Kemesta

Toimialayhteisö: Kemesta
Komitea: CEN/TC 321 (Explosives for civil uses)
Alkuperä: CEN
Määräpäivä: 2021-06-24
LaajennaSupista
 
This document specifies a method for determining the all-fire impulse and the no-fire impulse of electric detonators.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 321 (Explosives for civil uses)
Alkuperä: CEN
Määräpäivä: 2021-06-24
LaajennaSupista
 
This document specifies methods for determination of the sensitiveness to impact for plain detonators, electric detonators, non-electric detonators, electronic detonators, surface connectors, detonating cord relays and shock tubes used with electronic and non-electric detonators.This document applies to explosives for civil uses.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 321 (Explosives for civil uses)
Alkuperä: CEN
Määräpäivä: 2021-06-24
LaajennaSupista
 
This document specifies a method for determining the no-fire current of electric detonators. This document applies to explosives for civil uses.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 321 (Explosives for civil uses)
Alkuperä: CEN
Määräpäivä: 2021-06-24
LaajennaSupista
 
This document specifies a method for the determination of burning rate under ambient conditions for solid gun propellants. It is applicable to solid gun propellants and black powder in their original form up to a grain size of 8 mm.NOTE 1 Knowledge of burning rate is of high importance to manage risks associated with handling such explosives and of high importance to assess whether performance characteristics are met.NOTE 2 In cases where propellants having grain size higher than 8 mm are generally used, their burning rate is more influenced and controlled by parameters of element containing thereof, and thus knowledge of their burning rate at ambient condition is not of high importance.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 321 (Explosives for civil uses)
Alkuperä: CEN
Määräpäivä: 2021-06-24
LaajennaSupista
 
This document specifies a method for verification of the thermal stability of electric detonators, non-electric detonators, plain detonators, electronic detonators, surface connectors, detonating cord relays and shock tubes for use with electronic and non-electric detonators.This document applies to explosives for civil uses.Explosives become more stable in low temperatures and therefore this method does not include temperatures lower than (75 ± 2) °C.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 321 (Explosives for civil uses)
Alkuperä: CEN
Määräpäivä: 2021-06-24
LaajennaSupista
 
This document specifies a method for determining of resistance of electric detonators to electrostatic discharge (ESD).This document is applicable to explosives for civil uses.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 139 (Paints and varnishes)
Alkuperä: CEN
Määräpäivä: 2021-07-01
LaajennaSupista
 
This document specifies a method for assessing the bath stability of electro-deposition coatings used for automotive industries and other general industrial applications, e.g. chiller units, consumer products, radiators, aerospace, agriculture.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 139 (Paints and varnishes)
Alkuperä: CEN
Määräpäivä: 2021-07-01
LaajennaSupista
 
This document specifies a method for assessing the sedimentation of electro-deposition coating materials on horizontal surfaces used for automotive industries and other general industrial applications, e.g. chiller units, consumer products, radiators, aerospace, agriculture.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 139 (Paints and varnishes)
Alkuperä: CEN
Määräpäivä: 2021-07-01
LaajennaSupista
 
This document specifies a method for determining the wet-film resistivity of an electro-deposition coating (e coat) for automotive industries and other general industrial applications, e.g. chiller units, consumer products, radiators, aerospace, agriculture.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 139 (Paints and varnishes)
Alkuperä: CEN
Määräpäivä: 2021-07-01
LaajennaSupista
 
This document specifies a method for determining the volatile-matter content of electro-deposition coatings (e-coats) during stoving (stoving loss) used for automotive industries and other general industrial applications, e.g. chiller units, consumer products, radiators, aerospace, agriculture.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 139 (Paints and varnishes)
Alkuperä: CEN
Määräpäivä: 2021-07-01
LaajennaSupista
 
This document specifies the determination of the molar-mass distribution and the average molar mass values Mn (number average) and Mw (weight average) of polymers that are soluble in tetrahydrofuran (THF) by gel permeation chromatography (GPC).NOTE Also known as size exclusion chromatography (SEC).Even though the chromatograms obtained show good repeatability, it is possible that this method cannot be used with certain polymer types because of specific interactions (e.g. adsorption) within the sample/eluent/column system.The conditions specified in this document are not applicable to the GPC analysis of polymer samples with Mw values greater than 106 g/mol and/or of polymers with elution limits outside the calibration range (see 7.6 and Annex C).This document includes no correction method (e.g. for the elimination of peak broadening. If absolute molar-mass values are required, an absolute method (e.g. membrane osmometry for Mn or light scattering for Mw) can be used.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 139 (Paints and varnishes)
Alkuperä: CEN
Määräpäivä: 2021-07-01
LaajennaSupista
 
This document specifies the determination of the molar-mass distribution and the average molar mass values Mn (number average) and Mw (weight average) of polymers that are soluble in DMAC (N,N-Dimethylacetamide) by gel permeation chromatography (GPC).NOTE Also known as size exclusion chromatography (SEC).Even though the chromatograms obtained show good repeatability, it is possible that this method cannot be used with certain polymer types because of specific interactions (e.g. adsorption) within the sample/eluent/column system.The conditions specified in this document are not applicable to the GPC analysis of polymer samples with Mw values greater than 106 g/mol and/or polymers with elution limits outside the calibration range (see 7.6 and Annex C).This document includes no correction method (e.g. for the elimination of peak broadening). If absolute molar mass values are required, an absolute method (e.g. membrane osmometry for Mn or light scattering for Mw) can be used.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 139 (Paints and varnishes)
Alkuperä: CEN
Määräpäivä: 2021-07-01
LaajennaSupista
 
This document specifies the determination of the molar-mass distribution and the average molar mass values Mn (number average) and Mw (weight average) of polymers that are soluble in water by gel permeation chromatography (GPC).NOTE Also known as size exclusion chromatography (SEC).This method is applicable to neutral polymers and polyanions (e.g. polycarboxylates, polysaccharides, fully hydrolyzed polyvinyl alcohols and high-molecular polyethylene oxides). It is not applicable to polycations [e.g. polyvinylpyrrolidone, polyvinylpyridine, salts of poly(diallyl N,N dimethyl azacyclopentane), chitosan].Despite good solubility in the mobile phase and even though the chromatograms obtained show good repeatability, it is possible that this method cannot be used with certain polymer types because of specific interactions (e.g. adsorption) within the sample/eluent/column system (see also Clause 12).The conditions specified in this document are not applicable to the GPC analysis of polymer samples with Mw values greater than 106 g/mol and/or polymers with elution limits outside the calibration range (see 7.6 and Annex C).This document includes no correction methods (e.g. for the elimination of peak broadening). If absolute molar mass values are required, an absolute method (e.g. membrane osmometry for Mn or light scattering for Mw) can be used.
Toimialayhteisö: Kemesta
Komitea: CEN/TC 139 (Paints and varnishes)
Alkuperä: CEN
Määräpäivä: 2021-07-01
LaajennaSupista
 
This document specifies a method for determining the electric charge density of an electro-deposition coating (e coat) for automotive industries and other general industrial applications, e.g. chiller units, consumer products, radiators, aerospace, agriculture.
Toimialayhteisö: Kemesta
Komitea: ISO/TC 276 (Biotechnology)
Alkuperä: ISO
Määräpäivä: 2021-07-02
LaajennaSupista
 
Toimialayhteisö: Kemesta
Komitea: ISO/TC 45/SC 2 (Testing and analysis)
Alkuperä: ISO
Määräpäivä: 2021-07-06
LaajennaSupista
 
Toimialayhteisö: Kemesta
Komitea: ISO/TC 61/SC 5 (Physical-chemical properties)
Alkuperä: ISO
Määräpäivä: 2021-07-07
LaajennaSupista
 
Toimialayhteisö: Kemesta
Komitea: ISO/TC 134 (Fertilizers, soil conditioners and beneficial substances)
Alkuperä: ISO
Määräpäivä: 2021-07-07
LaajennaSupista
 
Toimialayhteisö: Kemesta
Komitea: CEN/TC 260 (Fertilizers and liming materials)
Alkuperä: CEN
Määräpäivä: 2021-07-08
LaajennaSupista
 
This document specifies three different methods (Methods A, B and C) for the determination of sulfur present in fertilizers extracts in the form of sulfates. Method A specifies the gravimetric method. Method B specifies the method using inductively coupled plasma optical spectrometry (ICP-OES). Method C specifies the method using ion chromatography (IC).