![]()
Manufacturers produce direct sales LED lamp bead patch lighting products 0805 white light super bright indicator light dedicated
![]()
Photocoupler
Application of Spectrophotometer Method in Comprehensive Indicators of Organic Matter in Standard Test Method for Drinking Water
Key words: spectrophotometer method; standard test method for drinking water; US analytical instrument ; UV-1100; UV-1200

According to the "National Standards of the People's Republic of China GB/T 5750, 8-2006 Standard Test Method for Drinking Water Standards for Organic Matter": Relevant requirements: 1: 4-aminoaminopyrazine chloroform. Methylene blue. Diazepine Philippine. Sulfate. Fluorine reagent. Fluoride: isonicotinic acid-pyrazolone. Isonicotinic acid-barbituric acid. Nitrate nitrogen. N, N-diethyl-p-phenylenediamine. Phosphate. Amine.-H.Ammonia nitrogen.Phenolate. Salicylate. Diazo coupling. Nitrite nitrogen. Iodide. Barium sulfate catalysis. High concentration iodide. Salicylfluorone-chlorohexadecylpyridine. Diazaphenanthrene. Ammonium persulfate. Formaldehyde deficiency. Sodium diethyldithiocarbamate. Diacetaldehyde Oxalyl hydrazine. Zinc reagent - cyclohexanone. Dithizone. Silver diethylamine dithiocarbamate. Zinc-sulfuric acid system New silver salt. Diaminobenzidine. Dithizone. Diphenylcarbazide. Salicylfluorone. p-Dimethylaminobenzaldehyde. 4-Amino-3-linked ammonia-5-thio-1,2,4-triazole (AHMT) ). Formaldehyde è‚Ÿ. chrome azurol S. chromite bismuth. å·¯ base cotton enrichment - potassium periodate. diazo coupling. carbaryl. 
Spectrophotometer: This method is suitable for the determination of 4-aminoaminopyrazine chloroform in drinking water and water. Key words: spectrophotometer method; standard test method for drinking water; US analytical instrument ; UV -1100; UV-1200