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71 KEEMILINE TEHNOLOOGIA

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Uued standardid


EVS-EN 17034:2018
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Identne EN 17034:2018
Chemicals used for treatment of water intended for human consumption - Aluminium chloride anhydrous, aluminium chloride basic, dialuminium chloride pentahydroxide and aluminium chloride hydroxide sulfate
This document is applicable to aluminium chloride anhydrous, aluminium chloride basic, dialuminium chloride pentahydroxide and aluminium chloride hydroxide sulfate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of aluminium chloride basic, polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate and refers to the corresponding analytical methods. It gives information for their use in water treatment. It also gives the usable rules relating to safe handling and use of these aluminium salts (see Annex B).

ISO 19619:2018
Hind 49,50 EUR
Surface active agents -- Determination of free propylene oxide content in propylene oxide adduct surfactants -- GC method
ISO 19619:2018 specifies an analytical procedure for the determination of free propylene oxide in surfactants which are synthesized from propylene oxide copolymers. The method is appropriate for the qualitative and quantitative determination of propylene oxide groups in propylene oxide adducts, polyethers and polyglycol esters by headspace gas chromatography (HS-GC) with a flame ionization detector (FID) based on external procedure. Gas chromatography-mass spectrometry (GC-MS) is used for the confirmatory purposes.

Asendatud või tühistatud standardid


EVS-EN 881:2005
Identne EN 881:2004
Inimtarbevee töötlemiseks kasutatavad kemikaalid. Alumiiniumkloriid (monomeerne), alumiiniumkloriidhüdroksiid (monomeerne) ja alumiiniumkloriidhüdroksiidsulfaat (monomeerne)
This document is applicable to aluminium chloride (monomeric), aluminium chloride hydroxide (monomeric) and aluminium chloride hydroxide sulfate (monomeric) used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of aluminium chloride, aluminium chloride hydroxide and aluminium chloride hydroxide sulfate (monomeric) and refers to the corresponding analytical methods. This document does not apply to any polymeric form of these salts (see EN 883). It also gives information for their use in water treatment. It also determines the rules relating to safe handling and use of these aluminium salts (see Annex B).
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Asendatud EVS-EN 17034:2018

EVS-EN 883:2005
Identne EN 883:2004
Chemicals used for treatment of water intended for human consumption - Polyaluminium chloride hydroxyde and polyaluminium chloride hydroxyde sulfate
This European Standard is applicable to polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate used for treatment of water intended for human consumption .It describes the characteristics and specifies the requirements of polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate and refers to the corresponding analytical methods. It also gives information for their use in water treatment
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Asendatud EVS-EN 17034:2018

Kavandite arvamusküsitlus


prEN 17215
Identne prEN 17215
Tähtaeg 16.03.2018
Chemicals used for treatment of water intended for human consumption - Iron-based coagulants - Analytical methods
This document is applicable to iron-based coagulants used for treatment of water intended for human consumption. It specifies analytical methods to be used for products described in EN 888, EN 889, EN 890, EN 891 and EN 14664.
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prEN 61010-2-081:2018
Identne IEC 61010-2-081:201X; prEN 61010-2-081:2018
Tähtaeg 16.03.2018
Safety requirements for electrical equipment for measurement, control and laboratory use - Part 2-081: Particular requirements for automatic and semi-automatic laboratory equipment for analysis and other purposes
This clause of part 1 is applicable except as follows: 1.1.1 Equipment included in scope Replacement: Replace the text by the following: This part of IEC 61010 applies to automatic and semi-automatic laboratory equipment for analysis and other purposes. Automatic and semi-automatic laboratory equipment consists of instruments or systems for measuring or modifying one or more characteristics or parameters of samples, performing the complete process or parts of the process without manual intervention. Equipment forming part of such a system is within the scope of this standard. Examples of equipment within the scope of this standard include: • analytical equipment; • automatic sampler (pipettor, aliquoter); • equipment for sample replication and amplification. NOTE 1 In the case of analytical equipment the complete process usually includes the following steps: • taking a specific quantity of the sample; • preparing the sample by chemical, thermal, mechanical or other means; • measurement; • display, transmission or printing of the results of measurement. NOTE 2 If all or part of the equipment falls within the scope of one or more other part 2 standards of IEC 61010 as well as within the scope of this standard, considerations have to be given to those other part 2 standards.
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