Kemesta

 

This document specifies the terms, definitions, methodologies, and calculations that are required for the physical recycling and recovery of plastic waste. The document also defines the different types of physical recycling technologies used in the recovery and recycling of plastics waste sourced from post-industrial and post-consumer waste streams. The general requirements, process stages from “input “to “output” that should be considered in evaluating different types of physical recycling methodologies are described in the document which may be useful for any plastics waste processor or recycler. Further, this document gives guidance on the general process and quality requirements to be considered at all stages of the recovery process and provides general recommendations for inclusion in material standards, test standards and product specifications. This document provides guidelines for all types, technologies of physical recycling, currently in practice which are characterized by processes that include the selective dissolution, delamination, extraction or precipitation of plastic waste without intentional changes to its chemical structure. The process stages, requirements, recommendations, and terminology presented in this document are intended to be of general applicability.

 

This document specifies general requirements for the measurement of viruses in workplace air. This document complements the scope of EN 13098. The document provides guidelines for the assessment of workplace exposure to airborne viruses comprising the methodology for sampling as well as for analysis, which is applicable for both, active or inactive viruses, e.g. methods based on cell-culture or molecular biology. This document is not applicable for the measurement of other microorganisms than viruses and microbial compounds.

 

Applicable to test pieces cut from products of cellular materials. Useful for two purposes: a) studying the structure of cellular products in connection with their physical properties and their method of manufacture and b) ensuring product quality (quality assurance). Describes principle, apparatus, test piece and conditions, procedure and calculation and expression of the results. Three figures deliver the details for testing.

 

This document specifies requirements for the biobanking of human mesenchymal stromal cells derived from umbilical cord tissue (i.e. Wharton’s jelly), further referred to as hUC-MSCs, including the collection of umbilical cord tissue and associated data, isolation, culture characterization, quality control, cryopreservation, storage, thawing, disposal, distribution and transport..This document is applicable to all organizations performing biobanking of hUC-MSCs used for research and development. This document does not apply to hUC-MSCs for the purpose of in vivo application in humans, clinical applications or therapeutic use. NOTE International, national or regional regulations or requirements, or multiple of them, can also apply to specific topics covered in this document.

 

This document specifies requirements for the biobanking of human mesenchymal stromal cells derived from bone marrow (hBM-MSCs), including the collection of bone marrow and associated data, isolation, culture, characterization, quality control, cryopreservation, storage, thawing, disposal, distribution and transport. This document is applicable to all organizations performing biobanking with hBM-MSCs used for research. This document does not apply to hBM-MSCs for the purpose of in vivo application in humans, cell therapy, clinical applications, tissue engineering or therapeutic use. NOTE International, national or regional regulations or requirements, or multiple of them, can also apply to specific topics covered in this document.

 

This document specifies a method for the determination of the total nitrogen content and the content of ammoniacal, nitric, ureic and organic nitrogen in organic and organo-mineral fertilizers. This document is applicable to fertilizing product blends, where the blend is a mix of at least two of the following components: fertilizers, liming materials, soil improvers, biostimulants and where the following category organic fertilizers, organo-mineral fertilizers is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If the organic fertilizer or the organo-mineral fertilizer is not the highest % in the blend, the European Standard for the highest % of the blend applies. In case a fertilizing product blend is composed of components in equal quantity, the user decides which standard to apply. This document is applicable to products that at least contain a total nitrogen content of 1 % by mass. In case of fertilizing product blends, it is unattainable to ascertain the origin of the measured nitrogen with respect to the specific component. NOTE Variations in analytical methods for fertilizing product blends can lead to differing results as some components or matrix interactions can affect the outcome. Validation procedures have shown that developed standard methods are robust and reliable across diverse product compositions, but possible interferences and unexpected results when analysing fertilizing product blends are possible.

 

This European Standard specifies tests for adhesives for wood and derived timber products for the assessment of their resistance to hot and cold water. It can be used for the assessment of the strength of bonds with a thin bond-line. It does not apply to adhesives for structural use or to the manufacture of particleboards, fibreboards and plywood. It does not replace tests on finished products.

 

This European Standard classifies thermoplastic resin based wood adhesives for non-structural applications into durability classes D1 to D4 based on the dry and wet strengths of bond-lines measured under specified conditions after various conditioning treatments. For special applications, further tests that do not fall within the scope of this European standard can be applicable. The adhesives specified in this European standard are suitable for the bonding of furniture and interior structures, panelling, doors, windows, stairs etc. made of wood or derived timber products. This European Standard does not specify the temperature resistance of bond-lines

 

This document specifies a method for the determination of the chloride content in inhibitors by ion chromatography. This document is applicable to inhibitors and inhibiting compounds including mixtures of inhibitors and inhibiting compounds.

 

ISO 8502-2:2017 describes a method for the determination of chloride-containing salts that are readily soluble in water and are present on a steel surface. The method is also applicable to previously coated surfaces. ISO 8502-2:2017 includes a method, applicable in the field or in the laboratory, for washing off the surface while several methods are referred to for chloride analyses.

 

This document specifies references to methods for the determination of the chloride content in organic fertilizers, organo-mineral fertilizers, inorganic fertilizers, liming materials and inhibitors. This document is applicable to fertilizing product blends where the blend is a mix of at least two of the following components: fertilizers, liming materials, soil improvers, growing media, inhibitors, plant biostimulants, and where the following category: fertilizers is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If fertilizer is not the highest % in the blend, the European Standard for the highest % of the blend applies. In case a fertilizing product blend is composed only of inorganic products, the European Standard for inorganic fertilizers applies. NOTE Variations in analytical methods for fertilizing product blends can lead to differing results as some components or matrix interactions can affect the outcome. Validation procedures have shown that developed standard methods are robust and reliable across diverse product compositions, but possible interferences and unexpected results when analysing fertilizing product blends are possible.

 

This document describes a method for extracting, for analysis, soluble contaminants from a surface by swabbing them from their surfaces. With suitable surface sampling techniques, the test is applicable to steel surfaces before and after cleaning, as well as to coated surfaces between application of coatings.