Sodium carbonate for industrial use — Preparation and storage of test samples

Sodium carbonate for industrial use — Determination of total soluble alkalinity — Titrimetric method

Sodium carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method

Sodium carbonate for industrial use — Determination of chloride content — Mercurimetric method

Sodium carbonate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method

Sodium carbonate for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method

Sodium carbonate for industrial use — Determination of loss of mass and of non-volatile matter at 250 degrees C

Sodium carbonate for industrial use — Determination of matter insoluble in water at 50 degrees C

Sodium tripolyphosphate for industrial use — Determination of matter insoluble in water

Sodium tripolyphosphate for industrial use — Measurement of pH — Potentiometric method

Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of iron content — 2,2'- Bipyridyl spectrophotometric method

Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of loss on ignition

Cryolite, natural and artificial — Preparation and storage of test samples

Cryolite, natural and artificial — Determination of silica content — Reduced molybdosilicate spectrophotometric method

Sodium and potassium silicates for industrial use — Samples and methods of test — General

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

Sodium and potassium silicates for industrial use — Determination of dry matter — Gravimetric method

Sodium and potassium silicates for industrial use — Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide

Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization

Sodium and potassium silicates for industrial use — Determination of carbonates content — Gas-volumetric method

Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method

Cryolite, natural and artificial — Determination of fluorine content — Modified Willard-Winter method

Cryolite, natural and artificial — Determination of iron content — 1,10- Phenanthroline photometric method

Disodium tetraborates for industrial use — Determination of sodium oxide and boric oxide contents and loss on ignition

Hydrated sodium perborates for industrial use — Determination of sodium oxide, boric oxide and available oxygen contents — Volumetric methods

Potassium chloride for industrial use — Determination of potassium content — Flame emission spectrophotometric method

Potassium chloride for industrial use — Determination of potassium content — Potassium tetraphenylborate gravimetric method

Potassium chloride for industrial use — Determination of potassium content — Sodium tetraphenylborate titrimetric method

Potassium chloride for industrial use — Determination of moisture content — Gravimetric method

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

Sodium and potassium silicates for industrial use — Determination of dynamic viscosity

Sodium and potassium silicates for industrial use — Determination of silica content — Titrimetric method

Sodium hydrogen carbonate for industrial use — List of methods of test and preparation of the test sample

Sodium hydrogen carbonate for industrial use — Determination of sodium carbonate — Titrimetric method

Sodium hydrogen carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method

Sodium hydrogen carbonate for industrial use — Determination of moisture content — Gravimetric method

Sodium hydrogen carbonate for industrial use — Determination of chloride content — Mercurimetric method

Crude sodium borates for industrial use — Determination of sodium oxide and boric oxide contents — Volumetric method

Crude sodium borates for industrial use — Determination of matter insoluble in alkaline medium and preparation of test solutions

Crude sodium borates for industrial use — Determination of loss in mass after heating at 900 degrees C

Aluminium fluoride for industrial use — Determination of fluorine content — Modified Willard-Winter method

Ammonium nitrate for industrial use — Determination of free acidity — Volumetric method

Ammonium nitrate for industrial use — Measurement of pH value — Potentiometric method

Cryolite, natural and artificial — Determination of sodium content — Flame emission and atomic absorption spectrophotometric methods

Cryolite (natural and artificial) — Determination of aluminium content — 8- Hydroxyquinoline gravimetric method

Aluminium fluoride for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method

Aluminium fluoride for industrial use — Determination of silica content — Spectrophotometric method using the reduced silicomolybdic complex

Sodium hydrogen carbonate for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method

Sodium chlorate for industrial use — Determination of matter insoluble in water

Sodium chlorate for industrial use — Determination of moisture content — Gravimetric method

Sodium chlorate for industrial use — Determination of chloride content — Mercurimetric method

Sodium chloride for industrial use — Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinations

Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method

Sodium chloride for industrial use — Determination of halogens, expressed as chlorine — Mercurimetric method

Sodium chloride for industrial use — Determination of calcium and magnesium contents — EDTA complexometric methods

Sodium chloride for industrial use — Determination of the loss of mass at 110 degrees C

Potassium sulphate for industrial use — Determination of potassium content — Flame emission spectrophotometric method

Potassium sulphate for industrial use — Determination of potassium content — Gravimetric method as potassium tetraphenylborate

Potassium sulphate for industrial use — Determination of potassium content — Sodium tetraphenylborate volumetric method

Potassium sulphate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method

Potassium sulphate for industrial use — Determination of chloride content — Mercurimetric method

Potassium sulphate for industrial use — Determination of acidity to methyl orange

Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of ammoniacal nitrogen content — Volumetric method after distillation

Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of total alkalinity — Volumetric method

Crude sodium borates for industrial use — Determination of total aluminium content — Titrimetric method

Crude sodium borates for industrial use — Determination of total titanium content — Photometric method

Cryolite, natural and artificial — Determination of aluminium content — Atomic absorption method

Sodium fluoride for industrial use — Determination of water-insoluble matter

Sodium fluoride for industrial use — Determination of moisture content

Sodium fluoride for industrial use — Determination of fluorine content — Modified Willard-Winter method

Potassium sulphate for industrial use — Determination of loss of mass at 105 degrees C

Aluminium fluoride for industrial use — Preparation and storage of test samples

Ammonium sulphate for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method

Ammonium sulphate for industrial use — Determination of free acidity — Titrimetric method

Ammonium sulphate for industrial use — Determination of matter insoluble in water — Gravimetric method

Ammonium nitrate for industrial use — Determination of matter insoluble in water — Gravimetric method

Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of particle size distribution by mechanical sieving

Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of orthophosphate content — Photometric method using the reduced molybdophosphate

Sodium pyrophosphate for industrial use — Estimation of pyrophosphate content — Potentiometric method

Sodium tripolyphosphate for industrial use — Estimation of tripolyphophate content — Tris(ethylenediamine) cobalt (III) chloride gravimetric method

Sodium perborates for industrial use — Determination of particle size distribution by mechanical sieving

diSodium tetraborates and crude sodium borates for industrial use — Determination of water content — Gravimetric method

Sodium perborates for industrial use — Determination of rate of solution — Conductivity method

Crude sodium borates for industrial use — Determination of iron soluble in alkaline medium — 2,2'- Bipyridyl photometric method

Crude sodium borates for industrial use — Determination of aluminium soluble in alkaline medium — EDTA titrimetric method

Carbon disulphide for industrial use — Sampling and methods of test

Sodium chlorate for industrial use — Determination of chlorate content — Dichromate titrimetric method

Sodium and potassium silicates for industrial use — Determination of sulphates content — Barium sulphate gravimetric method

Sodium and potassium silicates for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method

Sodium sulphate for industrial use — Determination of loss in mass at 110 degrees C

Sodium sulphate for industrial use — Determination of acid-insoluble matter

Sodium sulphate for industrial use — Determination of chlorides content — Mercurimetric method

Sodium sulphate for industrial use — Determination of sulphates content — Calculation method and barium sulphate gravimetric method

Sodium sulphate for industrial use — Determination of calcium content — EDTA complexometric method

Sodium sulphate for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method

Sodium sulphate for industrial use — Determination of acidity or alkalinity

Sodium sulphate for industrial use — Measurement of pH — Potentiometric method

Ammonium nitrate for industrial use — Determination of content of sulphur compounds — Method by reduction and titrimetry

Ammonium nitrate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation

Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation

Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation

Ammonium sulphate for industrial use — Determination of copper content — Zinc dibenzyldithiocarbamate photometric method

Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method

Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Separation by column chromatography and determination of the different phosphate forms

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

Cryolite, natural and artificial — Determination of calcium content — Flame atomic absorption method

Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of water content — Electrometric method

Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of moisture content — Gravimetric method

Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of ash — Gravimetric method

Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of total carbon dioxide content — Titrimetric method

Sodium perborates for industrial use — Determination of bulk density

Sodium fluoride for industrial use — Preparation and storage of test samples

Ammonium sulphate for industrial use — Determination of chloride ions content — Potentiometric method

Ammonium nitrate for industrial use — Determination of chloride ions content — Potentiometric method

Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of arsenic content — Silver diethyldithiocarbamate photometric method

Cryolite, natural and artificial — Conventional test for evaluation of free fluorides content

Cryolite, natural and artificial — Conventional test for evaluation of free fluorides content

Sodium fluoride for industrial use — Determination of carbonate content — Gravimetric method

Aluminium fluoride for industrial use — Determination of sodium content — Flame emission spectrophotometric method

Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method

Sodium hexafluorosilicate for industrial use — Determination of free acidity and total hexafluorosilicate content — Titrimetric method

Sodium sulphate for industrial use — Determination of sodium sulphate content — Gravimetric method

Sodium carbonate for industrial use — Determination of sulphur compounds content — Method by reduction and titrimetry

Condensed phosphates for industrial use (including foodstuffs) — Determination of arsenic content — Silver diethyldithiocarbamate photometric method

Condensed phosphates for industrial use (including foodstuffs) — Determination of calcium content — Flame atomic absorption spectrometric method

Condensed phosphates for industrial use (including foodstuffs) — Determination of chloride content — Potentiometric method

Condensed phosphates for industrial use (including foodstuffs) — Determination of oxides of nitrogen content — 3,4- Xylenol spectrophotometric method

Sodium hexafluorosilicate for industrial use — Determination of phosphate content — Molybdovanadate spectrophotometric method

Sodium hexafluorosilicate for industrial use — Determination of sulphur compounds content — Iodometric method after reduction

Sodium hexafluorosilicate for industrial use — Determination of iron content — 1,10 phenanthroline spectrophotometric method

Sodium fluorosilicate for industrial use — Determination of loss in mass at 105 degrees C

Ammonium sulphate for industrial use — Determination of arsenic content — Silver diethyldithiocarbamate photometric method

Ammonium nitrate for industrial use — Determination of water content — Karl Fischer method

Sodium hexafluorosilicate for industrial use — Determination of particle size distribution — Sieving method

Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of phosphorus content — Reduced molybdophosphate photometric method

Crude sodium borates for industrial use — Determination of alkali-soluble copper and manganese contents — Zinc bis(dibenzyldithiocarbamate) and formaldehyde oxime photometric methods

Crude sodium borates for industrial use — Determination of total and alkali-soluble silica contents — Molybdosilicate spectrometric method

Crude sodium borates for industrial use — Determination of carbonate content — Gravimetric method

Sodium perborates for industrial use — Determination of degree of attrition

Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of sulphur content — X-ray fluorescence spectrometric method

Sodium sulphate for industrial use — Determination of calcium content — Flame atomic absorption spectrometric method

Sodium hexafluorosilicate for industrial use — Determination of free silica content — Gravimetric method

Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of phosphorus content — Atomic absorption spectrometric method after extraction

Crude sodium borates for industrial use — Determination of total and alkali-soluble calcium and magnesium contents — Flame atomic absorption spectrometric method

Crude sodium borates for industrial use — Determination of total and alkali-soluble calcium and magnesium contents — Titrimetric method

Ammonium bicarbonate (Ammonium hydrogen- carbonate) for industrial use (including foodstuffs) — Determination of lead content — Flame atomic absorption method

Materials for the production of primary aluminium — Dense refractory bricks — Determination of cryolite resistance