GB/T 39109-2020 in English

VALID

Textiles—Determination of benzophenone ultraviolet absorbents

Issued on:2020-10-21
Implemented on:2021-05-01
File Format:PDF
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Standard No:	GB/T 39109-2020
Document status:	VALID
Title in English:	Textiles—Determination of benzophenone ultraviolet absorbents
Title in Chinese:	纺织品二苯甲酮类紫外线吸收剂的测定
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2020-10-21
Implemented on:	2021-05-01
ICS Classification:	59.080.01-Textiles in general
Chinese Classification:	W04-Basic standards and general methods
Professional Classification:	GB-National Standard
Related Topics:	UV absorber content test Benzophenone The UV absorption peak of zinc Zinc UV absorption peak UV absorption curve UV absorbing chromium UV benzene ring peak Benzophenone+ Disulfiram UV absorption peak Zinc UV absorption Volumetric UV Collection Gadolinium oxide UV absorption Solvents for UV detection Gold ion UV absorption peak Color and UV Absorption Ammonium acetate UV absorption UV absorbing color gas phase ultraviolet absorption Indirect UV Absorption Detection Ammonium acetate UV absorption Acetic acid UV absorption Potassium chloride UV absorption Does Cobalt Absorb UV? UV absorption of zinc UV Absorption of Ammonium Acetate UV Absorption and Fluorescence of Perylene UV Absorption of Potassium Iodate Zinc UV absorption UV absorbing color Ammonium sulfate UV absorption ultraviolet light UV absorption curve UV Absorption Description Pigment UV absorption peak UV absorption of n-hexane Ammonia UV absorption UV maximum absorption peak Phenyl ring to UV Ammonium acetate UV absorption Acetic acid UV absorption UV absorption of ammonia UV absorption of esters Solid UV absorption Solid UV absorption peak Does Zinc Absorb UV? UV Absorption of Sodium Sulfate Several absorption peaks in the UV spectrum UV absorption peak of carbon black Textile Benzene Testing UV band gap trace UV absorption Isotope UV Absorption UV Absorption of Ammonia The UV absorption peak of the ester Determination of UV Absorption by Sodium Sulfate Graphene UV absorption UV absorption intensity Black UV absorption peak UV reflection absorption UV Absorption Detector Sulfuric acid UV absorption UV peak analysis of benzene ring UV absorption peak of silver m-cresol UV absorption UV detection of benzene UV benzene series UV absorption color UV absorption UV absorption of acetic acid Silver UV absorption UV Absorption Curve Peak Determination of Carbon Monoxide by Ultraviolet Absorption Infrared absorption peaks of ketones hg UV absorption Ester UV absorption peak Bromide ion UV absorption peak Chromium ion UV absorption peak Silver UV absorption peak Ester UV absorption peak Ester UV absorption The UV absorption peak of polyethylene glycol UV detector absorption wavelength Polyethylene glycol UV absorbing The UV absorption peak of gold ions Keto ester absorption peak Antibiotic UV Absorption accumulation of UV absorption Zinc UV absorption Used UV Detectors Pyrene UV Absorption Fluorescence Urea UV absorption liquid UV absorber Acetic acid UV absorption UV test sample requirements Difference in UV Absorption UV Absorption of Polyethylene Glycol gel UV absorption Aniline UV Polyethylene glycol UV absorption peak Hexacyanocobalt UV absorption peak Ammonium sulfate UV absorption UV absorption of lead solution UV absorbing ester Pyrene UV maximum absorption Gold ion UV absorption Carbon dioxide UV absorption peak The UV absorption peak of sodium acetate Phosphate UV Absorption Copper ion UV absorption UV absorption and UV reflection How to measure UV absorption UV absorption of m-cresol tartaric acid UV absorption Disulfiram UV absorption peak Absorption Volume for UV Absorption UV absorber test method UV sample volume Cobalt ion UV absorption peak UV absorption of silver Silver UV absorption peak Polyethylene glycol UV absorbing UV absorption UV Absorption Mercury Meter Ammonium sulfate UV absorption peak How to measure UV absorption peak Cobalt ion UV absorption Ammonium sulfate UV absorption UV absorber Xylene ketone detection Absorption peak of methyl group Barium UV absorption UV absorption of acetic acid Acetic acid UV absorption peak Alumina UV absorption Carbon Black UV Absorption Coefficient Graphene UV absorption peak UV benzene ring Tannin UV absorption peak UV absorption peak acetic acid The UV absorption peak of acetic acid Antibiotic UV Absorption Graphene UV absorption peak Graphene UV absorption peak Liquid UV absorption and How to Test for UV Absorption The UV absorption band of pyrene Methyl absorption peak The UV absorption peak of copper ion Sodium Acetate UV Absorption UV absorption thickness UV Absorption Data Silver UV absorption UV absorption coefficient of water Sulfate UV absorption Methyl absorption peak Sulfate UV absorption Ammonia UV absorption peak UV absorption of carbon monoxide Absorption edge in UV diagram Benzene series UV UV absorption peaks of various drugs UV gas absorption peak Gold UV Absorption Peak Intensity UV absorption of tartaric acid Acid UV absorption Ammonia UV absorption peak The UV absorption peak of sulfurous acid Gold UV Absorption Peak Intensity color UV absorption Acetylene UV absorption Quartz does not absorb UV light Liquid phase UV absorption peak Phenyl ring UV Cresol UV absorption tartaric acid UV absorption UV detector best absorption wavelength UV absorption peaks of semiconductors n-Hexadecane UV absorption Does Hydrazine absorb UV rays? secondary water absorption Ammonium Sulfate UV absorbing Boric acid UV absorption Ammonia UV absorption 2nd order UV UV absorption of iodine toc UV absorption UV Absorption of Zinc Oxide UV absorption reflection Two groups of peaks of UV absorption Pentacene absorption peak UV reflection absorption UV, IR and AA UV absorption background Differential UV Absorption Quartz absorbs UV light UV benzene series reflection of UV absorption Neutral red ultraviolet absorption Does Quartz Absorb UV? 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Indigo UV Maximum Absorption UV absorption of gold ions UV absorption of chloroform UV absorbing metal UV Sodium Benzoate Diphenyl ether UV The UV absorption peak of nitro group Polyethylene glycol UV absorbing Uranyl UV absorbing UV Absorption Detection Method Acetone UV absorption peak The UV absorption peak of formic acid Sodium chloride UV absorption peak Formic acid UV absorption UV absorption coefficient UV absorption unit The outer absorption peak of pvc Acetone UV absorption peak Copper sulfate UV absorption peak UV absorption peak area UV absorption peak area Solid UV Absorber UV Classification UV absorption and reflection Production of UV Absorption UV Absorption of Sodium Acetate Complex UV absorption UV Absorption of Potassium Chloride Ferric Chloride UV Absorption UV absorption of water UV absorption of copper ions themselves UV formic acid UV methane UV absorption unit UV Determination Literature UV station type UV absorption point Aniline UV Ferric Chloride UV Absorption Peak UV absorption sensor Benzene UV absorption Copper UV absorption UV absorption peak unit What is the UV absorption of solids? UV absorption peak intensity Reagents for UV Absorption UV absorption peak of urea Water UV absorption peak Ionic UV absorption properties Zinc Oxide UV Absorption The absorption peak of formic acid UV absorption has multiple peaks UV absorption and concentration UV absorption peak concentration Benzene UV absorption peak Sodium UV Benzoate Class II Reagent Products Absorption of methyl groups UV absorption range UV reflective absorbing edge UV absorption emission peak Zinc chloride UV absorption peak UV absorption peak of copper Copper UV absorption peak UV absorption boundary How to measure UV absorbance UV test sample requirements nPyrene UV absorption Acetone UV Concentration UV absorption UV absorption of titanium dioxide Solid UV absorption Thionine UV absorption Copper sulfate UV absorption Naphthalene en pyrene UV absorption UV Absorption of Naphthalene and Benzene UV absorption of carbon black Carbon black UV absorption UV absorption of copper Inorganic ion UV absorption Cuprous UV absorption UV determination constant UV absorption coefficient Benzene Standard UV Benzoic acid UV How to measure UV with few samples UV absorbance range Solid UV Absorber UV Absorption Prediction Abnormal baseline of UV absorption spectrum Sodium Benzoate UV Peak Diesel UV absorption peak Urea UV absorption peak UV test reagent Does Guanidine Absorb UV? UV absorption spectrum of formic acid Secondary Array UV Detector Ultraviolet Absorption of Ferrous Sulfate Water absorbs UV rays Iron compounds UV absorbing Substance UV absorption heavy metal UV absorption UV absorption constant UV measurement is different each time Liquid UV absorber Solid UV absorbing edge Cobalt ion UV absorption peak UV absorption level UV background absorption Formaldehyde UV absorption UV absorption of carbon materials UV Absorption Reflection and Absorption Silica UV absorption peak UV absorption cuvette Requirements for UV Absorption Sample Preparation UV inhalation Chloroform UV absorption Sodium ion UV absorption Disulfiram UV absorption carbon tetrachloride UV absorption Copper UV absorption UV absorption of hydrochloric acid UV absorption c UV + benzoic acid What instrument is used for ultraviolet absorption UV Atomic Absorption Assay UV absorption intensity mn UV absorption peak Acetone UV absorption peak Nitrogen UV absorption peak Formic acid absorption peak Chloroform UV absorption peak Iron UV absorption peak UV aging of textiles The area of the UV absorption peak Benzoic acid UV measurement Ultraviolet Determination Method of Benzoic Acid Chloroform UV absorption peak Gel UV absorption peak Copper ion UV absorption peak Silver UV absorption peak UV absorption peak saturation UV zinc reagent UV test classification UV sample volume Does lanthanum absorb UV rays? UV items UV absorption of aniline bromoacetic acid UV absorption Graphene UV absorption Copper UV absorption Hydrochloric acid UV absorption UV formic acid Toluene for UV Toluene UV Absorption UV Silver absorbs UV light How to measure UV absorption peak Urea UV absorbance The UV absorption peak of acetone Copper ion UV absorption peak UV absorption pool classification Ionic UV absorption High UV absorption Formic acid UV absorption Aluminum alloy UV absorption Urea UV absorption Iron UV absorption Lipid UV absorption peak UV absorption Lipid UV absorption Pyrene base UV absorption UV absorption of heavy metals UV absorption tester UV absorbance over 1 Phosphoric acid UV absorption peak The UV absorption peak of copper sulfate Does Bromine Absorb UV? UV glue brand Iodine UV absorption UV absorption of formic acid UV absorbance factor UV absorbance UV benzoic acid UV absorption equipment UV Sample Duplication Titanium dioxide UV absorption Boric acid UV absorption Absorption maximum in UV Benzyl Alcohol UV Formaldehyde UV UV absorption Reduced UV absorption Method for Determining Absorption Edge by UV Absorption The UV absorption peak of ammonia water Quartz UV absorption peak UV absorbing extraction solvent UV-absorbing extraction solvent Salt UV absorption UV absorber absorption spectrum Infrared Ultraviolet Atomic Absorption Metal UV absorption Sulfuric acid UV absorption Chloroform UV absorption UV absorption of salt Pigment UV absorption Alumina UV absorption liquid UV absorber Absorption by UV Quartz Absorbance Range for UV Determination UV absorption peak of hcl Benzene UV absorption peak UV absorption peaks of manganese ions UV absorption peak of carbon Anti-ultraviolet agent UV Spectrum Classification UV absorbing sample UV absorption capacity Fenifphos UV Formaldehyde UV absorption Particle Size UV Absorption UV absorption of urea Solution UV absorption iso textile uv Aniline Detection UV UV absorption peak of hydrochloric acid solution UV maximum absorption peak UV food Selection of Solvents for UV Determination UV telemetry Ketone absorption peak Requirements for UV absorption Determination of total phosphorus by ultraviolet absorption Solid UV secondary absorption UV absorption peak intensity Test for UV Absorption heavy metal UV absorption Infrared absorption peak ketone Classification of UV detectors UV Absorption Classification UV Absorption Peaks of Inorganic Anions n2 UV Absorption Spectrum UV absorption of substances UV Absorption of Aluminum Oxide UV absorption spectrum absorption edge hcl UV absorption UV absorption Overall UV Absorption Affects UV absorbance nUV absorption UV absorption conjugation effect Iron UV absorption peak Ammonium ion UV absorption Concentration of UV absorption Molecules absorb UV light How to measure UV absorption Solvent for UV measurement UV test solvent Classification of UV tests UV Spectroscopy and UV Absorption UV ionized benzene UV absorption peak unit Carbon dioxide UV absorption peak UV Absorbing Coatings Benzene UV Content of UV benzoic acid UV Absorption Quantitative Method Water UV absorption peak How to measure the absorption peak of ultraviolet UV absorption peaks are covered related to UV absorption Tin UV absorption peak How many UV samples are measured Affect UV absorption Solvent for UV measurement Copper sulfate UV absorption peak The UV absorption peak of ferric chloride Acetic acid UV absorption peak UV absorber GBT39109 GB/T 39109-2020 Methanol UV absorption Sodium ion UV absorption peak Requirements for UV absorbing samples Benzoic acid UV absorption spectrum Benzophenone UV absorber UV UV absorber BP3 UV absorber UV9 Dissolution UV absorbance requirements Trichloroacetic acid UV absorption Principle of UV differential absorption method Is toluene absorbed in the liquid? Chromium UV absorption light detection absorption range UV absorption sample preparation UV absorption peak shoulder UV absorption peak UV absorption concentration measurement UV absorption principle Organized detection of xylene UV absorber test method Nitrobenzene UV standard curve Determination of UV absorbers Determination method of toluene in water using UV method Malonic acid determination method UV Determination of UV absorbers International UV determination of food related ketones Organized monitoring methods for xylene UV absorption standard curve test test times Specific methods for measuring UV absorption UV absorber UV method for measuring total flavonoids UV maximum absorption peak standard curve UV absorber test method Phenol/Water UV Standard Curve UV oil test reagent gb/t 39109-2020

《GB/T 39109-2020纺织品二苯甲酮类紫外线吸收剂的测定》由TC209（全国纺织品标准化技术委员会）归口，TC209SC1（全国纺织品标准化技术委员会基础标准分会）执行，主管部门为中国纺织工业联合会。

Introduction

Analysis of the core content of the standard

This standard establishes a standardized method for the determination of 11 benzophenone ultraviolet absorbers in textiles using High Performance Liquid Chromatography-Diode Array Detector (HPLC-DAD). The detection range covers all kinds of textile products, the method determination limit is 10mg/kg, and the precision requirement is a relative standard deviation of ≤10%.

Comparison of key technical parameters

Dimension	GB/T 39109-2020	International similar standards	Conventional methods in the industry
Detector type	Diode array detector	Mass spectrometer detector	Ultraviolet detector
Pretreatment method	Methanol ultrasonic extraction	Accelerated solvent extraction	Soxhlet extraction
Chromatographic column type	Hydrophilic C8 column	C18 column	Silica gel column

Key points for implementation of the method

Typical application case

When a sportswear company used this standard to detect the content of 2-hydroxy-4-methoxybenzophenone in sunscreen clothing, the following critical control points were found:

The extraction temperature needs to be strictly controlled at 60±1℃
The proportion of mobile phase B needs to be accurately adjusted to 80% at 42min in the gradient elution program
The retention time of 2,3,4-trihydroxybenzophenone at a wavelength of 310nm should be 16.129min

Standard Evolution Analysis

Compared with the 2009 version, this standard has the following major technical breakthroughs:

The number of test substances has been expanded from 6 to 11, with the addition of new ultraviolet absorbers such as 5-chloro-2-hydroxybenzophenone
The multi-wavelength synchronous detection technology (258/280/310nm) is used to improve the method specificity
The mobile phase formula (methanol-isopropanol-formic acid system) is optimized to improve the peak shape

Implementation suggestions

Special attention should be paid to laboratory operations:

The standard stock solution should be stored at 4℃ in the dark and is valid for 3 months
The sample should be cut into 5mm×5mm pieces to ensure the extraction efficiency
It is recommended to add a blank control and a spike recovery experiment to each batch of tests

More samples: JJG 21-2008 JGJ 94-2008 NB/T 47013.2-2015

Sample only — not a preview of GB/T 39109-2020

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