ISO standards in UV/Vis spectroscopy are a set of guidelines and recommendations established by the International Organization for Standardization (ISO) to ensure consistency and accuracy in UV/Vis spectroscopy measurements. These standards cover areas such as instrument calibration, wavelength accuracy, and spectral bandwidth, among others, and are designed to improve the quality of UV/Vis measurements and the comparability of results obtained by different laboratories.
This International Standard specifies two methods for determining the nickel content in manganese ores and concentrates, with Method A being spectrometric and Method B utilizing flame atomic absorption spectrometry.
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This International Standard specifies a spectrometric method for determining the arsenic content in manganese ores and concentrates, applicable to products with arsenic content ranging from 0.001% to 0.2% (m/m).
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This International Standard specifies a spectrometric method for the determination of chromium in manganes ore. Method I is applicable to manganese ores having chromium contents less than 0.1 % (m/m) and method II is applicable to manganese ores having chromium contents greater than 0.1 % (m/m).
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This International Standard specifies a reduced molybdophosphate photometric method for the determination of the total phosphorus content of hard coal, lignites, and coke.
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This International Standard specifies a spectrometric method for the determination of iron in Zinc defined in ISO/R 752, provided that the copper content does not exceed 0,01 %. It is suitable for the determination of iron contents between 0.001 and 0.1 %.
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This International Standard specifies a photometric method for determination of iron in magnesium and magnesium alloys. The method is applicable to the determination of iron content between 0.002 and 0.05 %.
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This International Standard specifies a photometric method for determination of iron in aluminium and aluminium alloys using orthophenanthroline. The method is applicable to the determination of iron content between 0.05 and 2.50 %.
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This International Standard specifies an oxalyldihydrazide photometric method for the determination of copper content in magnesium and magnesium alloys. (0.002 and 0.4 % (m/m)).
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This International Standard specifies an oxalyldihydrazide photometric method for the determination of copper content in aluminium and aluminium alloys. The method is applicable to the determination of copper content between 0.002 and 0.8 % (m/m).
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This International Standard specifies a photometric method for the determination of silicon in aluminium and aluminium alloys.The method is applicable to the determination of silicon content between 0.02 and 0.4 %.
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This International Standard specifies a photometric method for the determination of manganese in magnesium and magnesium alloys which do not contain zirconium, rare earths, or thorium. The method is applicable to the determination of manganese content between 0.01 and 0.8 %.
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This International Standard specifies a photometric method for the determination of manganese in magnesium and magnesium alloys which do not contain zirconium, rare earths, or thorium. The method is applicable to the determination of manganese content less than 0.01 %.
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This International Standard specifies a photometric method for the determination of manganese in aluminium and aluminium alloys. (0.005 and 1.5 %).
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This International Standard specifies a general method for the spectrophotometric determination of titanium in aluminium and aluminium alloys. The method is applicable to products having titanium contents between 0.005 and 0.3 % (m/m).
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This International Standard specifies an alizarin sulphonate photometric method for the determination of soluble zirconium in magnesium alloys containing zirconium as an alloying element. The method is applicable to alloys having zirconium contents between 0.1 and 1.0 %(m/m).
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This part of ISO 1388 specifies a photometric method for the determination of the methanol content of ethanol for industrial use. The method is applicable to products having methanol contents between 0.01 and 0.20 % (V/ V).
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This part of ISO 1388 specifies a photometric method for estimation of the content of carbonyl compounds present in small amounts in ethanol for industrial use. The method is applicable to products having carbonyl compounds contents, expressed as acetaldehyde, between 0.000 25 and 0.01 % (m/m).
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This International Standard specifies a reduced molybdosilicate spectrophotometric method for the determination of the silica content of natural and artificial cryolite and of natural and synthetic materials having a molar ratio (NaF/AIF3) between 3 and 1.7, approximately.
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This International Standard specifies a 1 ,10-phenanthroline photometric method for the determination of 5 to 1000 mg/kg of iron in uncompounded natural rubber, uncompounded synthetic rubbers which do not contain chlorine, and the corresponding uncompounded latices.
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This International Standard specifies a 1 ,10-phenanthroline photometric method for the determination of the iron content of natural and artificial cryolite and of natural and synthetic materials having a molar ratio (NaF/AlF3) between 3 and 1.7, approximately.
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This International Standard specifies a spectrophotometric method using the reduced silicomolybdic complex for the determination of silicon in magnesium and magnesium alloys. This method is applicable to the determination of silicon content between 0.01 and 0.6 %.
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This International Standard specifies a 1 ,10-phenanthroline spectrophotometric method for the determination of the iron content of copper alloys. The method is applicable to the determination of iron contents up to 0.4 % (m/m) in any of the copper alloys listed in ISO publications.
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This International Standard specifies a photometric method for the determination of manganese in magnesium alloys containing zirconium, and/or rare earths, and/or thorium, and/or siIver.
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This International Standard specifies an alizarin sulphonate photometric method for the determination of insoluble zirconium in magnesium alloys containing zirconium as an alloying element. The method is applicable to alloys having insoluble zirconium contents between 0.02 and 0.3 % (m/m).
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This International Standard specifies a 1 ,10-phenanthroline photometric method for the determination of the iron content of sodium hydrogen carbonate for industrial use.
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ISO 2598 specifies a reduced molybdosilicate spectrophotometric method for the determination of the silicon content of iron ore.
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This International Standard specifies a spectrophotometric method, using alizarin complexone and lanthanum chloride, for the determination of the fluorine content of aluminium oxide primarily used for the production of aluminium. (> 0.003 %.)
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This international standard specifies a spectrophotometric method using reduced ammonium phosphomolybdate for the determination of the phosphorous content of aluminium oxide primarily used for the production of aluminium.
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This International Standard specifies a curcumin spectrophotometric method for the determination of the boron content of aluminium oxide primarily used for the production of aluminium.
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This International Standard specifies a reference method for the spectrometric determination of alkaloids, expressed as nicotine, in tobacco.
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This International Standard specifies a method for the colorimetric determination of cystine plus cysteine in wool hydrolysates. The method is applicable to all-wool textiles in any form, namely loose fibre, sliver, roving, yarn, or cloth.
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This International Standard specifies a molecular absorption spectrometric method for the determination of the total phosphorus content of cheese. The method is applicable to all kinds of cheese and to processed cheese products.
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This International Standard specifies a 2,2’-bipyridyl photometric method for the determination of the iron content of ammonium sulphate for industrial use. The method is applicable to iron contents equal to or greater than 0.0001% (m/m).
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This International Standard specifies a photometric method for the determination of arsenic in copper and copper alloys. The method is applicable for the determination of arsenic as an alloying element or as an impurity in copper and all types of copper alloys listed in ISO Recommendations or International Standards.
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This International Standard specifies a photometric method using chromazurol S for the determination of aluminium in magnesium and certain magnesium alloys. The method is applicable to the determination of aluminium content between 0.01 and 0.20 %.
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This International Standard specifies an alizarin complexone and lanthanum nitrate photometric method for the determination of the fluorine content of phosphoric acid and sodium phosphates for industrial use (including foodstuffs).
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This International Standard specifies a photometric method, using 1, 10-phenanthroline, for the determination of the iron content of sodium fluoride primarily used for the production of aluminium.
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This International Standard specifies a spectrophotometric method, using the reduced molybdosilicate, for determining the silica content of sodium fluoride primarily used for the production of aluminium. The method is applicable to products of which the P2O5 content does not exceed 0.02 % (m/m).
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This document specifies a method for the determination of the absorbance at ultraviolet wavelengths of animal and vegetable fats and oils. Milk and milk products (or fat obtained from milk and milk products) are excluded from the scope of this document.
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This International Standard specifies the requirements and corresponding test methods for three grades of water for laboratory use for the analysis of inorganic chemicals.
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This International Standard specifies a silver diethyldithio-carbamate photometric method for the determination of the arsenic content of sulphur for industrial use. (equal to or greater than 0.5 mg/kg).
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This International Standard specifies a dithizone spectrophotometric method for the determination of lead. The methods are applicable to paints having “soluble” lead contents in the range of about 0.05 to 5 % (m/m).
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This International Standard specifies a Rhodamine B spectrophotometric method for the determination of antimony. The methods are applicable to paints having “soluble” antimony contents in the range of about 0.05 to 5 % (m/m).
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This part of IS0 3856 describes a diphenylcarbazide spectrophotometric method for the determination of the “soluble” hexavalent chromium content of the hydrochloric acid extract of the pigment portion of the liquid paint or of the paint in powder form.
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This International Standard specifies a spectrophotometric method for the determination of the total phosphorus content of starch, including derivatives and by-products, in which the expected content, calculated as phosphorus (P), does not exceed 5 % (m/m).
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This International Standard specifies a spectrophotometric method using diphenylcarbazide, after extraction, for the determination of chromium in aluminium and aluminium alloys.
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This International Standard specifies an extraction of molybdovanadate photometric method for the determination of the phosphorus content of manganese ores and concentrates. The method is applicable to products having phosphorus contents from 0.02 to 0.5 % (m/m).
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This International Standard specifies a thorin spectrophotometic method for the determination of the mass concentration of sulphur dioxide in ambient air.
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This International Standard specifies the method for the determination of the aluminium content of manganese ores and concentrates: a photometric method applicable to products having aluminium contents from 0.1 to 1.5 % (m/m).
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This International Standard specifies a spectrophotometric method for estimating the colour of clear liquids in terms of platinum-cobalt units (Pt-Co units). It is applicable to clear liquids having a colour characteristic similar to those of the platinum-cobalt color scale specified in Annex A.
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This International Standard specifies a 1,10-phenanthroline spectrometric method for the determination of iron in water and waste water.
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This International Standard specifies a formaldoxime spectrometric method for the determination of total manganese (including dissolved, suspended, and organically bound manganese) in surface and drinking water. The method is applicable to the determination of manganese concentrations between 0.01 mg/l and 5 mg/l.
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This International Standard specifies methods for determining the phenol index in drinking water, surface water and waste water.
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This part of ISO 6636 specifies a dithizone spectrometric method for the determination of the zinc content of fruit and vegetable products.
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This International Standard is applicable for the determination of cyanogen chloride concentrations in the range 0.02 to 15 mg/l.
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This International Standard specifies a spectrometric reference method for the determination of the iron content of milk and milk products.
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This International Standard specifies a molecular absorption spectrometric method for the determination of nitrite in potable, raw, and waste water.
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This International Standard specifies methods for the spectrometric determination of phosphorus using ammonium molybdate.
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This document specifies a method for the determination of free chlorine and total chlorine in water, readily applicable to lab- and field-testing.
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This part of ISO 7543 specifies a method for the determination, by a spectrometric method, of the total capsaicinoid content of whole or powdered chilies (usually Capiscum frutescens L.) and their oleoresins.
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This International Standard specifies photometric methods for the determination of manganese, after oxidation with sodium periodate, in rubbers and rubber latices. Both methods contain provisions for the analysis of chlorine-containing rubber.
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This International Standard specifies four different methods, designated A to D, for the examination of color. Method B and C involve the determination of the true colour of a water sample using an optical apparatus.
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This part of ISO 7890 specifies a method for the determination of nitrate ion in water using a UVVIS spectrophotometer.
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This document specifies a spectrometric method for determining the color, expressed in Hazen units, of a 50 % aqueous caprolactam solution as a measure of colored impurities content of the sample.
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This International Standard specifies a spectrometric method for the determination of the permanganate absorption number of caprolactam for industrial use. The permanganate absorption number is a measure of the oxidizable impurities in caprolactam, determined in a buffered neutral aqueous medium under fixed conditions.
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This International Standard specifies a spectrometric method for the determination of borate in water. The method is applicable to the determination of borate in concentrations between 0.01 mg and 1 mg of boron per litre.
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This International Standard specifies a universal method for the determination of tannin content in sorghum grains using a UVVIS spectrophotometer.
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This International Standard specifies a molecular absorption spectrometric method for the determination of the total phosphorus content of milk.
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This Technical Specification (Reviewed Method for IDF) specifies a spectrometric method for the determination of the tin content in canned evaporated milk. The limit of determination of the method is 5 mg/kg.
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This International Standard specifies a diantipyrylmethane spectrophotometric method for the determination of titanium in steel and iron. The method is applicable to titanium contents between 0.002 % (m/m) and 0.80 % (m/m).
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This International Standard specifies a photometric method for the determination of dissolved sulfide in water. The method is applicable to the determination of dissolved sulfide in a mass concentration range from 0.04 mg/l to 1.5 mg/L.
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This part of ISO 10540 specifies a colorimetric method for the determination of the phosphorus content of animal and vegetable oils and fats. This method is not suitable for determining the phosphorus content of commercial lecithin as this requires an ashing temperature of 800 °C.
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This International Standard is applicable to the analysis of potable waters, ground waters, and lightly polluted surface and sea waters for aluminum content using a UVVIS spectrophotometer.
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This document specifies a spectrophotometric method for the determination of phosphorus in steel and iron. The method is applicable to phosphorus contents between 0.001 0 % (mass fraction) and 1.0 % (mass fraction).
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This International Standard specifies a spectrometric method for the determination of chromium (VI) in water. The method is applicable to the determination of dissolved chromium (VI) in waters in the concentration range of 0.05 mg/l to 3 mg/l.
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This International Standard specifies an extraction method and analytical conditions to determine the content of soil phosphorus soluble in sodium hydrogen carbonate solution using a UVVIS spectrophotometer.
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This International Standard specifies a molecular absorption spectrometric method for the determination of the phosphorus content in nickel, ferronickel, and nickel base alloys in the range of 0.0005 % (m/m) to 0.05 % (m/m).
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This part of ISO 11905 specifies a method for the determination of nitrogen present in water, in the form of free ammonia, ammonium, nitrite, nitrate, and organic nitrogen compounds capable of conversion to nitrate under the oxidative conditions described.
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This part of ISO 12080/IDF 142 specifies a colorimetric method for the determination of vitamin A in dried skimmed milk containing at least 10 IU (International Units) of vitamin A per gram.
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This document specifies a method for the determination of the content of the total glucosinolates in rapeseeds (colza) using visible spectrometry to determine the glucose released from glucosinolates by hydrolysis.
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This International Standard specifies a procedure for the determination of alkyl nitrate in diesel fuel in the concentration range 0.03 % (V/V) to 0.30 % (V/V) (volume fraction 0.03 % to 0.30 %).
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This part of ISO 14502 specifies a method for the determination of the total polyphenol content of leaf tea and instant tea by a colorimetric assay using the Folin-Ciocalteu phenol reagent. It is applicable to both green and black tea products.
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This part of ISO 14673/IDF 189 specifies a method for the determination of the nitrate and nitrite contents of milk and milk products by cadmium reduction and spectrometry.
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This International Standard specifies a method for determining the chromium (VI) in solutions leached from leather under defined conditions. The method described is suitable to quantify the chromium (VI) content in leathers down to 3 mg/kg.
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This International Standard specifies a method for the determination of the deterioration of bleachability index (DOBI) of crude palm oil and the carotene content of crude or bleached palm oil and their fractions by a spectrophotometric examination in the ultraviolet and visible range of the spectrum.
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This International Standard specifies a method for the determination of chromium (VI) in drinking water in mass concentrations between 2 µg/l and 50 µg/l.
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This International Standard specifies a method for the determination of the nitrate content of milk and milk products by molecular-absorption spectrometry after Griess reaction (preceded by enzymatic reduction).
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