Absorbance at

Absorbance at, Total:85 items.

The international standard classification for "Absorbance at" includes: Petroleum products in general , Waxes, bituminous materials and other petroleum products , Cadmium, cobalt and their alloys , Chemical analysis of metals , Animal and vegetable fats and oils , Non-metalliferous minerals , Coals , Water quality , Metalliferous minerals , Nickel, chromium and their alloys , Inorganic chemicals , Inorganic chemicals in general , Organic acids , Ambient atmospheres , Iron ores , Rubber , Ferroalloys , Chemical reagents , Ferrous metals in general , Protection against crime , Animal feeding stuffs , Fertilizers , Aluminium and aluminium alloys , Materials for aluminium production , Power stations in general , Alcohols. Ethers , Ferrous metals .

The Chinese standard classification for "Absorbance at" includes: Petroleum products in general , Petroleum wax , Rare metals and their alloys analysis method , Semimetal and semiconductor material analysis method , Grease and oil processing and products , Building material raw material ore , Coal analysis methods , Analysis methods for toxic substances in water , Light metal ore , Heavy metals and their alloys analysis method , Salt production in general , Iron ore , Precious metal ore , Inorganic chemicals in general , General organic chemicals , Analysis methods for toxic substances in atmosphere , Rubber products in general , Steel and iron alloy analysis method , Chemical reagent in general , Crime judging technology , Livestock and poultry feed and additive , Chemical fertilizer and chemical soil conditioner , Heavy metals and their alloys , Metallurgical auxiliary material ore , Analysis methods for exhaust emission pollutants , Electron optics and other physical optics instrument , Electrician alloy parts , Petroleum development , Power plant and electric power system operating maintenance , Basic standards and general methods , Basic standards and general methods .

Professional Standard - Petrochemical Industry

SH/T 0415-1992 Test method for ultraviolet absorbance value of petroleum products
SH/T 0662-1998 Mineral oil - Determination of ultraviolet absorbance
SH/T 0406-1992 Determination method for vaseline ultraviolet absorbance

Professional Standard - Non-ferrous Metal

YS/T 569.1-2006 Thallium - Determination of copper content - Neocuproine-chloroform extraction photometric method
YS/T 569.4-2006 Thallium--Determination of zinc content--Dithizone extraction photometric method
YS/T 569.8-2006 Thallium - Determination of indium content - Crystal violet extraction photometric method
YS/T 569.6-2006 Thallium - Determination of lead content - Dithizone extraction photometric method
YS/T 569.5-2006 Thallium - Determination of cadmium content - Dithizone extraction photometric method
YS/T 227.2-1994 Determination of aluminum content in tellurium--Chromazurol S-tetradecyl pyridine bromide photometric method

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

GB/T 1819.6-2004 Methods for chemical analysis of tin concentrates - Determination of antimony content - The malachite green spectrometric method and the flame atomic absorption spectrometric method
GB/T 9721-1988 Chemical reagent-General rules for the molecular absorption spectrophotometry(ultraviolet and visible)
GB/T 6987.6-2001 Aluminium and aluminium alloys-Determination of copper content-Molybdenum blue spectrophotometric method
GB/T 1822-1979 Determination of copper content in tin concentrates;Biscyclohexanone oxalyl-dihydrazone photometric method
GB/T 8647.6-1988 Nickel; Determination of cadmium,cobalt,copper,manganese,lead and zinc contents; Flame atomic absorption spectrophotometric method
GB/T 14673-1993 quality - Determination of vanadium - Graphite furnace atomic absorption spectrometric method
GB/T 17777-2009 Determination of molybdenum in feeds - Spectrophotometry
GB/T 11081-2005 Standard test method for ultraviolet adsorption of white oils
GB/T 2441.2-2001 Determination of urea-Determination of biuret content-Spectrophotometric method
GB/T 14506.17-1993 Sillicate rocks. Determination of strontium content. Flame atomic absorption spectrophotometric method
GB/T 9874-2001 - Determination of lead content by atomic absorption spectrometry
GB/T 7728-1987 Chemical analysis of metallurgical products--General rule for flame atomic absorption spectrometric methods
GB/T 15264-1994 Ambient air－Determination of lead－Flame atomic absorption spectrophotometric method
GB/T 6730.49-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content
GB/T 19267.2-2003 Physical and chemical examination of trace evidence in forensic sciences―Part 2:Ultraviolet-visible absorption spectroscopy
GB/T 7475-1987 quality - Determination of copper, zinc, lead and cadmium - Atomic absorption spectrometry
GB/T 22500-2008 Animal and vegetable fats and oils—Determination of ultraviolet absorbance expressed as specific UV extinction
GB/T 5059.6-2007 Ferromolybdenum—Determination of phosphorus content—Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometrc method
GB/T 14506.16-1993 Sillicate rocks. Determination of rubidium content. Flame atomic absorption spectrophotometric method
GB/T 17418.3-2010 Methods for analysis of noble metals in geochemical samples - Part 3: Determination of palladium content - Preconcentration by thiourea - graphite furnace atomic absorption spectroph
GB/T 223.54-2022 Iron, steel and alloy—Determination of nickel content—Flame atomic absorption spectrometric method
GB/T 8647.5-1988 Nickel--Determination of magnesium content--Flame atomic absorption spectrophotometric method
GB/T 6730.14-1986 Methods for chemical analysis of iron ores - The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content
GB/T 1628.7-2000 Fundamental terminology of fixed extinguishing systems
GB 6730.36-1986 Methods for chemical analysis of iron ores - The flame atomic absorption spectrophotometric method for the determination of copper content
GB/T 18962-2003 General test method in salt industry - Determination of lead lon(AAS)
GB 6730.49-1986 Methods for chemical analysis of iron ores - The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content
GB/T 15262-1994 Ambient air－Determination of sulfur dioxide－Formaldehyde absorbing-pararosaniline spectrophotometry
GB/T 20675-2006 General test method in salt industry - Determination of copper ion(AAS)
GB/T 9489.3-1988 Determinations of Fe2O3,CaO,MgO,Na2O and K2O in alundum powder by atomic absorption spectrophotometry
GB/T 17418.3-1998 Methods for analysis of noble metals in geochemical samples--Determination of palladium content-Preconcentration by thiourea-Graphite furnace atomic absorption spectrophotometric method
GB/T 6730.55-2004 Iron ores—Determination of tin content—Flame atomic absorption spectrometric method
GB/T 13370-1992 Determination of lithium,sodium,potassium and cesium in uranium dioxide dioxide powders and pellets by atomic absorption spectrophotometry/flame emission spectrophotometry
GB/T 4634-1996 Determination of potassium,sodium,iron,calcium,magnesium and manganese in coal ash by atomic absorption spectrometric method
GB 11845-1989 Determination of Tungsten in Uranium Dioxide Powder and Pellets Spectrophotometric Method
GB/T 9723-1988 Chemical reagent-General rules for flame atomic absorption spectrometry
GB/T 23841-2009 Inorganic chemicals for industrial use - General method for the determinations of cadmium - Atomic absorption spectrometry
GB/T 11905-1989 Water quality--Determination of calcium and magnesium--Atomic absorption spectrophotometric method
GB/T 14506.15-1993 Sillicate rocks. Determination of lithium content. Flame atomic absorption spectrophotometric method
GB/T 9723-2007 Chemical Reagent - General Rule for Flame Atomic Absorption Spectrometry Analysis

Professional Standard-Ships

CB/T 3905.13-1999 Chemical analysis methods of tin-based bearing alloys-Atomic absorption spectrophotometry for determination of zinc content

Professional Standard - Energy

NB/SH/T 0891-2014 Spectrophotometric detection of soot in used engine oil samples

Professional Standard - Commodity Inspection

SN/T 1404-2004 Determination of manganese content in fluorspar for export - Flame atomic absorption spectrometric method

Professional Standard - Environmental Protection

HJ/T 64.2-2001 Stationary source emission -- Determination of cadmium -- Graphitic furnace atomic absorption spectrophotometric method
HJ 491-2009 Soil quality—Determination of total chromium—Flame atomic absorption spectrometry
HJ 737-2015 Soil and sediment - Determination of total beryllium - Graphite furnace atomic absorption spectrophotometry
HJ/T 63.2-2001 Stationary source emission -- Determination of nickel -- Graphitic furnace atomic absorption spectrophotometric method
HJ/T 65-2001 Stationary source emission -- Determination of tin -- Graphite furnace atomic absorption spectrophotometric method
HJ 687-2014 Solid waste- Determination of hexavalent chromium - by alkaline digestion/flame atomic absorption spectrophotometic

Professional Standard - Machinery

JB/T 6780-1993 Atomic Absorption Spectrophotometer
JB/T 9552.3-1999 Methods for chemical analysis of copper-chromium-zirconium alloys The determination of chromium by atomic absorption spectrophotometric method

Professional Standard - Urban Construction

CJ/T 68-1999 Municipal sewage.Determination of mercury.Cold atomic absorption photometry
CJ/T 65-1999 Municipal sewage.Determination of copper、zinc、lead、cadmium、manganese、nickeland iron.Atomic absorption spectrometry

Professional Standard - Petroleum

SY/T 5982-1994 Determination of Some Metal Elements in the Water from Oil and Gas Fields by Atomic Absorption Spectrometry

Professional Standard - Chemical Industry

HG/T 4551.3-2013 Determination of Nickel in Waste Chemicals - Part 3: Graphite Furnace Atomic Absorption Spectrophotometric Method
HG/T 4550.1-2013 Determination of Cadmium in the Waste Chemicals - Part 1: Graphite Furnace Atomic Absorption Spectrophotometric Method

Shandong Provincial Standard of the People's Republic of China

DB37/T 3314-2018 Determination of Alginic Acid Content in Fertilizer by Spectrophotometry

Professional Standard - Electricity

DL/T 867-2004 Analysis methods on arsenic cadmium chromium copper nickel lead and zinc in fly ash (Atomic absorption spectrometry)

Taiwan Provincial Standard of the People's Republic of China

CNS 9501-1982 Method of Chemical Analysis for Calcium in Metallic Silicon (GHA Absorptimetric Method)
CNS 9427-1982 Method for Determining Phosphorus Pentoxide in Dolomite (MIB K Absorptiometric Method)
CNS 5463-1980 The Method of Test for Cabmium in Water (Atomic Absorption, Direct)
CNS 5466-1980 Method of Test for Iron in Water (Atomic Absorption, Direct)
CNS 6837-1980 Method of Test for Traces of Thiophene in Benzene Using Isatin and Spectrophotometry

Hebei Provincial Standard of the People's Republic of China

DB13/T 5928-2024 Determination of Zinc Content in Iron and Steel Metallurgical Dust Flame Atomic Absorption Spectrophotometry and EDTA Titration

Professional Standard - Nuclear Industry

EJ/T 991-1996 Spectrophotometric Determination of Titanium in Uranium Dioxide

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods
GB/T 14571.4-2022 Test method of ethylene glycol for industrial use—Part 4：Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method
GB/T 7728-2021 Chemical analysis of metallurgical products—General rule for flame atomic absorption spectrometric methods

Professional Standard - Ferrous Metallurgy

YB/T 109.4-2012 Silicon Barium Alloy-Determination of Manganese Content-The Periodate Oxidation Spectrophotometric Method
YB/T 5329-2009 Vanadium pentoxide-Determination of silicon content-The molybdenum blue spectrophotometric method
YB/T 178.4-2012 Silicon-aluminium Alloy and Silicon-barium-aluminium Alloy-Determination of Manganese Cotent-The Periodate Oxidation Spectrophotometric Method

中华人民共和国国家卫生和计划生育委员会

WS/T 97-1996 Urine - Determination of creatinine - Spectrophotometric method
WS/T 107-1999 Method for determination of iodine in urine by As (III)-Ce4+catalytic spectrophotometry

Guangdong Provincial Standard of the People's Republic of China

DB44/T 1397-2014 Determination of Lutein in Feed Spectrophotometry

Professional Standard - Water Conservancy

SL 88-1994 Determination of chlorophyll (Spectrophotometric method)

Professional Standard - Hygiene

WS/T 44-1996 Urine.Determination of nickel.Graphite furnace atomic absorption spectrometric method