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thin plate chromatography

thin plate chromatography, Total:164 items.

In the international standard classification, thin plate chromatography involves: Pharmaceutics, Rubber and plastics products, Tea. Coffee. Cocoa, Meat, meat products and other animal produce, Rubber, Spices and condiments. Food additives, Fruits. Vegetables, Animal feeding stuffs, Protection against fire, Iron and steel products, Tobacco, tobacco products and related equipment, Milk and milk products, Sugar. Sugar products. Starch, Lubricants, industrial oils and related products, Edible oils and fats. Oilseeds, Optics and optical measurements, Printed circuits and boards, Protection against crime, Paint ingredients, Plastics, Products of non-ferrous metals, Wood-based panels, Materials and articles in contact with foodstuffs, Products of the chemical industry, Beverages, Analytical chemistry, Paper and board, Vocabularies, Organic chemicals, Paper products, Raw materials for rubber and plastics, Technical product documentation.

HU-MSZT, thin plate chromatography

MSZ 6793/3-1984

Professional Standard - Agriculture, thin plate chromatography

80药典四部-2015 0502 Thin layer chromatography
61药典四部-2020 0502 Thin layer chromatography
787兽药典一部-2015 Appendix Contents 0500 Chromatography 0502 Thin Layer Chromatography
780兽药典二部-2015 Appendix Contents 0500 Chromatography 0502 Thin Layer Chromatography
1764药典一部-2010 Appendix VI B Thin Layer Chromatography
2304药典二部-2010 Appendix V B Thin Layer Chromatography
水产品质量安全检验手册 7.7.1.2-2005 Chapter 7 Inspection of Additives in Aquatic Products Section 7 Determination of Colorants in Aquatic Products 1. Determination of Synthetic Colorants (GBT 5009.35-2003) (2) Thin Layer Chromatography
NY/T 1402.1-2014 Rubber,raw,natural.Determination of castor oil content.Part 1: Determination of castor oil glyceride content.thin.layer chromatography
NY/T 1402.1-2007 Rubber,Raw,Natural Determinationof Castor Oil Content Part 1: Determinationof Castor Oil Glycerides Content Thin Layer Chromatographic Method
水产品质量安全检验手册 7.7.3.2-2005 Chapter 7 Inspection of Additives in Aquatic Products Section 7 Determination of Colorants in Aquatic Products 3. Determination of Gardenia Yellow (GBT 5009.149-2003) (2) TLC

NL-NEN, thin plate chromatography

NEN 2295-1970 Terminology of thin-layer chromatography
NEN 6525-1982 Water - Determinalion of the content of six Polycyclic Aromatic Hydrocarbons (PAH) by thin-layer chromatography
NEN 6357-1990 Vegetable and animal oils and fats- Detection and identification of antioxidants Thin layer chromatographic method
NEN 6364-1987 Vegetable and animal oils and fats - Separation of the sterols from the unsaponifiable matter by thin layer chromatography

ET-QSAE, thin plate chromatography

ES 542-2000

British Standards Institution (BSI), thin plate chromatography

BS ISO 15106-4:2009 Plastics. Film and sheeting. Determination of water vapour transmission rate. Gas-chromatographic detection sensor method
BS ISO 15106-4:2008 Plastics - Film and sheeting - Determination of water vapour transmission rate - Gas-chromatographic detection sensor method
BS 7164-32.1:1998 Chemical tests for raw and vulcanized rubber. Methods for determination of accelerators.. Gas and thin layer chromatography
BS ISO 14674:2005 Milk and milk powder - Determination of aflatoxin M1 content - Clean-up by immunoaffinity chromatography and determination by thin-layer chromatography
BS ISO 15106-6:2015 Plastics. Film and sheeting. Determination of water vapour transmission rate. Atmospheric pressure ionization mass spectrometer method
BS ISO 13110:2012 Cigarettes. Determination of menthol in smoke condensates. Gaschromatographic method
BS ISO 4645:2022 Rubber and rubber products — Identification of antidegradants — Thin layer chromatographic methods
BS EN ISO 13885-2:2021 Gel permeation chromatography (GPC) - N,N-Dimenthylacetamide (DMAC) as eluent
21/30433209 DC BS ISO 4645. Rubber and rubber products. Guide to the identification of antidegradants. Thin layer chromatographic methods
BS 6630:1985 Method for identification of antidegradants in rubber and rubber products by thin layer chromatography
19/30397405 DC BS ISO 13885-2. Gel permeation chromatography (GPC). Part 2. N,N-Dimenthylacetamide (DMAC) as eluent
BS 2782-5 Method 521A:1992 Methods of testing plastics - Optical and colour properties, weathering - Determination of haze of film and sheet

Group Standards of the People's Republic of China, thin plate chromatography

T/GXAS 363-2022 Identification method of guangshiwei Thin-layer chromatography
T/GXAS 365-2022 Identification method of luohancha Thin-layer chromatography
T/SSEA 0231-2022 Green Design Product Evaluation Technical Specification for Thin Slab Continuous Casting and Rolling Endless Rolling Continuous Hot-Dip Galvanized Steel Sheet and Strip
T/HZAS 14-2021 Determination of migration of decomposable aromatic amines on plastic chopping boards by gas chromatography-mass spectrometry
T/CNLIC 0094-2023 Requirements for assessment of green factory in coated tinplate or ECCS industry
T/CNLIC 0093-2023 Requirements for assessment of green factory in full aperture easy open end made of tinplate or ECCS industry
T/CNLIC 0092-2023 Requirements for assessment of green factory in threaded cap made of tinplate or ECCS for food containers industry

National Metrological Technical Specifications of the People's Republic of China, thin plate chromatography

JJF 1712-2018 Calibration Specification for Thin Layer Chromatography Scanners

Professional Standard - Public Safety Standards, thin plate chromatography

GA/T 819-2023

RO-ASRO, thin plate chromatography

STAS 8492-1969
SR ISO 4645:1995 Rubber and rubber products Guide to the identification of antidegradants - Thin layer chromatographic methods

VN-TCVN, thin plate chromatography

TCVN 7140-2002 Meat and meat products.Detection of colouring agents.Method using thin-layer chromatography
TCVN 7785-2007 Milk and milk powder.Determination of aflatoxin M1 content.Clean-up by immunoaffinity chromatography and determination by thin-layer chromatography
TCVN 6599-2007 Animal feeding stuffs.Semi-quantitative determination ofaflatoxin B1.Thin-layer chromatographic methods
TCVN 6349-1998 Animal and vegetable fats and oils.Detection and indentification of antioxidants.Thin-layer chromatographic method

International Organization for Standardization (ISO), thin plate chromatography

ISO 13496:2000 Meat and meat products - Detection of colouring agents - Method using thin-layer chromatography
ISO 15106-4:2008 Plastics - Film and sheeting - Determination of water vapour transmission rate - Part 4: Gas-chromatographic detection sensor method
ISO 14674:2005 | IDF 190:2005 Milk and milk powder — Determination of aflatoxin M1 content — Clean-up by immunoaffinity chromatography and determination by thin-layer chromatography
ISO 13110:2012 Cigarettes - Determination of menthol in smoke condensates - Gas-chromatographic method
ISO 4645:2022 Rubber and rubber products — Identification of antidegradants — Thin layer chromatographic methods
ISO 14674:2005 Milk and milk powder - Determination of aflatoxin M<(Index)1> content - Clean-up by immunoaffinity chromatography and determination by thin-layer chromatography
ISO 14674:2005|IDF 190:2005 Determination of aflatoxin M1 content in milk and milk powder by immunoaffinity chromatography, cleaning and thin layer chromatography
ISO 6651:2001 Animal feeding stuffs - Semi-quantitative determination of aflatoxin B<(Index)1> - Thin-layer chromatographic methods
ISO 4645:1984 Rubber and rubber products; Guide to the identification of antidegradants; Thin layer chromatographic methods
ISO 4645:1984/cor 1:1991 Rubber and rubber products; guide to the identification of antidegradants; thin layer chromatographic methods; technical corrigendum 1
ISO 6225-1:2006 Rubber, raw, natural - Determination of castor oil content - Part 1: Determination of castor oil glyceride content by thin-layer chromatography
ISO 6225-1:1984 Rubber, raw, natural; Determination of castor oil content; Part 1 : Determination of castor oil glycerides content; Thin layer chromatographic method
ISO 4586-2:1997/Amd 7:2002 High-pressure decorative laminates - Sheets made from thermosetting resins - Part 2: Determination of properties; Amendment 7: Stain resistance and cleanability

RU-GOST R, thin plate chromatography

GOST R ISO 13496-2013 Meat and meat products. Detection of colouring agents. Method using thin-layer chromatography
GOST 34148-2017 Canned fruits. Determination of synthetic colours erythrosine and phloxine B colour spresence by thin-layer chromatography method
GOST 33278-2015 Canned fruits. Determination of food synthetic colours mass fraction by thin-layer chromatography method
GOST 28621-1990 Rubber and rubber products. Guide to the identification of antidegradants. Thin layer chromatographic methods
GOST 33279-2015 Canned fruits. Determination of quinoline, triarylmethane and azo colours presence by thin-layer chromatography method
GOST 31709-2012 Milk and milk powder. Determination of aflatoxin M1 content. Clean-up by immunoaffinity chromatography and determination by thin-layer chromatography
GOST R 52828-2007 Wines and winestocks. Determination of ohratoxin A content. Method of thin-layer chromatography

Jilin Provincial Standard of the People's Republic of China, thin plate chromatography

DB22/T 2625-2017 Determination of Changbai Mountain Rana Oil by Thin Layer Chromatography

European Committee for Standardization (CEN), thin plate chromatography

EN 10205:1991 Cold Reduced Blackplate in Coil Form for the Production of Tinplate or Electrolytic Chromium/Chromium Oxide Coated Steel
EN 1396:2007 Aluminium and aluminium alloys - Coil coated sheet and strip for general applications - Specifications
EN 16939:2017 Animal feeding stuffs: Methods of sampling and analysis - Detection of tylosin@ spiramycin and virginiamycin - Thin Layer Chromatography and bioautography

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, thin plate chromatography

GB/T 6029-2016 Rubber，vulcanized—Determination of accelerants—Thin layer chromatographic method
GB/T 4499-2016 Rubber,vulcanized—Determination of antidegradants—Thin layer chromatographic method
GB/T 34455-2017 Paper,board and pulps—Determination of 2,2-bis(4-hydroxyphenyl) propane (bisphenol A )—Liquid chromatography

(U.S.) Ford Automotive Standards, thin plate chromatography

FORD FLTM EU-AP 050-3-2001 DETERMINATION OF ANTI-DEGRADANTS IN RUBBER BY THIN-LAYER CHROMATOGRAPHY
FORD FLTM EU-AP 050-03-2001 DETERMINATION OF ANTI-DEGRADANTS IN RUBBER BY THIN-LAYER CHROMATOGRAPHY
FORD FLTM AM 150-3-2001 MINERAL OIL CONTAMINATION OF BRAKE FLUID BY THIN LAYER CHROMATOGRAPHY (Replaces FLTM EU-AM 050-03)
FORD WSS-M11G38-A1-2004 DECORATIVE WOOD VENEER, PRESTAINED WHITE OAK-QUERCUS ALBA, CROWN CUT ***TO BE USED WITH FORD WSS-M99P1111-A***
FORD WSS-M11G45-A1-2008 DECORATIVE WOOD VENEER, PRESTAINED AMERICAN CHERRY-PRUNUS SEROTINA, CROWN CUT ***TO BE USED WITH FORD WSS-M99P1111-A***
FORD FLTM AM 150-03-2001 MINERAL OIL CONTAMINATION OF BRAKE FLUID BY THIN LAYER CHROMATOGRAPHY Replaces FLTM EU-AM 050-03 [Replaced: FORD FLTM EU-AM 050-03]

Association Francaise de Normalisation, thin plate chromatography

NF V32-163:1985 Spices and condiments. Dried peppermint ({Mentha} {Piperita} {Linnaeus}). Detection of carvone by thin layer chromatographic method.
NF V37-071*NF ISO 13110:2013 Cigarettes - Determination of menthol in smoke condensates - Gas-chromatographic method
NF ISO 13110:2013 Cigarettes - Dosage du menthol dans les condensats de fumée - Méthode par chromatographie en phase gazeuse
NF A50-432:2007 Aluminium and aluminium alloys - Coil coated sheet and strip for general applications - Specifications.
NF A50-432*NF EN 1396:2015 Aluminium and aluminium alloys - Coil coated sheet and strip for general applications - Specifications
NF EN 13523-3:2021 Tôles prélaquées - Méthodes d'essai - Partie 3 : différence de couleur et métamérisme - Comparaison au moyen d'instruments
NF T30-319-2*NF EN ISO 13885-2:2021 Gel permeation chromatography (GPC) - Part 2 : N,N-Dimenthylacetamide (DMAC) as eluent
NF Q03-072:1984 Paper and board. Tests for paper and board. Determination of inke and dye content of printed dyed or coloured articles made of soft tissue (cellucotton) and crepe paper.

CZ-CSN, thin plate chromatography

CSN 62 1141-1981 Viilcanized rubber. Identification of anticlegradants by thin layer chromatography
CSN 40 4006-1986 Radioactive substances. Radiochemical purity determination by thin-layer chromatography
CSN 68 4141-1989 Pure chemicals. Thin-layer chromato- raphy. General instructions for arrying out estimations.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, thin plate chromatography

GB/T 6029-1996 Vulcanized rubber--Determination of accelerant--Thin layer chromatographic method
GB/T 4499-1997 Vulcanized rubber--Determination of antidegradant content--Thin layer chromatographic method
GB/T 8381.4-2005 Method for determination of T-2 toxin in formula feed-Thin layer chromatography
GB/T 18294.2-2010 Technical identification methods for fire.Part 2:Thin layer chromatography analysis
GB/T 18932.2-2002 Method for the determination of high fructose starch syrup in honey--Thin-layer chromatographic method
GB/T 8381-2008 Determination of aflatoxin B in animal feeding stuffs.Semi-quantitative thin layer chromatograhic methods
GB/T 19267.9-2008 Physical and chemical examination of trace evidence in forensic sciences.Part 9:Thin layer chromatography
GB/T 19267.9-2003 Physical and chemical examination of trace evidence in forensic sciences--Part 9: Thin layer chromatography
GB/T 8381.6-2005 Method for determination of deoxynivalenol in formula feed-Thin layer chromatography
GB/T 24800.2-2009 Determination of 41 glucocorticoids in cosmetics by LC-MS-MS and TLC method

Professional Standard - Commodity Inspection, thin plate chromatography

SN/T 3118-2012 Determination of asphaltenes in residual oil.Claviform thin-layer chromatography
SN 0276-1993 Method for the determination of amprolium residuesin poultry meat for export.Thin layer chromatography
SN/T 2831-2011 Gas chromatography-mass spectrometry for the determination of diisopropylnaphthalene (DIPN) in paper and paperboard for export food contact materials
SN/T 4068-2014 Food contact materials.Regenerated cellulose film.Determination of solvent residue in coating.Headspace-gas chromatography-mass spectrometry
SN/T 3180-2012 Food contact materials.Polymers.Determination of residual solvent in plastic film.Gas chromatography
SN/T 2276-2009 Food contact materials.Paper pulp，paper and cardboard.Determination of pentachlorophenol in water extraction.GC/MS method
SN/T 4129-2015 Determination method of formaldehyde emission of wood-based panels and finishing products.High performance liquid chromatography method

Japanese Industrial Standards Committee (JISC), thin plate chromatography

JIS G 3312:1994 Prepainted hot-dip zinc-coated steel sheets and coils
JIS K 7129-6:2016 Plastics -- Film and sheeting -- Determination of water vapour transmission rate -- Part 6: Atmospheric pressure ionization mass spectrometer method

Professional Standard - Tobacco, thin plate chromatography

YC/T 285-2009 Cigarettes.Determination of menthol in blending cut tobacco.Gas chromatographic method
YC/T 286-2009 Cigarettes.Determination of menthol in mainstram cigarette smoke.Gas chromatographic method
YC/T 416-2011 Determination of menthol in cellulose acetate filter rods.Gas chromatographic method

US-ACEI, thin plate chromatography

IPC TM-650 2.3.28-1995 Ionic Analysis of Circuit Boards Ion Chromatography Method

IPC - Association Connecting Electronics Industries, thin plate chromatography

IPC TM-650 2.3.28A-2004 Ionic Analysis of Circuit Boards@ Ion Chromatography Method
IPC TM-650 2.3.28B-2012 Ionic Analysis of Circuit Boards@ Ion Chromatography Method
IPC TM-650 2.3.28.2-2009 Bare Printed Board Cleanliness by Ion Chromatography

International Dairy Federation (IDF), thin plate chromatography

IDF 190-2005 Milk and milk powder - Determination of aflatoxin M1 content - Clean-up by immunoaffinity chromatography and determination by thin-layer chromatography

PT-IPQ, thin plate chromatography

NP 3579-1987 Edible fats and oils Detection and identification of antioxidants. Thin-layer chromatographic method
NP 4135-1991 Animal feeding stuffs Determination of buquinolate content. Thin-layer chromatographic method

Professional Standard - Petrochemical Industry, thin plate chromatography

SH/T 0753-2005 Standard test method for determination of chemical group composition in lube base oil by thin-layer chromatography

Danish Standards Foundation, thin plate chromatography

DS/ISO 13110:2013 Cigarettes - Determination of menthol in smoke condensates - Gas-chromatographic method
DS/EN ISO 13885-2:2021 Gel permeation chromatography (GPC) – Part 2: N,N-Dimenthylacetamide (DMAC) as eluent (ISO 13885-2:2020)
DS/ISO 14674:2005 Milk and milk powder – Determination of aflatoxin M1 content – Clean-up by immunoaffinity chromatography and determination by thin-layer chromatography

AENOR, thin plate chromatography

UNE-ISO 13110:2014 Cigarettes. Determination of menthol in smoke condensates. Gas-chromatographic method
UNE 55085:1973 FATS. RECOGNITION OF NON GLYCERIDIC ESTERS IN EDIBLE FATS BY CHROMATOGRAPHY IN THIN LAYER.
UNE 84665:2005 Cosmetic raw materials. Plants extracts. Determinación of saponins in plants extract by thin layer chromatography.

Korean Agency for Technology and Standards (KATS), thin plate chromatography

KS H ISO 13110-2013(2018) Cigarettes－Determination of menthol in smoke condensates－Gas-chromatographic method
KS M ISO 4645:2010 Rubber and rubber products-Guide to the identification of antidegradants-Thin layer chromatographic methods
KS H ISO 5558-2008(2018) Animal and vegetable fats and oils－Detection and identification of antioxidants－Thin-layer chromatographic method
KS M ISO 4645:2015 Rubber and rubber products－Guide to the identification of antidegradants－Thin layer chromatographic methods
KS M ISO 4645-2015(2021) Rubber and rubber products－Guide to the identification of antidegradants－Thin layer chromatographic methods
KS M ISO 6225-1:2009 Rubber, raw, natural－Determination of castor oil content－Part 1：Determination of castor oil glyceride content by thin-layer chromatography
KS M ISO 6225-1-2009(2019) Rubber, raw, natural－Determination of castor oil content－Part 1：Determination of castor oil glyceride content by thin-layer chromatography

KR-KS, thin plate chromatography

KS H ISO 13110-2013(2023) Cigarettes－Determination of menthol in smoke condensates－Gas-chromatographic method

American Society for Testing and Materials (ASTM), thin plate chromatography

ASTM E2227-23 Standard Guide for Forensic Examination of Dyes in Textile Fibers by Thin-Layer Chromatography
ASTM E1478-97 Standard Practice for Visual Color Evaluation of Transparent Sheet Materials
ASTM E1478-97(2003) Standard Practice for Visual Color Evaluation of Transparent Sheet Materials
ASTM E1478-97(2009) Standard Practice for Visual Color Evaluation of Transparent Sheet Materials
ASTM D3210-95(2023) Standard Test Method for Comparing Colors of Films from Water-Emulsion Floor Polishes
ASTM E2227-02(2008) Standard Guide for Forensic Examination of Non-Reactive Dyes in Textile Fibers by Thin-Layer Chromatography
ASTM E2227-23e1 Standard Guide for Forensic Examination of Dyes in Textile Fibers by Thin-Layer Chromatography
ASTM E2227-13 Standard Guide for Forensic Examination of Non-Reactive Dyes in Textile Fibers by Thin-Layer Chromatography

YU-JUS, thin plate chromatography

JUS E.K8.041-1991 Vegetable fats and oils. Detection and Identification of antioxidants. Thin layer chromatograpbic method

Institute of Interconnecting and Packaging Electronic Circuits (IPC), thin plate chromatography

IPC TM-650 2.3.28-2004 Ionic Analysis of Circuit Boards, Ion Chromatography Method Revision A

Association of Official Analytical Chemists (AOAC), thin plate chromatography

AOAC Official Method 968.25 Thin-layer chromatographic spectrophotometric determination of the pesticide biphenyl in citrus fruits

国家质量监督检验检疫总局, thin plate chromatography

SN/T 4772-2017 Determination of fluorine and chlorine content in artificial boards by ion chromatography

PL-PKN, thin plate chromatography

PN C04544-02-1987 Water and waste water Tests for polycyclic aromatic hydrocarbons (PAH) Determination of benzo(a)pyrene in water by two-dimensional thinlayer chromatography method
PN C04608-17-1989 Water and waste water Test for pesticides Determination of atrazine and simazine by thin-layer chromatography method
PN C04608 ArkusZ10-1973 Water and waste water Tests for pesticides Determination of DNOC and dinoseb by thinlayer chromato- graphy method
PN C04608 ArkusZ02-1972 Water and waste water Tests for pesticides Determination of DDT, gamma HCH, methoksychlor and toxaphene by thin-layer chromatography method

Lithuanian Standards Office , thin plate chromatography

LST ISO 5558:2003 Animal and vegetable fats and oils - Detection and identification of antioxidants - Thin-layer chromatographic method (idt ISO 5558:1982)

Professional Standard - Chemical Industry, thin plate chromatography

HG/T 3501-2011 Chemical reagent.Determination of the effective plate number of solid support in a gas chromatography
HG/T 3501-1982 Determination of effective plate number of carriers used in chemical reagent gas chromatography
HG/T 4952-2016 Determination of ultraviolet absorbent for TAC film by High Performance Liquid Chromatographic method

Anhui Provincial Standard of the People's Republic of China, thin plate chromatography

DB34/T 3370-2019 Determination of Free Chlorine and Bromine on the Surface of Printed Circuit Boards by Ion Chromatography

Guangdong Provincial Standard of the People's Republic of China, thin plate chromatography

DB44/T 2040-2017 Determination of glyoxal content in paper and paperboard by high performance liquid chromatography
DB44/T 1156-2013 Determination of acrylamide in paper and board by high performance liquid chromatography

German Institute for Standardization, thin plate chromatography

DIN EN ISO 13885-2:2021-11 Gel permeation chromatography (GPC) - Part 2: N,N-Dimenthylacetamide (DMAC) as eluent (ISO 13885-2:2020); German version EN ISO 13885-2:2021

ES-UNE, thin plate chromatography

UNE-EN ISO 13885-2:2022 Gel permeation chromatography (GPC) - Part 2: N,N-Dimenthylacetamide (DMAC) as eluent (ISO 13885-2:2020)
UNE 84652:2016 Cosmetic raw materials. Plant extracts. Determination of polyphenols in hydroglycolic plants extracts by thin layer chromatography.

国家林业局, thin plate chromatography

LY/T 2883-2017 Determination of formaldehyde content in artificial boards and products by high performance liquid chromatography

国家市场监督管理总局、中国国家标准化管理委员会, thin plate chromatography

GB/T 39998-2021 Paper, board and paper products—Determination of alkylphenol polyethoxylates—HPLC-MS method

Professional Standard - Environmental Protection, thin plate chromatography

HJ 2525-2012 Technical requirement for environmental protection products Fast analyzer for detergent in gasoline by thin-layer chromatography

AT-ON, thin plate chromatography

OENORM EN ISO 13885-2:2021 Gel permeation chromatography (GPC) - Part 2: N,N-Dimenthylacetamide (DMAC) as eluent (ISO 13885-2:2020)

CH-SNV, thin plate chromatography

SN EN ISO 13885-2:2021 Gel permeation chromatography (GPC) - Part 2: N,N-Dimenthylacetamide (DMAC) as eluent (ISO 13885-2:2020)

Fujian Provincial Standard of the People's Republic of China, thin plate chromatography

DB35/T 1404-2013 Determination of 16 phthalate plasticizers in coated paperboard and its products by gas chromatography-mass spectrometry

International Electrotechnical Commission (IEC), thin plate chromatography

IEC 62321-3-4:2023 Determination of certain substances in electrotechnical products - Part 3-4: Screening - Phthalates in polymers of electrotechnical products by high performance liquid chromatography with ultraviolet