hj/t31-1999

hj/t31-1999, Total:67 items.

The international standard classification for "hj/t31-1999" includes: .

The Chinese standard classification for "hj/t31-1999" includes: Analysis methods for exhaust emission pollutants , Analysis methods for toxic substances in water , Environmental monitoring instrument and its complete equipment , Analysis methods for industrial wastewater and pollutants , Printing Technology .

Professional Standard - Environmental Protection

HJ/T 48-1999 Technical conditions of sampler for stack dust
HJ/T 29-1999 Stationary source emission -- Determination of chromate fog -- Diphenyl carbazide spectrophotometric method
HJ/T 32-1999 Stationary source emission -- Determination of phenols -- 4-Amino-antipyrine spectrophotometric method
HJ/T 30-1999 Stationary source emission -- Determination of chlorine --Methyl orange spectrophotometric method
HJ/T 52-1999 Water quality -- Guidance on sampling techniques of rivers
HJ/T 26.1~26.5-1999 Test method of pollutants emitted by light-duty vehicles
HJ/T 50-1999 Water quality -- Determination of trichloro-aldehyde -- 3-methyl-1-phenyl-5-pyrazolone spectrophotometric method
HJ/T 27-1999 Stationary source emission -- Determination of hydrogen chloride -- Mercuric thiocyanate spectrophotometric method
HJ/T 45-1999 Stationary source emission -- Determination of asphaltic smoke -- Gravimetric method
HJ/T 26.4-1999 Measuring method for pollutants from light-duty vehicle.Ageing test method for verifying the durability of pollution control devices
HJ/T 46-1999 Technical conditions of detector of sulphur dioxide concentration for constant potential electrolysis method
HJ/T 25-1999 Environmental quality risk assessment criteria for soil at manufacturing facilities
HJ/T 36-1999 Stationary source emission -- Determination of acrolein -- Gas chromatography
HJ/T 38-1999 Stationary source emission -- Determination of nonmethane hydrocarbons -- Gas chromatography
HJ/T 49-1999 Water quality -- Determination of boron curcumin -- Spectrophotometric method
HJ/T 33-1999 Stationary source emission -- Determination of methanol -- Gas chromatography
HJ/T 43-1999 Stationary source emission -- Determination of nitrogen oxid -- N(1-naphtye) -- Ethylenediamine dihydrochloride spectrophotometric method
HJ/T 37-1999 Stationary source emission -- Determination of acrylonitrile -- Gas chromatography
HJ/T 42-1999 Stationary source emission -- Determination of nitrogen oxide -- Ultraviolet spectrophotometric method
HJ/T 26.3-1999 Measuring method for pollutants from light-duty vehicle.Measuring method of fuel evaporative emissions method of the enclosure
HJ/T 47-1999 Technical conditions of sampler for stack gas
HJ/T 44-1999 Stationary source emission -- Determination of carbon monoxide -- Non-dispersive infrared absorption method
HJ/T 34-1999 Stationary source emission -- Determination of vinyl chloride -- Cas chromatography
HJ/T 51-1999 Water quality -- Determination of total salt -- Gravimetric method
HJ/T 41-1999 Stationary source emission -- Determination of asbestos dust -- Microscopic count
HJ/T 26.1-1999 Measuring method for pollutants from light-duty vehicle.Measuring method for exhaust pollutants
HJ/T 35-1999 Stationary source emission -- Determination of acetaldehyde -- Gas chromatography
HJ/T 31-1999 Stationary source emission -- Determination of phosgene -- Aniline ultraviolet spectrophotometric method
HJ/T 28-1999 Stationary source emission -- Determination of hydrogen cyanide -- Iso-nicotinic-acid-3-methyl-1-phenyl-5-pyrazolone spectrophotometric method
HJ/T 39-1999 Stationary source emission -- Determination of chlorobenzenes -- Gas chromatography
HJ/T 26.2-1999 Measuring method for pollutants from light-duty vehicle.Measuring method for emissions of crankcase gases
HJ/T 40-1999 Stationary source emission -- Determination of benzo(a) pyrene -- High performance liquid chromatography
HJ/T 26.5-1999 Measuring method for pollutants from light-duty vehicle.Specification of reference fuels for emissions test

Professional Standard - Construction Industry

JG/T 31-1999 Earth-moving machinery - Operating instrumentation

Professional Standard - Press and Publication

CY/T 31-1999 Graphic technology -Colour and transparency of ink sets for four colour-printing-Part 1:Sheet-fed and heat-set web offset lithographic printing

Professional Standard - Urban Construction

CJ/T 31-1999 The metallographical structure evaluation for liquified petroleum gas cylinders

Professional Standard - Aviation

HB 459.1-1984 HJ-1 welding rod technical conditions

Shanghai Provincial Standard of the People's Republic of China

DB31/T 71-1999 Rational use of electricity for infrared heating devices
DB31/T 226-1999 Lime vertical kiln operation management and energy saving monitoring
DB31/T 223-1999 Operational supervising of steam heating system
DB31/T 17-1999 Comprehensive utilization of resources Power generation operation management
DB31/T 229-1999 heat transfer oil
DB31/T 73-1999 Process supervising and moniting for energy saving of cement
DB31/T 1-1999 Economic operatioon of planting equipment and its energy saving monitoring
DB31/T 227-1999 Method for calculating intergrating energy consumption of standard unit production of viscose fibre
DB31/T 105-1999 General Rules for Calculating Energy Utilization Rate of Enterprises
DB31/T 48-1999 Monosodium glutamate, beer unit product energy consumption quota and calculation rules
DB31/T 30-1999 Acceptance standard for residential decoration
DB31/T 222-1999 Economic Operation and Energy Saving Monitoring of Foundry Cupola
DB31/T 25-1999 Economical operation and energy saving monitoring of heat - treatment electric heating equipment
DB31/T 72-1999 Equipment configuration for check-measure and control in industrial boiler function
DB31/T 47-1999 Quota and index of consumed water of unit product for paper and paper board and its calculating method
DB31/T 224-1999 Operation and management of gas generator system
DB31/T 33-1999 old liquor
DB31/T 6-1999 Daily-use glass tank kiln management and product energy consumption quota
DB31/T 3-1999 Eelectric power demand side monitoring instrument
DB31/T 26-1999 Operation management and energy saving monitoring of steam curing pit for concrete products
DB31/T 45-1999 Idling Speed Method for Measuring Exhaust Pollutants of Mopeds with Gasoline Engines
DB31/T 231-1999 Cold chain technical operation rules for the circulation of frozen aquatic products
DB31/T 82-1999 Steel slag for asphalt mixture pavement and road base
DB31/T 221-1999 Evaluating method of drying efficiency for hot-air drying equipments
DB31/T 220-1999 General Rules for Energy Saving Management and Monitoring of Industrial Furnaces
DB31/T 228-1999 Calculating method for electricity consumption of knitted fabric and knitwear to standard product
DB31/T 34-1999 Determination and Calculation of Heat Balance of Industrial Furnace
DB31/T 154-1999 Evaluating method for recovery and utilization waste heat resources
DB31/T 230-1999 Energy consumption quotas and calculation rules for products in the daily chemical industry

Group Standards of the People's Republic of China

T/SDECA 5088-2022 HJ steel bar truss composite plate