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Número de resultados: 89

UNE 30028:1954  UNE

Estado: Vigente / 1954-11-15

Densidad y composición de las disoluciones acuosas puras de ácido sulfúrico.

CTN 30 INDUSTRIA QUÍMICA INORGÁNICA

UNE 30056:1968  UNE

Estado: Vigente / 1968-11-15

Acido nítrico técnico.

CTN 30 INDUSTRIA QUÍMICA INORGÁNICA

UNE 30027:1953  UNE

Estado: Vigente / 1953-02-15

Densidad y composición de las soluciones acuosas puras de ácido nítrico.

CTN 30 INDUSTRIA QUÍMICA INORGÁNICA

UNE 30026:1952  UNE

Estado: Vigente / 1952-12-15

Densidad y composición de las soluciones acuosas de ácido clorhídrico.

CTN 30 INDUSTRIA QUÍMICA INORGÁNICA

ISO 3139:1976/Amd 1:1980  ISO

Estado: Vigente / 1980-03-01

ISO 3139:1976/Amd 1:1980

ISO 4285:1977  ISO

Estado: Vigente / 1977-12-01

Phosphoric acid for industrial use -- Guide to sampling techniques

ISO 910:1977  ISO

Estado: Vigente / 1977-11-01

Sulphuric acid and oleum for industrial use -- Determination of total acidity, and calculation of free sulphur trioxide content of oleum -- Titrimetric method

ISO 904:1976  ISO

Estado: Vigente / 1976-11-01

Hydrochloric acid for industrial use -- Determination of total acidity -- Titrimetric method

ISO 3699:1976  ISO

Estado: Vigente / 1976-08-01

Anhydrous hydrogen fluoride for industrial use -- Determination of water content -- Karl Fischer method

ISO 3139:1976  ISO

Estado: Vigente / 1976-04-01

Aqueous hydrofluoric acid for industrial use -- Sampling and methods of test

ISO 3423:1975  ISO

Estado: Vigente / 1975-11-01

Sulphuric acid and oleums for industrial use -- Determination of sulphur dioxide content -- Iodometric method

ISO 3137:1974  ISO

Estado: Vigente / 1974-12-01

Anhydrous hydrogen fluoride for industrial use -- Sampling

ISO 2997:1974  ISO

Estado: Vigente / 1974-11-01

Phosphoric acid for industrial use -- Determination of sulphate content -- Method by reduction and titrimetry

ISO 2762:1973  ISO

Estado: Vigente / 1973-11-01

Hydrochloric acid for industrial use -- Determination of soluble sulphates -- Turbidimetric method

ISO 3707:1976  ISO

Estado: Vigente / 1976-12-01

Phosphoric acid for industrial use (including foodstuffs) -- Determination of calcium content -- Flame atomic absorption method

ISO 3706:1976  ISO

Estado: Vigente / 1976-11-01

Phosphoric acid for industrial use (including foodstuffs) -- Determination of total phosphorus (V) oxide content -- Quinoline phosphomolybdate gravimetric method

ISO 3360:1976  ISO

Estado: Vigente / 1976-08-01

Phosphoric acid and sodium phosphates for industrial use (including foodstuffs) -- Determination of fluorine content -- Alizarin complexone and lanthanum nitrate photometric method

BS 4258-13:1990  BSI

Estado: Under Review / 1990-07-31

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of soluble sulphate content (potentiometric method)

BS 4258-5:1989  BSI

Estado: Under Review / 1989-09-29

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of silica content

BS 4258-2:1989  BSI

Estado: Under Review / 1989-09-29

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of iron content

BS 4258-3:1989  BSI

Estado: Under Review / 1989-09-29

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of sulphate content

BS 4258-9:1989  BSI

Estado: Under Review / 1989-09-29

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of chloride content

BS 976:1987  BSI

Estado: Under Review / 1987-12-31

Schedule for density-composition tables for aqueous solutions of hydrochloric acid

BS 975:1987  BSI

Estado: Under Review / 1987-12-23

Schedule for density-composition tables for aqueous solutions of nitric acid

BS 753:1987  BSI

Estado: Under Review / 1987-12-23

Schedule for density-composition tables for aqueous solutions of sulphuric acid

BS 5688-0:1986  BSI

Estado: Confirmed / 1986-07-31

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use. General introduction

BS 4258-12:1982, ISO 4285-1977  BSI

Estado: Confirmed / 1982-11-30

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Guide to sampling techniques

BS 4258-8:1978, ISO 3707-1976  BSI

Estado: Confirmed / 1978-01-31

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of calcium content (flame atomic absorption method)

BS 4258-7:1978  BSI

Estado: Under Review / 1978-01-31

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method

BS 3903:1977  BSI

Estado: Under Review / 1977-04-29

Methods of test for sulphuric acid, oleum and liquid sulphur trioxide

BS 4258-4:1975  BSI

Estado: Under Review / 1976-01-30

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of fluorine content

BS 4367:1968  BSI

Estado: Under Review / 1968-10-21

Methods of test for nitric acid

BS 3993:1966  BSI

Estado: Confirmed / 1966-03-07

Specification for hydrochloric acid, commercial types 1 and 2

ISO 914:1977  ISO

Estado: Anulada / 2002-05-27

Sulphuric acid and oleum for industrial use -- Determination of total nitrogen content -- Titrimetric method after distillation

ISO/R 915:1968  ISO

Estado: Anulada / 2002-05-27

Sulphuric acid and oleum for industrial use -- Determination of iron content -- 2,2'- Bipyridyl spectrophotometric method

ISO 848:1981  ISO

Estado: Anulada / 2002-05-27

Phosphoric acid for industrial use -- Determination of calcium content -- Titrimetric method

ISO/R 849:1968  ISO

Estado: Anulada / 2002-05-27

Phosphoric acid for industrial use -- Determination of iron content -- 2,2'- Bipyridyl spectrophotometric method

ISO 905:1976  ISO

Estado: Anulada / 2002-05-27

Hydrochloric acid for industrial use -- Evaluation of hydrochloric acid concentration by measurement of density

ISO 906:1976  ISO

Estado: Anulada / 2002-05-27

Hydrochloric acid for industrial use -- Determination of sulphate content -- Barium sulphate gravimetric method

ISO 907:1976  ISO

Estado: Anulada / 2002-05-27

Hydrochloric acid for industrial use -- Determination of sulphated ash -- Gravimetric method

ISO 908:1980  ISO

Estado: Anulada / 2002-05-27

Hydrochloric acid for industrial use -- Determination of oxidizing or reducing substances content -- Titrimetric method

ISO 911:1977  ISO

Estado: Anulada / 2002-05-27

Sulphuric acid for industrial use -- Evaluation of sulphuric acid concentration by measurement of density

ISO 913:1977  ISO

Estado: Anulada / 2002-05-27

Sulphuric acid and oleum for industrial use -- Determination of ash -- Gravimetric method

ISO 2363:1972  ISO

Estado: Anulada / 2002-05-27

Sulphuric acid and oleums for industrial use -- Determination of oxides of nitrogen -- 2,4- Xylenol spectrophotometric method

ISO 1914:1972  ISO

Estado: Anulada / 2002-05-27

Boric acid for industrial use -- Determination of boric acid content -- Volumetric method

ISO 1980:1977  ISO

Estado: Anulada / 2002-05-27

Nitric acid for industrial use -- Determination of total acidity -- Titrimetric method

ISO 1981:1977  ISO

Estado: Anulada / 2002-05-27

Nitric acid for industrial use -- Determination of nitrous compounds -- Titrimetric method

ISO/R 1982:1971  ISO

Estado: Anulada / 2002-05-27

Nitric acid for industrial use -- Determination of iron content -- 2,2'- Bipyridyl photometric method

ISO 1983:1977  ISO

Estado: Anulada / 2002-05-27

Nitric acid for industrial use -- Determination of sulphated ash -- Gravimetric method

ISO 2899:1974  ISO

Estado: Anulada / 2002-05-27

Sulphuric acid and oleums for industrial use -- Determination of ammoniacal nitrogen content -- Spectrophotometric method

Número de resultados: 89

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