Total Nitrogen UV Analysis

Total Nitrogen UV Analysis, Total:58 items.

The international standard classification for "Total Nitrogen UV Analysis" includes: Chemical analysis , Boilers and heat exchangers , Analytical chemistry , Analytical chemistry in general , Rubber .

The Chinese standard classification for "Total Nitrogen UV Analysis" includes: Industrial gas and chemical gas , Boiler and its auxiliary equipment , Electrochemical, thermochemistry and optical profile type analyzer , Rubber products in general , Basic standards and general methods , Water supply and draining instrument and equipment , Environmental Quality Standard for atmosphere, water and soil , Analysis methods for exhaust emission pollutants , Basic standards and general methods on chemical fertilizers , Analysis methods for toxic substances in water .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 37186-2018 Gas analysis--Determination of sulfur dioxide and nitrogen oxides--Ultraviolet differential optical absorption spectroscopy
GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 25481-2010 On-line ultraviolet/visible spectrum analyzer
SPC GB/T 37186-2018 Gas analysis -- Determination of sulfur dioxide and nitrogen oxides -- Ultraviolet differential optical absorption spectroscopy (TEXT OF DOCUMENT IS IN CHINESE)
GB/T 13971-1992 Specification of ultra - Violet gas analyzers
GB/T 13971-2013 Specification of ultra-violet gas analyzers
GB/T 14422-1993 Analysis of water used in boiler and cooling system－Determination of benzotriazole－Ultraviolet spectrophotometry
GB/T 32737-2016 Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method
GB/T 41072-2021 Surface chemical analysis - Electron spectroscopies - Guidelines for ultraviolet photoelectron spectroscopy analysis

Professional Standard - Environmental Protection

HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
HJ/T 102-2003 The technical requirement for water quality automatic ananlyzer of total nitrogen
HJ 636-2012 Water quality. Determination of total nitrogen. Alkaline potassium persulfate digestion UV spectrophotometric method
HJ/T 42-1999 Stationary source emission -- Determination of nitrogen oxide -- Ultraviolet spectrophotometric method

National Metrological Verification Regulations of the People's Republic of China

JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen

Professional Standard - Water Conservancy

SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)

National Metrological Technical Specifications of the People's Republic of China

JJF 2049-2023 Calibration Specification for Total Radiant Flux of Ultraviolet Germicidal Lamp
JJF 1936-2021 Calibration Specification for UV Analyzers

Professional Standard - Agriculture

NY/T 1116-2006 Fertilizers - Determination of nitrate nitrogen content - Ultraviolet spectro - Photometric method

Professional Standard - Railway

TB/T 2544.3-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Benzotriazole by UV Spectrophotometry

Ministry of Ecology and Environment of the People's Replublic of China

GB 11894-1989 Water quility-Determination of total nitrogen UV spectrophotometric method-Alkaline potassium persulfate digestion method

Group Standards of the People's Republic of China

T/CIET 637-2024 UV LED packaging overall design specifications
T/GDCKCJH 048-2021 Performance requirements and test methods for ultraviolet analyzer
T/TGIC 010-2024 Textiles - Determination of gingerol content - Ultraviolet Spectrophotometry

Professional Standard - Commodity Inspection

SN/T 3097-2012 Determination of total nitrogen in fertilizers-Combustion

Professional Standard - Education

JY/T 0570-2020 General rules for ultraviolet and visible absorption spectrometry

Shandong Provincial Standard of the People's Republic of China

DB37/T 2704-2015 Determination of nitrogen oxides in exhaust gas from stationary pollution sources by ultraviolet absorption method

Professional Standard - Chemical Industry

HG/T 5642-2019 H,S/ SO2 ratio analyzer with UV method in sulfur recovery unit

Danish Standards Foundation

DANSK DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
OS GSO ISO 4735:2015 Oils of Citrus -- Determination of CD value by ultraviolet spectrometric analysis

Ente Nazionale Italiano di Unificazione

UNI 11759:2019 Determination of Total nitrogen - UV Spectrometry Method after oxidative digestion with sodium persulphate by means of the Flow Injection Analysis (FIA)

GCC Standardization Organization

GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 4735:2015 Oils of Citrus -- Determination of CD value by ultraviolet spectrometric analysis

International Organization for Standardization (ISO)

ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
ISO 4735:2002 Oils of citrus - Determination of CD value by ultraviolet spectrometric analysis

American Water Works Association (AWWA)

AWWA QTC98249 Total Organic Carbon Analysis for Difficult Matrices: An Ultra Violet/Persulfate Approach
AWWA ACE59838 UV Reactor Analysis Using CFD and UV Intensity Models
AWWA WQTC62577 Analyzing UV Reactor Validation Data to Verify UV Dose Delivery Using the UV Disinfection Guidance Manual
AWWA ACE68628 Analysis of a LPHO UV Reactor under Multiple Upstream Elbow Configurations Using UV Sensitive Fluorescent Microspheres
AWWA QTC97050 Comparison of Combustion Versus UV/Persulfate TOC Analysis

Spanish Association for Standardization (UNE)

UNE 84170:1983 OIL OF LEMON. ULTRA-VIOLET SPECTROPHOTO METRIC ANALYSIS
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).

Bureau of Indian Standards

IS 3025-34-4-2022 METHODS OF SAMPLING AND TEST PHYSICAL AND CHEMICAL FOR WATER AND WASTEWATER PART 34 NITROGEN Section 4 Determination of total nitrogen after UV digestion Method using flow analysis CFA and FIA and spectrometric detection

Standards Norway

NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4743:1993 Water analysis — Determination of total nitrogen after oxidation by peroxodisulphate
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate

Austrian Standards

ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion

Gosstandart of Russia

GOST 34712-2021 Natural gas. Determination of total sulfur by ultraviolet fluorescence method
GOST 34237-2017 Petroleum products. Determination of total sulfur by method ultraviolet fluorescence

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")

Association Francaise de Normalisation

NF ISO 4735:2002 Citrus essential oils - Determination of the CD value by ultraviolet spectrometric analysis
NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").

Netherlands Institute for Standardization

NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis

British Standards Institution (BSI)

BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)

Standard Association of Australia （SAA）

AS 3753:1990 Recommended practice for chemical analysis by ultraviolet/visible spectrophotometry