QB/T 2334-1997 in English

VALID

Method for the Qualitative Determination of Ultraviolet Absorbents in Cosmetics - Ultraviolet Spectrophotometry

Issued on:1997-12-04
Implemented on:1998-08-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $30.00
$30.00

Standard No:	QB/T 2334-1997
Document status:	VALID
Title in English:	Method for the Qualitative Determination of Ultraviolet Absorbents in Cosmetics - Ultraviolet Spectrophotometry
Title in Chinese:	化妆品中紫外线吸收剂定性测定紫外分光光度计法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1997-12-04
Implemented on:	1998-08-01
Chinese Classification:	Y42-Cosmetics
Professional Classification:	QB-Light Industry
Related Keywords:	qualitative determination method ultraviolet absorbents qualitative determination ultraviolet spectrophotometry scopethis standard ultraviolet absorbers
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UV Photometry of Crude Oil UV photometer uv Sample preparation for UV spectroscopy Sample preparation for UV spectroscopy l5 operating procedures for ultraviolet spectrophotometer UV absorption band UV spectrum characteristics UV spectrum characteristics UV test concentration UV absorption concentration Sulfur Dioxide UV Spectrophotometry Sample preparation for UV spectroscopy Water UV detection boric acid UV spectrophotometry UV alkalinity UV sample concentration Rhodamine UV spectrophotometry Rhodamine UV spectrophotometry UV spectrophotometric phenol UV absorption peak of carbon dioxide Gold ion UV absorption peak Boric Acid UV Spectrophotometer UV graduated meter Principle of UV Spectroscopy UV receiver UV Spectrophotometer Arsenic Alkyne UV absorption od+ UV Measurement of solid ultraviolet for solid samplesUV UV absorption spectrum range UV Tungsten UV Curve Analysis UV absorption analysis UV absorbance is too small UV traditional Chinese medicine UV spectrophotometry B ge UV detection ultra-trace ultraviolet absorption method Determination of water quality and petroleum by ultraviolet spectrophotometry UV spectrometric titration Measure UV Determination of Total Phenols in Water by Ultraviolet Spectrometry Determination of UV data for oil in water Qualitative Basis of UV Spectrophotometer UV light UV Molecular Spectroscopy UV absorption instrument Confirmation of UV absorbance Sample UV absorption UV detection application Imported UV Determination of petroleum in water UV How to make samples with UV spectrophotometer UV spectrophotometer sample preparation In a spectrophotometer Determination of Fruit Juice by Ultraviolet Spectrophotometry Juice by UV Spectrophotometry UV hcl How to detect UV light UV band Accuracy of UV method Chromium content UV spectrophotometry UV measurement of turbidity Accuracy of UV method Determination of Turbidity by UV Spectrophotometer UV accuracy Spectrophotometer and Titration UV Spectrophotometry for Petroleum in Water UV standard addition method Determination of Total Phenols by Ultraviolet Spectrophotometry UV absorption peak of gold solution UV miscellaneous peaks Cadmium by UV Spectrometry Ultraviolet efficient luminescence UV sample volume UV Test Baseline UV Spectrum of Water Conjugation Effect UV Absorption UV absorption of boric acid UV light source parameters Calculation of UV Absorption Peak Test Solid UV UV precision test UV indexer UV adjustable light source Spectrophotometer measuring water UV hcl UV light source parameters Total Nitrogen by UV Spectrophotometry UV absorption humidity UV spectrum of water UV photometer fluorescence Formaldehyde UV spectrum UV spectrometer UV color development UV color UV precision experiment Nickel's UV Absorption UV spectrophotometer for heavy metals stray light ultraviolet UV 3D UV Spectrophotometer Qualitative UV Concentration Application UV absorption spectroscopy is mainly used for UV measurement of turbidity UV measurement n UV content Standard Curve Method UV Analysis Ultraviolet Spectrophotometric Content Determination Method UV derivatization UV absorption conditions Principle of UV Determination of Lithium Determination Principle of UV Spectroscopy Measurement Principle of UV Spectroscopy Principle of UV Lithium Determination UV Spectrophotometer and UV Spectroscopy Enhanced UV absorption UV absorption spectrum sample requirements UV spectrum generation Tannin UV absorbing UV test gap Determination of aluminum content with ultraviolet light Petroleum UV Curve UV aging instrument Determination of oil in water by ultraviolet method The UV absorbable spectrum is given by Calibration of UV Spectrophotometer UV spectrophotometer and general UV Photometer Calibration Method UV Spectrophotometry Orange UV Photometer Procedures Sodium chloride content by ultraviolet spectrometry UV Spectroscopic Uncertainty Petroleum - UV Spectrophotometry Determination method of ultraviolet photometer UV-Vis spectrophotometric assay Oil UV Spectroscopy UV spectrophotometer and UV generator aging Wavelength UV Photometer UV Dual Wavelength Spectrophotometer Determination of Total Phenol Content by Ultraviolet Absorption Spectroscopy UV Molecular Spectroscopy UV Spectrum Absorption Spectrum UV absorption instrument UV absorption UV spectrophotometer and UV UV Photometric Accuracy UV spectrophotometer sample preparation UV laser industry UV laser application Selection of Solvents for UV Determination Determination of fruit by ultraviolet spectrophotometry UV spectrum ions UV Spectrophotometry Concentration How to observe UV laser Large UV Spectrophotometer Field UV Spectrophotometer UV-Vis Spectrophotometer UV Mechanism UV Cube UV Spectrum Absorption Coefficient UV Spectral Properties UV Spectroscopy Applications UV laser wavelength Operating Instructions for UV Spectrophotometer Chromium ion detection UV spectrophotometry Water Quality Determination of Hexavalent Chromium by Ultraviolet Spectrophotometry Antibiotic UV quantification UV absorption produces Photochromic UV UV absorption coefficient UV Qualitative Analysis How to analyze by UV spectrophotometer UV laser light source How to calibrate the UV spectrophotometer UV Spectroscopy Molecules UV kk UV app UV and XPS UV pu UV nonlinear optics Operating Instructions for UV Photometer UV Spectrophotometer Regulations UV laser output toc UV method Determination of Cadmium in Soil by Ultraviolet Spectrophotometry Ultraviolet Absorption Spectrophotometry Content Determination Method UV Molecular Light Cuvette UV Spectrophotometer Determination of oil in water-UV spectrophotometer UV spectrophotometer Environment for UV Spectrophotometer UV measurement data UV spectrophotometric content Determination of Content in Water by Ultraviolet Spectrophotometry The UV spectrum is messy Cuvettes for UV Spectrophotometers Water+UV+ Absorption Spectrum Pigment UV Absorption Spectrum Determination of UV requirements for samples Colorimetry with UV spectrophotometer Pigment UV Absorption Spectrum Absorption in the UV spectrum UV detector absorption UV Photometer Solid UV Spectroscopic Qualitative Analysis UV + absorption curve UV+ Curve Determination of Petroleum by Ultraviolet Spectrophotometry UV spectroscopic petroleum Substances in the UV region In the UV absorption spectrum of the compound UV spectrophotometer test ultraviolet stray light How to operate the UV spectrophotometer UV TLC UV silicon photocell Cadmium Ion UV Spectrophotometry UV spectrophotometry UV Spectrophotometer Operation Two-component for UV determination No peak in UV measurement Atomic Absorption Spectrophotometer and UV Spectroscopy External standard method + UV + Determination of content by ultraviolet spectrophotometer UV spectrophotometer content Is an atomic absorption spectrophotometer the same as a UV spectrophotometer? 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National standard UV absorbance Lithium detection method UV spectrophotometry UV spectrophotometry methodology validation UV qualitative and quantitative scoring Determination method of potassium in water UV spectroscopy UV spectrophotometer content determination method Malonic acid determination method UV UV absorbance method validation UV spectrophotometer transmittance Standard data for UV spectrophotometry Method for determination of threonine concentration using UV spectrophotometer UV resistance test Common identification methods for UV absorption spectroscopy Standard UV absorption spectrum of ibuprofen Determination of aluminum in water UV determination method UV spectrophotometer classification UV spectroscopy quantitative analysis method UV fiber transmission characteristics test Determination of UV absorbers International UV mapping method Disadvantages of UV spectrophotometry method UV absorption spectrometry water quality Absorbance standard curve to calculate content Total nitrogen UV spectrometric measurement method Determination of UV spectroscopy in fat Spectrophotometer standard curve absorbance requirements UV industry UV determination of food related UV resistance standard curve UV instrument absorption cell pairing method UV intensity test method UV spectrophotometry UV spectrophotometer output data method Medical device testing UV absorbance UV Spectroscopy Sample Preparation Method Fluoride UV standard curve UV spectrophotometer test UV spectrophotometry standard curve Qualitative identification method using UV spectroscopy UV spectrophotometer calculation method UV dissolution method recovery rate UV spectrophotometer standard curve drawing UV spectrophotometer method detection limit Test UV Method Cisplatin UV determination method Optical cable UV protection UV spectrophotometer trivalent chromium National testing of UV spectrophotometer UV-visible spectrophotometer standard absorption cell Method for measuring uranium concentration using ultraviolet spectrophotometer UV oil measurement method UV absorption standard curve test test times Ultraviolet intensity detection method and time Specific methods for measuring UV absorption Calculation of UV content standard curve Cobalt UV spectrophotometric detection method UV absorber UV standard curve absorbance range UV spectrophotometer method validation National Metrology of UV Spectrophotometer UV spectrophotometry methodology validation limits Taurine UV determination method National standards related to UV spectrophotometer UV content standard curve method UV aging meter measurement UV absorbance kinetics test method Disadvantages of UV analysis methods Characteristics of UV analysis methods Accuracy of UV Analysis Methods Cosmetic fluorescent agent UV photometer test standards UV photometer testing standards UV maximum absorption peak standard curve UV mutagenesis method UV absorbance detection UV absorber test method qb/t 2298-1997 Absorbance calculation method Confirmation of specificity by UV method How to test pharmaceuticals using ultraviolet light UV sample concentration requirements Hydrolytic Stability UV Test UV spectrophotometry to establish standard curve UV spiking method Universal UV colorimetry test UV spectrophotometric standard curve UV absorption quantitative analysis method The standard curve method is UV Solvent for making standard curve using UV spectroscopy UV oil test reagent Qualitative analysis method of UV absorption spectroscopy UV absorbance method creation Methods for testing UV intensity UV Analysis Method Development UV concentration measurement Definition and calculation method of absorbance UV spectroscopy identification method UV spectrophotometer execution UV standard curve linearity requirements qb/t 2334-1997 Identification by UV spectrophotometry UV spectrophotometry method error UV absorbance standard source UV absorption cell matching test method UV absorbance measurement standard curve UV intensity detection method UV absorbance standard solution qb/t 2290-1997

本标准规定了化妆品中紫外线吸收剂的定性测定方法。
本标准适用于化妆品中紫外线吸收剂的定性测定。
本标准不适用于化妆品中非紫外线吸收剂的定性测定。
本方法的最低检测浓度为1.5 ×10ˉ6

Scope

This standard specifies the qualitative determination method for ultraviolet absorbers in cosmetics. This standard is applicable to the qualitative determination of UV absorbers in cosmetics. This standard is not applicable to the qualitative determination of non-UV absorbers in cosmetics. The minimum detection concentration of this method is 1.5 X 1 0-6

More samples: JGJ 94-2008 GB 18306-2015 DL/T 5154-2012

Sample only — not a preview of QB/T 2334-1997

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