C51;Z16 标准查询与下载



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The method is based on acidifying the sample to stabilize it, evaporation almost to dryness, conversion to the sulfate form and ignition at 350 鳦, transfer of a portion of the residue to a planchette and counting beta-activity in a Geiger counting assembly. Covers non-volatile beta-active radionuclides with maximum beta energies higher than 0,3 MeV. Applies to the analysis of raw and potable waters.

Water quality; measurement of gross beta activity in non-saline water

ICS
13.060.60
CCS
C51;Z16
发布
1992-12
实施

The method is based on acidifying the sample to stabilize it, evaporation almost to dryness, conversion to the sulfate form and ignition at 350 鳦, transfer of a portion of the residue to a planchette and counting alpha-activity in a alpha-particle detector. Covers non-volatile (at 350 鳦) alpha-active radionuclides and can be extended to saline or mineralized waters, but with a reduced sensitivity. Applies to the analysis of raw and potable waters.

Water quality; measurement of gross alpha activity in non-saline water; thick source method

ICS
13.060.60
CCS
C51;Z16
发布
1992-12
实施

Specifies methods for the sampling of hospital, domestic, commercial and industrial buildings so that samples are representative of the water within the services in the premises. Applicable to all types of water services within buildings including hot water services, cold water services, cooling systems, and associated equipment. It is not applicable for sampling potable water services for vending machines.

Methods for sampling for Legionella organisms in water and related materials

ICS
07.100.20
CCS
C51;Z16
发布
1992-11-15
实施
1992-11-15

The method is based on liquid chromatographic separation of ions (low capacity anion exchanger as the stationary phase, and usually aqueous solutions of salts of weak monobasic and dibasic acids as mobile phases), detection by a conductivity detector, sometimes employed in combination with a suppressor device (e.g. a cation exchanger) which decreases the conductivity of the eluent and converts the separated anions into their corresponding acids. Admissible contamination is given for each anion. Water with low contamination means e.g. drinking water, rain water, ground water, and surface water. Interferences are also indicated.

Water quality; determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions; part 1: method for water with low contamination

ICS
13.060.50
CCS
C51;Z16
发布
1992-11
实施

Contains details on the sampling of domestic and industrial waste water, i.e. the design of sampling programmes and techniques for collection of samples including safety aspects. Covers waste water in all its forms. Sampling of accidental spillages is not included, although the methods described in certain cases may also be applicable to spillages.

Water quality; sampling; part 10: guidance on sampling of waste waters

ICS
13.060.45
CCS
C51;Z16
发布
1992-11
实施

The procedure specified can be applied for phytoplankton in natural surface waters and for testing algal growth in bio-assays. Using appropriate sampling it can also be applied to phytobenthic communities. The principle is collection of algae by filtration, extraction of algal pigments, spectrometric determination of the chlorophyll-a concentration in the extract, evaluation of the chlorophyll-a and phaeopigment concentration from the difference of absorbance at 665 nm prior to and after acidification of the extract.

Water quality; measurement of biochemical parameters; spectrometric determination of the chlorophyll-a concentration

ICS
13.060.50
CCS
C51;Z16
发布
1992-07
实施

Enteric viruses of public health significance are present in the aquatic environment. Enteric viruses have been detected in treated water supplies. Enteric viruses are responsible for a wide range of illnesses, ranging from hepatitis to gastroenteritis. This practice is applicable to the recovery of many plaque-forming enteric viruses from waters when used in conjunction with cell culture assay systems. The principles of this practice are applicable without technical modifications for monitoring for viruses based on the use of gene probe technology.1.1 This practice covers a uniform procedure for the concentration of viruses from collected samples.1.2 This practice describes a virus adsorption-elution cartridge filter procedure for recovering viruses from drinking water. Volumes of 400 L or more are processed for samples of drinking water quality.1.3 The principles of this practice are also applicable to sewages, effluents, and surface waters without technical modifications.1.4 Although specifically designed for recovery of human enteroviruses, this practice also may be applied to some other human enteric viruses, that have to be determined by specific testing.1.5 The consistency of this practice was determined from method evaluation studies with poliovirus-seeded drinking water samples.1.6 The values stated in SI units are to be regarded as the standard.1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Only adequately trained personnel should be allowed to perform these procedures and should use safety precautions recommended by the U.S. Public Health Service Center for Disease Control for work with potentially hazardous biological organisms.

Standard Practice for Recovery of Enteroviruses from Waters

ICS
07.100.20
CCS
C51;Z16
发布
1992
实施

Water quality; Determination of nitrate; Part 1 : 2,6-Dimethylphenol spectrometric method

ICS
13.060.50
CCS
C51;Z16
发布
1986-01
实施

Applicable to the determination of ammoniacal nitrogen in raw, waste water and sewage in the range 0.2 to 50 mg/l.

ICS
13.060.50
CCS
C51;Z16
发布
1984-12-31
实施
1984-12-31

Applicable to the determination of ammonium in raw, potable and waste water in the range 0.2 mg/l to 1 gm/l.

ICS
13.060.50
CCS
C51;Z16
发布
1984-12-31
实施
1984-12-31



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