KS M ISO 910-2004(2024)
Sulphuric acid and oleum for industrial use-Determination of total acidity, and calculation of free sulphur trioxide content of oleum-Titrimetric method
KS M ISO 910-2004(2019)
Sulphuric acid and oleum for industrial use-Determination of total acidity, and calculation of free sulphur trioxide content of oleum-Titrimetric method
ISO 4281:1977
Sodium hexafluorosilicate for industrial use — Determination of free acidity and total hexafluorosilicate content — Titrimetric method
ISO 910:1977
Sulphuric acid and oleum for industrial use — Determination of total acidity, and calculation of free sulphur trioxide content of oleum — Titrimetric method
QB/T 5026-2017
Oral care and cleansing products Determination of syringing in toothpastes
UNE 55592:1981
SURFACE ACTIVE AGENTS. SULPHURIC ACID AND OLEUMS FOR USE AS RAW-MATERIALS IN DETERGENTS FORMULATIONS. DETERMINATION OF TOTAL ACIDITY, AND CALCULATION OF FREE SULPHUR TRIOXIDE CONTENT OF OLEUMS. TITRIMETRIC METHOD
31993R0287
31992R0506
31991R2276
31995R0594
31994R0557
\u0413\u041e\u0421\u0422 26180-84
Fodder. Determination of ammonia nitrogen content and actual acidity
KS H ISO 5379-2023
Starches and derived products — Determination of sulfur dioxide content — Acidimetric method and nephelometric method
KS H ISO 5379-2008(2018)
Starches and derived products-Determination of sulfur dioxide content-Acidimetric method and nephelometric method
ISO 5379:2013
Starches and derived products — Determination of sulfur dioxide content — Acidimetric method and nephelometric method
BS EN 1185:1995
Starches and derived products. Determination of sulfur dioxide content. Acidimetric method
DIN EN 1185
Starches and derived products - Determination of sulfur dioxide content by the acidimetric method (ISO 5379:1983, modified)
EN 1185:1994
UNE-EN 1185:1995
STARCHES AND DERIVED PRODUCTS. DETERMINATION OF SULFUR DIOXIDE CONTENT. ACIDIMETRIC METHOD. (ISO 5379:1983 MODIFIED).
ISO 5379:1983
Starches and derived products — Determination of sulfur dioxide content — Acidimetric method and nephelometric method