TOTAL NITROGEN CONCENTRATION MEASURING METHOD, AND ITS APPARATUS

• Main Author: KUSUMI MIYOKO
• Format: Patent
• Language: English
• Published: 19.07.2001
• Edition: 7
• Subjects: CHEMISTRY; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; METALLURGY; PHYSICS; TESTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

PROBLEM TO BE SOLVED: To efficiently measure the nitrogen component contained in a sample water by making use of the oxidizing power of ozone and the oxidizing and reducing power of a photo-catalyst. SOLUTION: The sample water is brought into contact with ozone gas supplied from an ozone generator 1...