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Norma o proyecto Etapa TC
Sodium carbonate for industrial use — Preparation and storage of test samples
90.93 ISO/TC 47
Sodium carbonate for industrial use — Determination of total soluble alkalinity — Titrimetric method
90.93 ISO/TC 47
Sodium carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method
95.99 ISO/TC 47
Sodium carbonate for industrial use — Determination of chloride content — Mercurimetric method
95.99 ISO/TC 47
Sodium carbonate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
95.99 ISO/TC 47
Sodium carbonate for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method
95.99 ISO/TC 47
Sodium carbonate for industrial use — Determination of loss of mass and of non-volatile matter at 250 degrees C
95.99 ISO/TC 47
Sodium carbonate for industrial use — Determination of matter insoluble in water at 50 degrees C
90.93 ISO/TC 47
Sodium tripolyphosphate for industrial use — Determination of matter insoluble in water
95.99 ISO/TC 47
Sodium tripolyphosphate for industrial use — Measurement of pH — Potentiometric method
95.99 ISO/TC 47
Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of iron content — 2,2'- Bipyridyl spectrophotometric method
95.99 ISO/TC 47
Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of loss on ignition
95.99 ISO/TC 47
Cryolite, natural and artificial — Preparation and storage of test samples
90.93 ISO/TC 226
Cryolite, natural and artificial — Determination of silica content — Reduced molybdosilicate spectrophotometric method
90.93 ISO/TC 226
Sodium and potassium silicates for industrial use — Samples and methods of test — General
90.93 ISO/TC 47
Sodium and potassium silicates for industrial use — Determination of density at 20 degrees C of products in solution — Method using density hydrometer and method using pyknometer
95.99 ISO/TC 47
Sodium and potassium silicates for industrial use — Determination of dry matter — Gravimetric method
95.99 ISO/TC 47
Sodium and potassium silicates for industrial use — Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide
90.93 ISO/TC 47
Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization
90.93 ISO/TC 47
Sodium and potassium silicates for industrial use — Determination of carbonates content — Gas-volumetric method
90.93 ISO/TC 47
Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method
90.93 ISO/TC 47
Cryolite, natural and artificial — Determination of fluorine content — Modified Willard-Winter method
90.93 ISO/TC 226
Cryolite, natural and artificial — Determination of iron content — 1,10- Phenanthroline photometric method
90.93 ISO/TC 226
Disodium tetraborates for industrial use — Determination of sodium oxide and boric oxide contents and loss on ignition
95.99 ISO/TC 47
Hydrated sodium perborates for industrial use — Determination of sodium oxide, boric oxide and available oxygen contents — Volumetric methods
95.99 ISO/TC 47
Potassium chloride for industrial use — Determination of potassium content — Flame emission spectrophotometric method
95.99 ISO/TC 47
Potassium chloride for industrial use — Determination of potassium content — Potassium tetraphenylborate gravimetric method
95.99 ISO/TC 47
Potassium chloride for industrial use — Determination of potassium content — Sodium tetraphenylborate titrimetric method
95.99 ISO/TC 47
Potassium chloride for industrial use — Determination of moisture content — Gravimetric method
95.99 ISO/TC 47
Sodium and potassium silicates for industrial use — Preparation of solution of products not easily soluble in boiling water and determination of matter insoluble in water
90.93 ISO/TC 47
Sodium and potassium silicates for industrial use — Determination of dynamic viscosity
95.99 ISO/TC 47
Sodium and potassium silicates for industrial use — Determination of silica content — Titrimetric method
95.99 ISO/TC 47
Sodium hydrogen carbonate for industrial use — List of methods of test and preparation of the test sample
90.60 ISO/TC 47
Sodium hydrogen carbonate for industrial use — Determination of sodium carbonate — Titrimetric method
95.99 ISO/TC 47
Sodium hydrogen carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method
90.60 ISO/TC 47
Sodium hydrogen carbonate for industrial use — Determination of moisture content — Gravimetric method
95.99 ISO/TC 47
Sodium hydrogen carbonate for industrial use — Determination of chloride content — Mercurimetric method
95.99 ISO/TC 47
Crude sodium borates for industrial use — Determination of sodium oxide and boric oxide contents — Volumetric method
95.99 ISO/TC 47
Crude sodium borates for industrial use — Determination of matter insoluble in alkaline medium and preparation of test solutions
95.99 ISO/TC 47
Crude sodium borates for industrial use — Determination of loss in mass after heating at 900 degrees C
95.99 ISO/TC 47
Aluminium fluoride for industrial use — Determination of fluorine content — Modified Willard-Winter method
95.99 ISO/TC 47
Ammonium nitrate for industrial use — Determination of free acidity — Volumetric method
95.99 ISO/TC 47
Ammonium nitrate for industrial use — Measurement of pH value — Potentiometric method
95.99 ISO/TC 47
Cryolite, natural and artificial — Determination of sodium content — Flame emission and atomic absorption spectrophotometric methods
90.93 ISO/TC 226
Cryolite (natural and artificial) — Determination of aluminium content — 8- Hydroxyquinoline gravimetric method
90.93 ISO/TC 226
Aluminium fluoride for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method
95.99 ISO/TC 47
Aluminium fluoride for industrial use — Determination of silica content — Spectrophotometric method using the reduced silicomolybdic complex
95.99 ISO/TC 47
Sodium hydrogen carbonate for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method
90.60 ISO/TC 47
Sodium chlorate for industrial use — Determination of matter insoluble in water
90.60 ISO/TC 47
Sodium chlorate for industrial use — Determination of moisture content — Gravimetric method
90.60 ISO/TC 47
Sodium chlorate for industrial use — Determination of chloride content — Mercurimetric method
90.60 ISO/TC 47
Sodium chloride for industrial use — Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinations
90.93 ISO/TC 47
Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
90.93 ISO/TC 47
Sodium chloride for industrial use — Determination of halogens, expressed as chlorine — Mercurimetric method
90.93 ISO/TC 47
Sodium chloride for industrial use — Determination of calcium and magnesium contents — EDTA complexometric methods
90.93 ISO/TC 47
Sodium chloride for industrial use — Determination of the loss of mass at 110 degrees C
90.93 ISO/TC 47
Potassium sulphate for industrial use — Determination of potassium content — Flame emission spectrophotometric method
95.99 ISO/TC 47
Potassium sulphate for industrial use — Determination of potassium content — Gravimetric method as potassium tetraphenylborate
95.99 ISO/TC 47
Potassium sulphate for industrial use — Determination of potassium content — Sodium tetraphenylborate volumetric method
95.99 ISO/TC 47
Potassium sulphate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
95.99 ISO/TC 47
Potassium sulphate for industrial use — Determination of chloride content — Mercurimetric method
95.99 ISO/TC 47
Potassium sulphate for industrial use — Determination of acidity to methyl orange
95.99 ISO/TC 47
Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of ammoniacal nitrogen content — Volumetric method after distillation
95.99 ISO/TC 47
Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of total alkalinity — Volumetric method
95.99 ISO/TC 47
Crude sodium borates for industrial use — Determination of total aluminium content — Titrimetric method
95.99 ISO/TC 47
Crude sodium borates for industrial use — Determination of total titanium content — Photometric method
95.99 ISO/TC 47
Cryolite, natural and artificial — Determination of aluminium content — Atomic absorption method
90.93 ISO/TC 226
Sodium fluoride for industrial use — Determination of water-insoluble matter
90.93 ISO/TC 47
Sodium fluoride for industrial use — Determination of moisture content
90.93 ISO/TC 47
Sodium fluoride for industrial use — Determination of fluorine content — Modified Willard-Winter method
90.93 ISO/TC 47
Potassium sulphate for industrial use — Determination of loss of mass at 105 degrees C
95.99 ISO/TC 47
Aluminium fluoride for industrial use — Preparation and storage of test samples
95.99 ISO/TC 47
Ammonium sulphate for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method
90.60 ISO/TC 47
Ammonium sulphate for industrial use — Determination of free acidity — Titrimetric method
90.60 ISO/TC 47
Ammonium sulphate for industrial use — Determination of matter insoluble in water — Gravimetric method
95.99 ISO/TC 47
Ammonium nitrate for industrial use — Determination of matter insoluble in water — Gravimetric method
95.99 ISO/TC 47
Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of particle size distribution by mechanical sieving
95.99 ISO/TC 47
Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of orthophosphate content — Photometric method using the reduced molybdophosphate
95.99 ISO/TC 47
Sodium pyrophosphate for industrial use — Estimation of pyrophosphate content — Potentiometric method
95.99 ISO/TC 47
Sodium tripolyphosphate for industrial use — Estimation of tripolyphophate content — Tris(ethylenediamine) cobalt (III) chloride gravimetric method
95.99 ISO/TC 47
Sodium perborates for industrial use — Determination of particle size distribution by mechanical sieving
95.99 ISO/TC 47
diSodium tetraborates and crude sodium borates for industrial use — Determination of water content — Gravimetric method
95.99 ISO/TC 47
Sodium perborates for industrial use — Determination of rate of solution — Conductivity method
95.99 ISO/TC 47
Crude sodium borates for industrial use — Determination of iron soluble in alkaline medium — 2,2'- Bipyridyl photometric method
95.99 ISO/TC 47
Crude sodium borates for industrial use — Determination of aluminium soluble in alkaline medium — EDTA titrimetric method
95.99 ISO/TC 47
Carbon disulphide for industrial use — Sampling and methods of test
95.99 ISO/TC 47
Sodium chlorate for industrial use — Determination of chlorate content — Dichromate titrimetric method
90.60 ISO/TC 47
Sodium and potassium silicates for industrial use — Determination of sulphates content — Barium sulphate gravimetric method
95.99 ISO/TC 47
Sodium and potassium silicates for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method
95.99 ISO/TC 47
Sodium sulphate for industrial use — Determination of loss in mass at 110 degrees C
95.99 ISO/TC 47
Sodium sulphate for industrial use — Determination of acid-insoluble matter
95.99 ISO/TC 47
Sodium sulphate for industrial use — Determination of chlorides content — Mercurimetric method
95.99 ISO/TC 47
Sodium sulphate for industrial use — Determination of sulphates content — Calculation method and barium sulphate gravimetric method
95.99 ISO/TC 47
Sodium sulphate for industrial use — Determination of calcium content — EDTA complexometric method
95.99 ISO/TC 47
Sodium sulphate for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method
95.99 ISO/TC 47
Sodium sulphate for industrial use — Determination of acidity or alkalinity
95.99 ISO/TC 47
Sodium sulphate for industrial use — Measurement of pH — Potentiometric method
95.99 ISO/TC 47
Ammonium nitrate for industrial use — Determination of content of sulphur compounds — Method by reduction and titrimetry
95.99 ISO/TC 47
Ammonium nitrate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
95.99 ISO/TC 47
Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation
95.99 ISO/TC 47
Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
90.60 ISO/TC 47
Ammonium sulphate for industrial use — Determination of copper content — Zinc dibenzyldithiocarbamate photometric method
95.99 ISO/TC 47
Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
90.93 ISO/TC 47
Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Separation by column chromatography and determination of the different phosphate forms
95.99 ISO/TC 47
Phosphoric acid and sodium phosphates for industrial use (including foodstuffs) — Determination of fluorine content — Alizarin complexone and lanthanum nitrate photometric method
90.93 ISO/TC 47
Cryolite, natural and artificial — Determination of calcium content — Flame atomic absorption method
90.93 ISO/TC 226
Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of water content — Electrometric method
95.99 ISO/TC 226
Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of moisture content — Gravimetric method
90.93 ISO/TC 226
Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of ash — Gravimetric method
95.99 ISO/TC 47
Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of total carbon dioxide content — Titrimetric method
95.99 ISO/TC 47
Sodium perborates for industrial use — Determination of bulk density
95.99 ISO/TC 47
Sodium fluoride for industrial use — Preparation and storage of test samples
95.99 ISO/TC 47
Ammonium sulphate for industrial use — Determination of chloride ions content — Potentiometric method
95.99 ISO/TC 47
Ammonium nitrate for industrial use — Determination of chloride ions content — Potentiometric method
95.99 ISO/TC 47
Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of arsenic content — Silver diethyldithiocarbamate photometric method
95.99 ISO/TC 47
Cryolite, natural and artificial — Conventional test for evaluation of free fluorides content
95.99 ISO/TC 226
Cryolite, natural and artificial — Conventional test for evaluation of free fluorides content
60.60 ISO/TC 226
Sodium fluoride for industrial use — Determination of carbonate content — Gravimetric method
95.99 ISO/TC 47
Aluminium fluoride for industrial use — Determination of sodium content — Flame emission spectrophotometric method
95.99 ISO/TC 47
Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
90.93 ISO/TC 226
Sodium hexafluorosilicate for industrial use — Determination of free acidity and total hexafluorosilicate content — Titrimetric method
90.93 ISO/TC 47
Sodium sulphate for industrial use — Determination of sodium sulphate content — Gravimetric method
95.99 ISO/TC 47
Sodium carbonate for industrial use — Determination of sulphur compounds content — Method by reduction and titrimetry
95.99 ISO/TC 47
Condensed phosphates for industrial use (including foodstuffs) — Determination of arsenic content — Silver diethyldithiocarbamate photometric method
95.99 ISO/TC 47
Condensed phosphates for industrial use (including foodstuffs) — Determination of calcium content — Flame atomic absorption spectrometric method
95.99 ISO/TC 47
Condensed phosphates for industrial use (including foodstuffs) — Determination of chloride content — Potentiometric method
95.99 ISO/TC 47
Condensed phosphates for industrial use (including foodstuffs) — Determination of oxides of nitrogen content — 3,4- Xylenol spectrophotometric method
95.99 ISO/TC 47
Sodium hexafluorosilicate for industrial use — Determination of phosphate content — Molybdovanadate spectrophotometric method
90.93 ISO/TC 47
Sodium hexafluorosilicate for industrial use — Determination of sulphur compounds content — Iodometric method after reduction
95.99 ISO/TC 47
Sodium hexafluorosilicate for industrial use — Determination of iron content — 1,10 phenanthroline spectrophotometric method
95.99 ISO/TC 47
Sodium fluorosilicate for industrial use — Determination of loss in mass at 105 degrees C
90.93 ISO/TC 47
Ammonium sulphate for industrial use — Determination of arsenic content — Silver diethyldithiocarbamate photometric method
95.99 ISO/TC 47
Ammonium nitrate for industrial use — Determination of water content — Karl Fischer method
95.99 ISO/TC 47
Sodium hexafluorosilicate for industrial use — Determination of particle size distribution — Sieving method
95.99 ISO/TC 47
Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of phosphorus content — Reduced molybdophosphate photometric method
95.99 ISO/TC 226
Crude sodium borates for industrial use — Determination of alkali-soluble copper and manganese contents — Zinc bis(dibenzyldithiocarbamate) and formaldehyde oxime photometric methods
95.99 ISO/TC 47
Crude sodium borates for industrial use — Determination of total and alkali-soluble silica contents — Molybdosilicate spectrometric method
95.99 ISO/TC 47
Crude sodium borates for industrial use — Determination of carbonate content — Gravimetric method
95.99 ISO/TC 47
Sodium perborates for industrial use — Determination of degree of attrition
95.99 ISO/TC 47
Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of sulphur content — X-ray fluorescence spectrometric method
90.93 ISO/TC 226
Sodium sulphate for industrial use — Determination of calcium content — Flame atomic absorption spectrometric method
95.99 ISO/TC 47
Sodium hexafluorosilicate for industrial use — Determination of free silica content — Gravimetric method
95.99 ISO/TC 47
Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of phosphorus content — Atomic absorption spectrometric method after extraction
90.93 ISO/TC 226
Crude sodium borates for industrial use — Determination of total and alkali-soluble calcium and magnesium contents — Flame atomic absorption spectrometric method
95.99 ISO/TC 47
Crude sodium borates for industrial use — Determination of total and alkali-soluble calcium and magnesium contents — Titrimetric method
95.99 ISO/TC 47
Ammonium bicarbonate (Ammonium hydrogen- carbonate) for industrial use (including foodstuffs) — Determination of lead content — Flame atomic absorption method
95.99 ISO/TC 47
Materials for the production of primary aluminium — Dense refractory bricks — Determination of cryolite resistance
90.93 ISO/TC 226

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