NANOCOLOR® Ammonium Photometric determination of ammonium Photometric determination as indophenol. At a pH value of about 12.6 ammonium reacts with hypochlorite and salicylate in the presence of sodium nitroprussiate as catalyst to Read More »
NANOCOLOR® Residual Hardness 1 Photometric determination of hardness Calcium and magnesium ions react in alkaline solution with phthalein purple to form a violet dye. Read More »
NANOCOLOR® TOC 600 Photometric determination of total organic carbon The determination of TOC is carried out in two steps: 1. Disposing of the inorganic carbon (TIC) 2. Decomposition of the organic carbon (TOC) and detection of the carbon dioxide formed Read More »
NANOCOLOR® TOC 60 Photometric determination of total organic carbon The determination of TOC is carried out in two steps: 1. Disposing of the inorganic carbon (TIC) 2. Decomposition of the organic carbon (TOC) and detection of the carbon dioxide formed Read More »
NANOCOLOR® TOC 25 Photometric determination of total organic carbon The determination of TOC is carried out in two steps: 1. Disposing of the inorganic carbon (TIC) 2. Decomposition of the organic carbon (TOC) and detection of the carbon dioxide formed Read More »
NANOCOLOR® TTC / Sludge activity 150 Photometric determination of sludge activity Determination of the biochemical activity of sludge (activated sludge, digested sludge etc.) by means of the dehydrogenase activity using 2,3,5-Triphenyltetrazoliumchloride (TTC). Read More »
NANOCOLOR® Zinc 4 Photometric determination of zinc Photometric determination with zincon. At pH 8.5 – 9.5 zinc ions react with zincon to Read More »
NANOCOLOR® Tin 3 Photometric determination of tin Photometric determination of dissolved tin(II) and tin(IV) with 9-phenyl-3-fluorone. Read More »
NANOCOLOR® Thiocyanate 50 Photometric determination of thiocyanate Thiocyanate reacts with iron(III) ions to form blood-red iron(III) thiocyanate. Read More »
NANOCOLOR® Nonionic surfactants 15 Photometric determination of nonionic surfactants. Nonionic surfactants (ethoxylates with 3 to 20 ether bridges) react with an indicator (TBPE = Tetrabromphenolphthaleinethylester) to form a complexe, Read More »
NANOCOLOR® Cationic surfactants 4 Photometric determination of cationic surfactants. Photometric determination with disulfine blue. Read More »
NANOCOLOR® Anionic surfactants 4 Photometric determination of anionic surfactants. Under suitable conditions anionic detergents react with methylene blue to form a colored complex, which is extracted with an organic phase according to DIN 38 409-H23. Read More »
NANOCOLOR® Sulphite 100 Photometric determination of sulphite Photometric determination with potassium iodate/iodide. Sulphite ions bleach iodine solutions. Read More »
NANOCOLOR® Sulphite 10 Photometric determination of sulphite Photometric determination with a derivative of thiodibenzoic acid. Read More »
NANOCOLOR® Sulfide 3 Photometric determination of sulfide DIN method: N,N-Dimethyl-1,4-phenylene diamine reacts with hydrogen sulphide to form a compound which changes to leucomethylene blue. Read More »
NANOCOLOR® Sulphate 1000 Photometric determination of sulphate Photometric determination as barium sulphate. Read More »
NANOCOLOR® total Sulphate 200 Photometric determination of sulphate Photometric determination as barium sulphate. Read More »
NANOCOLOR® Starch 100 Photometric determination of starch SIodine-starch reaction Starch reacts with iodine in sulfuric acid solution to form a blue inclusion complex. Read More »
NANOCOLOR® Silver 3 Photometric determination of silver Silver ions react with an indicator to form a blue dye. Insoluble silver compounds like silver bromide, silver chloride, silver iodide, silver cyanide or silverthiocyanate are not detected with this test. Read More »
NANOCOLOR® Potassium 50 Photometric determination of potassium Photometric turbidity measurement as potassium tetraphenylboratePotassium reacts with sodium tetraphenylborate to form an insoluble compound which Read More »
NANOCOLOR® POC 200 Photometric determination of polyoxycarboxylic acids Photometric turbidity determination with Hyamine® 1622. Read More »
NANOCOLOR® ortho-and total Phosphate 50 Photometric determination of phosphate Photometric determination of the yellow phosphate-molybdate-vanadate complex after acidic hydrolysis and oxidation at 100-120 °C. Read More »
