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GSO ISO 3137:2017
ISO 3137:1974
Gulf Standard
Anhydrous hydrogen fluoride for industrial use -- Sampling
GSO ISO 904:2016
ISO 904:1976
Gulf Standard
Hydrochloric acid for industrial use -- Determination of total acidity -- Titrimetric method
GSO ISO 3423:2015
ISO 3423:1975
Gulf Standard
Sulphuric acid and oleums for industrial use -- Determination of sulphur dioxide content -- Iodometric method
GSO ISO 2997:2015
ISO 2997:1974
Gulf Standard
Phosphoric acid for industrial use -- Determination of sulphate content -- Method by reduction and titrimetry
GSO ISO 910:2015
ISO 910:1977
Gulf Standard
Sulphuric acid and oleum for industrial use -- Determination of total acidity, and calculation of free sulphur trioxide content of oleum -- Titrimetric method
GSO ISO 3360:2015
ISO 3360:1976
Gulf Standard
Phosphoric acid and sodium phosphates for industrial use (including foodstuffs) -- Determination of fluorine content -- Alizarin complexone and lanthanum nitrate photometric method
GSO ISO 3699:2013
ISO 3699:1976
Gulf Standard
Anhydrous hydrogen fluoride for industrial use -- Determination of water content -- Karl Fischer method
GSO ISO 4285:2008
ISO 4285:1977
Gulf Standard
Phosphoric acid for industrial use - Guide to sampling techniques
GSO ISO 2762:2007
ISO 2762:1973
Gulf Standard
Hydrochloric acid for Industrial use – Determination of soluble sulphates- Turbidimetric method.
GSO 1176:2002
Gulf Technical Regulation
PHOSPHORIC ACID FOR INDUSTRIAL USE
GSO 1237:2002
Gulf Standard
Methods of test for sulphur determination of chloride content
GSO 1240:2002
Gulf Standard
Methods of test for sulphur determination of carbonate content