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Essential oils — Evaluation of miscibility in ethanol

This International Standard specifies a method for the evaluation of the miscibility of essential oils with mixtures of ethanol and water of known ethanol content.


Essential oils -- Analysis by high performance liquid chromatography -- General method

Liquid chromatography is a method of separation based on the phenomena of adsorption, partition, ion exchange and/or exclusion. It enables a small quantity of aromatic essential oil or other raw materials for the perfume industry to be analysed on a chromatographic column with an appropriate packing and under appropriate conditions, the possible identification of the different constituent and the quantitative determination of specific compounds by measuring the area or height of their peaks. Details of the method are described.


Determination of ester value of oils containing difficult-to-saponify esters

The method consists in hydrolysis of the esters present in a test portion by heating in the presence of a standard volumetric solution of potassium hydroxide in dimethylsulfoxide, and back-titration of the excess potassium hydroxide with a standard volumetric solution of sulfuric acid or hydrochloric acid.


Essential oils - Analysis by gas chromatography on capillary columns – General method

The Standard gives detailed information on all recurrent parameters, apparatus, products, methods and formulae for the analysis. The method consists in analyzing a small quantity of essential oil on a column of small diameter but great length, the inside wall of the column having been previously coated either directly with a specified stationary phase or with an impregnated support. If required different constituents are identified from their retention indexes. Quantitative determination of specific constituents is carried out by measurement of peak areas.


Huiles essentielles - Evaluation quantitative du résidu d’évaporation

The volatile fraction of the essential oil is evaporated on a boiling water bath and the residue is weighed.


Essential oils - Analysis by gas chromatography on packed columns - General method

The Standard gives detailed information on all recurrent parameters, apparatus, products, methods and formulae for the analysis. In general a small quantity of essential oil is analyzed under specified conditions. If required different constituents are identified from their retention indexes. Quantitative determination of specific constituents is carried out by measurement of peak areas.


Essential oils -sampling

This International Standard gives the general rules for the sampling of essential oils, in order to provide a laboratory with quantities that are suitable to be handled for expertise purposes. In the presence of a high content of water or other foreign bodies, this method may only be applicable to the “essential oil” fraction free from water and impurities.


Essential oils —Determination of refractive index

This International Standard specifies a method for the determination of the refractive index of essential oils.


Essential oils -Nomenclature

ISO 4720:2009 gives a list of the botanical names of plants used for the production of essential oils, together with the common names of the essential oils in English and French. ISO 4720:2009 includes an alphabetical index of common names of essential oils in English and French.


Essential oils –General rules for packaging, conditioning and storage

This Technical Specification describes the specifications to be met by the containers intended for containing essential oils, as well as recommendations relating to their conditioning and storage. Essential oils are used for different purposes: — food use; — pharmaceutical use; — perfumery and cosmetic use; — reference samples or test samples; — industrial raw materials. According to the use of the essential oils, it is necessary to use appropriate containers which also meet the requirements of national, European, or international regulations. This Technical Specification describes the materials to be used for the containers intended for containing essential oils, depending on the uses listed above. It also gives some general rules and recommendations relating to the properties of these containers and their conditioning and storage. NOTE The information given in this Technical Specification does not substitute for the regulations in force in the different countries.


Aromatic natural raw material- Vocabulary

ISO 9235:2013 specifies the terms and definitions, in English and French, relating to aromatic natural raw materials.


Essential oils — Principles of nomenclature

ISO 3218:2014 lays down the principles to be adopted for designating essential oils in English and French, e.g. for the labelling and/or the marking.


Essential oils - Determination of ester values, before and after acetylation, and evaluation of the contents of free and total alcohols

This International Standard specifies a method to evaluate the con* alcohols in essential oils by determination of ester values before anhydride in the presence of sodium acetate. The method is not applicable to essential oils containing appreciabl (for example linalol and terpineols), which would not be completely tents of free alcohols and total and after acetylation by acetic e quantities of tertiary alcohols acetylated. NOTE: For these essential oils the method given in IS0 3794l) should be used. The method is not applicable to essential oils containing appreciable quantities of phenols, lactones, aldehydes or enolysable ketones, which wou Id be acetyl( ated in addition to free alcohols.


Essential oils - Determination of carbonyl value - Potentiometric methods using hydroxylammonium chloride

Gives two methods for the potentiometric determination of the carbonyl value of essential oils which contain carbonyl compounds. Method 1 is based on a cold oximation reaction with hydrxoylammonium chloride with exception of citronellal which need a low temperature to avoid cyclization phenomena and acetylization. Method 2 is based on a hot oximation reaction with hydroxylammonium chloride and applies to essential oils whose main constituents are ketones which are general oximable only with difficulty.


Essential oils — Determination of content of phenols

This International Standard specifies a method for the determination of the percentage, by volume, of phenols in essential oils. NOTE See 8.2.2 which establishes some limits to the application of this method.


Essential oils –General rules for labeling and marking of containers.

This Technical Specification specifies the general rules for labelling and marking of containers for essential oils to enable the identification of the contents.


Essential oils - Determination of carbonyl value -free hydroxylamine method

This International Standard specifies a method for the determination of the carbonyl value of essential oils. lt is applicable to essential oils which contain carbonyl compounds (especially ketones, excluding methylketones) which are difficult to convert to oximes by the method specified in ISO 1279. The method is not applicable to essential oils which contain substantial amounts of esters or other alkali-sensitive constituents. International Standards specifying requirements for individual essential oils will specify whether this method or the hydroxylammonium chloride method specified in ISO 12791) is applicable.


Huiles essentielles — Détermination de l'indice d'acide

This International Standard specifies a method of determining the acid value of essential oils. This method is not applicable to essential oils containing appreciable quantities of lactones.


Essential oils - Determination of ester values, before and after acetylation, and evaluation of the contents of free and total alcohols

This International Standard specifies a method of determining the freezing points of essential oils. It is not applicable in the special case of essential oil of rose.


Essential oils — Determination of optical Rotation

This International Standard specifies a method for determining the optical rotation of essential oils. When dealing with solid oils, partially solid oils, oils that are highly viscous at room temperature, or highly coloured oils, this determination is carried out on a solution of the oil.


Essential oils — Determination of ester value

This International Standard specifies a method for the determination of the ester value of an essential oil. This method is not applicable to essential oils containing lactones or an appreciable proportion of aldehydes.


Essential oils — Preparation of test samples

This International Standard gives general guidance for the preparation of samples of essential oils submitted to a laboratory for analysis. lt is applicable, in particular, to those essential oils that cannot be analysed directly; that is those which are solid or partially solid at room temperature or those which are cloudy due to the presence of water or suspended particles. This method cannot be used for samples for determination of water.


Essential oils — Determination of relative density at 20 °C — Reference method

This International Standard specifies the reference method for the determination of the relative density of essential oils at 20 °C. NOTE If it is necessary to perform the test at a different temperature on account of the nature of the essential oil, the temperature should be mentioned in the International Standard appropriate to the essential oil concerned. The average correction in the region of 20 °C is from 0,000 7 to 0,000 8 per degree Celsius.


Resilient Floor Coverings — Homogeneous Poly(vinyl chloride) Floor Covering — Specification

This International Standard specifies the characteristics of homogeneous floor coverings, based on poly(vinyl chloride), supplied in either tile or roll form. Products may contain a transparent, non-PVC factory finish. To encourage the consumer to make an informed choice, this International Standard includes a classification system (see ISO 10874) based on intensity of use, which shows where these floor coverings should give satisfactory service. It also specifies requirements for marking.


Resilient Floor Coverings — Heterogeneous Poly(vinyl chloride) Floor Covering — Specification

This International Standard specifies the characteristics of non-cushioned, heterogeneous floor coverings, based on poly(vinyl chloride) (PVC), supplied in either tile or roll form. Products may contain a transparent, non-PVC factory finish. To encourage the consumer to make an informed choice, this International Standard includes a classification system (see ISO 10874) based on the intensity of use, which shows where these floor coverings give satisfactory service. It also specifies requirements for marking.


Resilient Floor Coverings - Specification for Smooth Rubber Floor Coverings with or without Foam Backing with a Decorative Layer

This European Standard specifies the minimum requirements for the safety, strength and durability of all types of domestic tables for use by adults, including those with glass in their construction. It does not apply to office tables or desks, tables for non-domestic use, tables for educational institutions and outdoor tables for which European Standards exist. It does not apply to tables where the table top is not fixed to the understructure, i.e. when applying test 3, Table 2, the top becomes detached from the understructure. With the exception of stability tests, the standard does not provide assessment of the suitability of any storage features included in domestic tables. It does not include requirements for the durability of castors and height adjustment mechanisms. It does not include requirements for electrical safety. It does not include requirements for the resistance to ageing and degradation. Annex A (informative) contains a table top deflection test.


Laminate Floor Coverings - Underlays - Specification, Requirements and Test Methods

This Technical Specification specifies test methods for the determination of the technical characteristics of underlays under laminate floor coverings. It includes minimum performance requirements for the underlay-flooring system to give satisfactory service and to encourage the consumer to make an informed choice. It also specifies requirements for marking and packaging. Underlays pre-attached to the laminate flooring coverings are not covered by this Technical Specification. Underlays for laminate floor coverings intended for use in electrostatically sensitive areas like computer rooms, etc., are not covered by this Technical Specification.


Laminate Floor Coverings - Elements with a Surface Layer Based on Aminoplastic Thermosetting Resins - Specifications, Requirements and Test Methods

This European Standard specifies characteristics, requirements and test methods for laminate floor coverings with a surface layer based on aminoplastic thermosetting resins as defined in 3.1 and 3.2. It also specifies requirements for marking and packaging. It includes a classification system, based on EN ISO 10874, giving practical requirements for areas of use and levels of use, to indicate where laminate floor coverings will give satisfactory service and to encourage the consumer to make an informed choice. Laminate floor coverings are considered for domestic and commercial levels of use, including domestic kitchens. This standard does not specify requirements relating to areas which are subjected to frequent wetting, such as bathrooms, laundry rooms or saunas.


Resilient Floor Coverings - Cork Floor Tiles – Specification

This document specifies the requirements for cork floor coverings made from agglomerated composition cork supplied in tile form which are designed to be used with a factory finish and/or an in situ finish. Cork floor coverings can be covered with other complementary layers of decorative materials, e.g. decorative cork or wood veneers, with or without applied colours. This document includes a classification system based on intensity of use which shows where cork floor tiles should give satisfactory service (see EN ISO 10874). It also specifies requirements for marking, labelling and packing.


Resilient Floor Coverings - Agglomerated Cork Underlays -Specification

This European Standard specifies the requirements for cork underlays made from agglomerated cork designed to be used in conjunction with any type of resilient floor covering to improve its acoustical performance and/or to provide a base for any rigid floor coverings. Optionally, they may be used to improve thermal performance. This standard also specifies requirements for marking and labelling.


Resilient, Textile and Laminate Floor Coverings - Essential Characteristics

This European Standard specifies the essential characteristics for the following types of floor coverings: - resilient floor coverings, excluding loose-laid mats; - textile floor coverings, excluding loose-laid (barrier) mats, runners and rugs; - laminate floor coverings; - modular multilayer floor coverings. These types of floor coverings may or may not be formulated to enhance the performance of one or more essential characteristics. These types of floor coverings are intended for internal use as floor coverings within a building according to the manufacturer's specifications. For these types of floor coverings this European standard specifies the assessment methods for determination of performances of the essential characteristics, the ways of expressing their performance, the systems for assessment and verification of constancy of performance (AVCP) their marking. This standard does not specify requirements of floor coverings, which are not related to the essential characteristics. These types of floor coverings are intended for internal use as floor coverings within a building according to the manufacturer's specifications. For these types of floor coverings this European standard specifies the assessment methods for determination of performances of the essential characteristics, the ways of expressing their performance, the systems for assessment and verification of constancy of performance (AVCP) their marking. This standard does not specify requirements of floor coverings, which are not related to the essential characteristics as defined in Regulation (EU) No 305/2011. This standard does not cover installation or maintenance of the floor coverings.


Resilient Floor Covering –Vocabulary

This European Standard gives definitions for terms relating to resilient floor coverings, in roll or tile form


Extenders for Paints - Specifications and Methods of Test – Part 1: Introduction and General Test Methods

This part of IS0 3262 gives the definition for the term extender and specifies test methods that are required for most of the subsequent parts of IS0 3262. The subsequent parts of IS0 3262 specify requirements and the corresponding methods of test for extenders for use in paints and related coating materials. These parts may also be suitable for the various materials covered by the standard when they are used for other applications.


Extenders for Paints — Specifications and Methods of Test — Part 2:Barytes (natural barium sulfate)

This part of ISO 3262 specifies requirements and corresponding methods of test for baryte (natural barium sulfate).


Extenders for Paints — Specifications and Methods of Test— Part 3: Blanc Fixe

This part of ISO 3262 specifies requirements and corresponding methods of test for blanc fixe.


Extenders for Paints — Specifications and Methods of Test — Part 4:Whiting

This part of ISO 3262 specifies requirements and corresponding methods of test for whiting.


Extenders for Paints — Specifications and Methods of Test — Part 5: Natural Crystalline Calcium Carbonate

This part of ISO 3262 specifies requirements and corresponding methods of test for natural crystalline calcium carbonate.


Extenders for Paints - Specifications and Methods of Test – Part 6: Precipitated Calcium Carbonate

This part of ISO 3262 specifies requirements and corresponding methods of test for precipitated calcium carbonate.


Extenders for Paints - Specifications and Methods of Test – Part 7: Dolomite

This part of ISO 3262 specifies requirements and corresponding methods of test for dolomite.


Extenders for Paints - Specifications and Methods of Test – Part 8: Natural Clay

This part of ISO 3262 specifies requirements and corresponding methods of test for natural clay.


Extenders for Paints - Specifications and Methods of Test – Part 9: Calcined Clay

This part of IS0 3262 specifies the requirements and the corresponding methods of test for calcined clay.


Extenders for Paints - Specifications and Methods of Test – Part 10: Natural Talc/Chlorite in Lamellar Form

This part of ISO 3262 specifies requirements and corresponding methods of test for products made from naturally occurring talc/chlorite in lamellar form. NOTE The mineralogical classes have been designated in accordance with products existing on the market (see annex A).


Oil of spearmint — Part 4: Scotch variety (Mentha gracilis Sole)

This part of ISO 3033 specifies certain characteristics of the oil of spearmint, Scotch variety (Mentha × gracilis Sole), in order to facilitate assessment of its quality.


Oil of grapefruit (Citrus × paradisi Macfad.), obtained by expression

This International Standard specifies certain characteristics of the oil of grapefruit (Citrus ¥ paradisi Macfad.), obtained by expression, in order to facilitate assessment of its quality.


Oil of lavandin Abrial (Lavandula angustifolia Miller x Lavandula latifolia Medikus), French type

This International Standard specifies certain characteristics of the oil of lavandin Abrial (Lavandula angustifolia Miller Lavandula latifolia Medikus), principally produced in France, in order to facilitate assessment of its quality. NOTE This oil is also known commercially as oil of lavandin abrialis.


Oil of black pepper (Piper nigrum L.)

This International Standard specifies certain characteristics of oil of black pepper (Piper nigrum L.), with a view to facilitating the assessment of its quality.


Huile essentielle d'ylang-ylang [Cananga odorata (Lam.) Hook. f. et Thomson forma genuina]

This International Standard specifies certain characteristics of the oil of ylang-ylang [Cananga odorata (Lam.) Hook. f. et Thomson forma genuina] from Madagascar, Mayotte and Comores, in order to facilitate assessment of its quality.


Extenders for Paints - Specifications and Methods of Test – Part 11: Natural Talc, in Lamellar Form, Containing Carbonates

This part of ISO 3262 specifies requirements and corresponding methods of test for products made from naturally occurring talc in lamellar form associated with carbonates. NOTE The mineralogical classes have been designated in accordance with products existing on the market (see annex A).


Extenders for Paints - Specifications and Methods of Test – Part 12: Muscovite-Type Mica

This part of ISO 3262 specifies requirements and corresponding methods of test for muscovite-type mica.


Extenders for Paints - Specifications and Methods of Test – Part 13: Natural Quartz (Ground)

This part of ISO 3262 specifies the requirements and .thecorresponding methods of test for natural quartz