ISO 995:1975
For ISO 995:1975, item title is Potassium hydroxide for industrial use — Determination of silica content — Reduced molybdosilicate photometric method; status code is 9599; successor is ISO/CD 995; withdrawn / published date is 1975-09-01, recorded from its source on 2026-08-05.
- Identifier
- ISO 995:1975 verified
- Item title
- Potassium hydroxide for industrial use — Determination of silica content — Reduced molybdosilicate photometric method verified
- Status code
- 9599 verified
- Successor
- ISO/CD 995
- Withdrawn / published date
- 1975-09-01 verified
Verified
Review by
What the source says
5439,IS,,ISO 995:1975,Potassium hydroxide for industrial use — Determination of silica content — Reduced molybdosilicate photometric method,Hydroxyde de potassium à usage industriel — Dosage de la silice — Méthode photométrique au molybdosilicate réduit,1975-09-01,1,['71.060.40'],ISO/TC 47,9599,,[5440],"['en','fr']",3,"<p>The method is applicable to products having silica contents exceeding 10 mg/kg. The principle is based on the formation of yellow oxidized silico-molybdic complex in a strongly acid medium, in the presence of boric acid to suppress interference by fluorides. Selective reduction of this complex with a mixture of aminonaphtholsulphonic acid (4-amino-3-hydroxynaphthalene-1-sul
— isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05
Source
- isopublicstorageprod.blob.core.windows.nethttps://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv