate for industrial use — Determination of calcium content — EDTA complexometric method; status code is 9599; successor is ISO/CD 3238; withdrawn / published date is 1975-07-01, recorded from its source on 2026-08-05.

Identifier
ISO 3238:1975 verified
Item title
Sodium sulphate for industrial use — Determination of calcium content — EDTA complexometric method verified
Status code
9599 verified
Successor
ISO/CD 3238
Withdrawn / published date
1975-07-01 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

8449,IS,,ISO 3238:1975,Sodium sulphate for industrial use — Determination of calcium content — EDTA complexometric method,Sulfate de sodium à usage industriel — Dosage du calcium — Méthode complexométrique à l'EDTA,1975-07-01,1,['71.060.50'],ISO/TC 47,9599,,[8450],"['en','fr']",3,<p>Applicable to products the Ca content of which exceeds 0.002 % (m/m). Extraction of a test portion with dilute acid and separation of the insoluble residue. Titration of the calcium with standard volumetric disodium ethylenediamine-NNN'N'-tetra-acetate dihydrate (EDTA) solution in the presence of glyoxal-bis(hydoxy-2-anil) as indicator.</p>

isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

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