WS/T 49-1996 in English

VALID

Urine—Determination of phenol—Gas chromatographic method-Ⅰ—Liquid crystal column

Issued on:1996-10-14
Implemented on:1997-05-01
File Format:PDF
Delivery:Via email within 1~3 business days

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$146.00

Standard No:	WS/T 49-1996
Document status:	VALID
Title in English:	Urine—Determination of phenol—Gas chromatographic method-Ⅰ—Liquid crystal column
Title in Chinese:	尿中苯酚的气相色谱测定方法 (一) 液晶柱法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1996-10-14
Implemented on:	1997-05-01
Chinese Classification:	C04-Basic standards and general methods
Professional Classification:	WS-Hygiene
Related Keywords:	chromatographic method-ⅰ liquid crystal column scopethis standard chromatographic determination method crystal column method urine determination phenol gas
Related Topics:	urine chromatography phenol Vapor phase phenol Phenol colorimetry Phenol Gas Chromatography Gas Chromatography Columns column method Liquid Chromatography Benzene Method Phenol Test Method Liquid Phase Phenol Test Method Liquid Phase Liquid phase pre-column Gas Chromatograph Detector urine chromatography Method for Determination of Benzene in Exhaled Breath Phenol chromatography Phenol Gas Chromatography Analysis Method ws/t70-1996 liquid crystal Determination of Aniline in Water by Gas Chromatography Gas Chromatography Column Mesh column method Gas Chromatograph Detector Phenol gas phase ws/t20-1996 internal standard peak height Chromatographic column for liquid phase l1 Phenol Gas Chromatography gas color Liquid column peak LC column peak Air benzene colorimetric method Pre-column liquid chromatography Benzene gas phase detection method Normal Phase Chromatography Columns ws/t51-1996 ws/t76-1996 Determination of Cresol by Liquid Chromatography Urine State-of-the-art liquid chromatography Gas Chromatography and Gas Chromatography Columns urine gas chromatography mass spectrometry Liquid Chromatography Column Phenol concentration Determination of phenol by gc method Phenol concentration ws/t67-1996 Method column Liquid phase pre-column Phenol detection method in water Benzene detection method in water The origin of column chromatography Determination of Res-phenol by Gas Chromatography The color of phenol Column method ws/t59-1996 What are the general gas chromatography columns? Liquid phase t3 column Vapor Phase Polyphenols t3 liquid chromatography column Phenol detection method Gas-liquid phase detection method t3 liquid phase column Phenol detection method Gas chromatography column method Urine Phenol Gas Chromatography Phenol detection method Determination method of total phenols in water ws/t93-1996 Determination method of phenol in water Column Chromatography Loading Method A gas chromatography system consists of: standard curve line ws/t30-1996 Normal Phase GC Columns Phenol Gas Chromatography urine gas chromatography mass spectrometry Fast Liquid Chromatography Column phenol gas chromatography ffap Phenol gas phase Phenol gas phase liquid phase ws/t60-1996 Determination method of phenol in water Gas Chromatography Gas Chromatography Determination Method GC Column Frontier Peak Detection of Phenol by Gas Chromatography Benzene gas phase detection method Phenol gas phase column Phenol Chromatography What is the general temperature of the gas phase column box ws/t53-1996 g7 gas chromatography column ws/t66-1996 ws/t39-1996 Gas phase determination method of phenol Gas phase determination method urine gas chromatography mass spectrometry urine gas chromatography Determination method of total phenols in water Gas Chromatography Precolumn Method Liquid Peak Determination of Homologues of Benzene by Gas Chromatography Liquid phase pre-column cartridge Liquid column method Other GC Columns Other LC Columns Gas Chromatography Dual Column Sample loading method for column chromatography Liquid column peak type a column LC column peak Liquid phase pre-column Junxin Gas Chromatography Column gas color LC pre-column cleaning The first solvent peak in liquid chromatography Liquid phase pre-column core action Gas chromatography column 60 degrees Quaternary liquid chromatography column LC Column + Peak Determination method of benzene series in water Columns for liquid chromatography Gas Chromatography Dual Column urinalysis results LC column method Liquid chromatography peaks in one minute Gas Chromatography Normal Phase Columns Liquid phase l7 chromatographic column Gas Chromatography Electrolyte e5 gas chromatography column c1 liquid chromatography column New Gas Chromatography Columns gas spectrometry Chromatographic mixture Gas phase determination method of benzene series Gas phase double column Column Chromatography Medium Column Laboratory Liquid Chromatography Column Sample Preparation Liquid Chromatography Column boiling point chromatographic peak Chromatographic Qualitative Methods method in liquid phase Composition of Gas Chromatography Columns liquid phase with an inverted peak Liquid phase precolumn action Methods of testing urine urine testing method Liquid Chromatography Column 10 Liquid Chromatography Column 1 Liquid chromatography column l1 Premium GC Columns Column organic phase What are the methods for the determination of phenol Phenols liquid phase peak Five types of liquid chromatography columns Liquid chromatography column l7 Other LC Columns Series of liquid chromatography columns Chromatographic column liquid phase l1 long-term liquid chromatography Liquid phase detection method of benzene gas or liquid chromatography Benzene liquid phase detection method Pre-column liquid chromatography urine detection method Vapor phase phenol Urine gas chromatography mass spectrometry Phenol colorimetry Urine gas chromatography mass spectrometry urine testing method Gas Chromatography Determination Method Liquid phase column Column Oven for Gas Chromatography Column in liquid phase method Cartridge Liquid How long is the liquid chromatography column Urine Gas Chromatography urine method urine gas chromatography urine gas chromatography mass spectrometry urine Total Nitrogen Determination Method Gas Chromatography Determination method of benzene series by gas chromatography Phenol Gas Chromatography Analysis How long is the gas chromatography column Phenol Gas Chromatography Crystalline amorphous phase Bonds and Phases of Liquid Chromatography Columns Liquid phase c8 column Liquid Chromatography Column Chromatography Column Phenolsulfonic acid liquid chromatography Benzene and Naphthalene Liquid Chromatography Liquid Chromatography Amino Column column chromatography-like method Chromatographic phenol Chromatographic phenol Phenol GC + Peak Phenols GC + Peak Column action in liquid phase Gas Chromatography Precolumn Chromatographic column The liquid chromatography peak of diphenol Gas Chromatography of Benzene Series in Air No peak in liquid phase column GC Column Argon l7 liquid chromatography column Fazhu How long is the gas chromatography column air peak in liquid phase GC column half peak Determination of Phenol Content in Water by Gas Chromatography benzopyridine liquid chromatography Diphenylamine liquid chromatography method Medium phenol Chromatographic two-phase one column a column LC column method Phenol discoloration LC column type Various LC Columns Chromatographic pre-column Liquid Chromatography Column Columns for liquid chromatography Liquid Chromatography Columns Aqueous phenol gas chromatography Gas Chromatography Column Chromatography Determination of Benzene Series in Air by Gas Chromatography c8 liquid chromatography column reversed phase column Determination of Benzene Series in Water by Gas Chromatography Column Chromatography Column Method urine stain Phenolic How long does a gas chromatographic column generally last? Liquid phase pre-cartridge Composition of Gas Chromatography Columns liquid phase method liquid phase Gas Chromatography and Gas Chromatography Columns LC column front peak Various series of liquid chromatography columns Abnormal urine gas chromatography mass spectrometry gas liquid chromatography gas LC pre-column Gas chromatography method Urine Test Method Benzene gas chromatography method GC method Liquid Chromatography Amino Column Polarity in column Shine a column Benzene gas chromatography The first gas chromatograph The difference between gas chromatography and liquid chromatography columns GC column does not heat up Gas Chromatography Column Classification GC column activation Gas Chromatography Column Conditioning Procedure Gas chromatography column film thickness Three parameters of gas chromatography column GC column life Gas Chromatography Column Oven Conditioning The difference between gas chromatography column and liquid chromatography column How to apply column fixative Liquid chromatography column 50mm and 250mm Bubbles entering liquid chromatography column LC column types Gas Chromatography Columns DB-1 and DB-WAX dbffap gas chromatography column polarity Column bubbles C16 column regeneration method Folin phenol colorimetric method for determination of total phenols What column is used for gas phase detection of benzene? Gas Chromatography Dual Column Dual Detector Principle Effect of gas chromatography column length on chromatographic peaks Gas Chromatography Column Polarity List Reasons why gas chromatography column temperature is unstable Air has entered the column The chromatographic column was left in the air overnight LC column dead time GC column polarity ov gas chromatography column Does it need to be vented when replacing a chromatographic column? Phenol liquid chromatography detection method Gas chromatography column peak shift Gas Chromatography Column Temperature Selection liquid phase quantitative method Gas chromatography 5A column How to identify phenol GC column types Gas chromatography column temperature Reasons for the decrease in column efficiency of liquid chromatography columns Column flushing methods Commonly used quantitative methods for liquid chromatography include the following Liquid Chromatography Column Activation Methods Liquid Chromatography Column Regeneration Methods Artificial bezoar liquid chromatography column method Method for measuring column efficiency of reversed-phase liquid chromatography Chlorobenzene liquid phase detection method Liquid Chromatography Column Aging Methods Phenol colorimetric determination method Gas chromatography method for determination of benzene in exhaled breath Phenol gas phase detection method Gas chromatography detection method for p-fluorotoluene Fluorobenzene gas chromatography detection method Methods for aging chromatographic columns Gas Chromatography Column Regeneration Methods Column gradient flushing method Methods for Calculating Correction Factors for Liquid Chromatography Amino LC column Liquid Chromatography Column Method Conversion Formula Phenol gas phase method Determination method of thiophenol How to measure total phenols Urinalysis testing methods How to configure artificial urine Commonly used mobile phase degassing methods for liquid phases Liquid chromatography flow rate selection for phenol measurement Regeneration methods for reversed-phase chromatography columns Gas chromatography detection method of o-phenylphenol Briefly describe the method for determination of benzene and naphthalene by high performance liquid chromatography. Liquid phase method development Agilent column installation method The purpose and method of gas chromatography column color aging Normal phase chromatography column regeneration method Method characteristics and advantages of liquid chromatography Toluene column efficiency measurement method Liquid phase detection method of Bosein New temperament chromatographic column aging method Where is phenol in soil? How to select stationary solutions for gas chromatographs How to determine the liquid phase method A commonly used column chromatography method in laboratories is Urine staining method Gas chromatography Liquid phase flush column method setting Liquid Chromatography Method Database Chromatographic column quantitative analysis method How to switch from a long column to a short column Method for calculating the volume of the same cylinder for liquid chromatography columns Gas-related machine column punching method Vapor phase aging column method Determination method of water propanol liquid chromatography Tail-sweeping agent in liquid phase method Liquid chromatography double peak processing method How to store liquid chromatography columns Methods to prevent clogging of liquid chromatography systems Methods to improve gas chromatography separation selectivity and column efficiency Column loading method Column Evaluation Methods Chromatographic column efficiency testing method Methods for narrowing liquid phase peak width Phenol liquid phase detection method LC column particle size How to express column performance of chromatographic columns Liquid chromatography column overload treatment method How to express chromatographic column efficiency Validation of liquid chromatography column replacement method National standard determination method of phenol Column packing method Gas-liquid phase quantitative analysis method Liquid phase method peak broadening Phenol gas chromatography detection method How to flush a column How to regenerate a chromatographic column The qualification standard for liquid chromatography columns is National standard for detection method of phenol in water Three methods for measuring phenol Gas chromatograph liquid preparation method How to save gas chromatography data The significance of liquid phase qualitative and quantitative methods Stationary phase analysis methods for column chromatography How to determine the presence of bubbles in a chromatographic column Detection method of benzenesulfonic acid liquid chromatography Column flushing method Reversed-phase chromatography column regeneration method Gas Chromatography Standard Solution Preparation Determination method of nitrogen gas chromatography Column activation method How to store chromatography columns Shimadzu column installation method How to calculate the inner diameter of a chromatographic column Colorimetric method for determining selenium content in urine Gas Chromatography Column Acceptance Pentabromophenol liquid phase detection method Liquid chromatography methodology investigation content Column flushing method Chromatographic determination method of tetrabutylphenol formaldehyde Liquid chromatography period verification method Column backflush method Establishment of liquid phase method Method for determination of phenol concentration Method for detecting aniline by liquid chromatography Chromatographic column backflushing method Commonly used qualitative methods in gas chromatography Liquid Chromatography Method Converter Development of traditional Chinese medicine liquid phase method Chromatographic column passivation treatment method How to rinse liquid chromatography columns after use Method for determination of benzene series by portable gas chromatography Limit of quantitation for liquid phase methods How to replace a liquid chromatography column Advantages and Disadvantages of Liquid-Phase Methods and Liquid-Phase Methods Liquid crystal research methods Liquid chromatography column flushing method The role and method of liquid chromatography degassing How to determine chromatographic conditions Gel chromatography column regeneration method Long-term storage methods for chromatographic columns How to install a gas chromatography column Liquid chromatography column backwashing method What are the methods of packing columns for column chromatography? What are the methods for replacing chromatographic columns? Phloroglucinol staining method Chromatographic column quantitative analysis method Column aging methods Steps in establishing a liquid chromatography method Liquid Chromatography Column Performance Requirements ws/t80-1996 Method for measuring column efficiency How to test phenol Method for determining the national standard of phenol How to determine the chromatographic column method How to deal with chromatographic column aging Liquid Chromatography Methods Research Team Aniline liquid phase detection method Methods for Regenerating Reversed Phase Chromatography Columns Activation method of pentafluorophenyl column National standard for detection of chromatographic grade benzene Selection of appropriate methods for liquid chromatography HPLC column quality Vapor headspace phenol Phenol cost calculation method Liquid chromatography method for benzene series How to store reversed-phase chromatography columns How to store normal phase chromatography columns Determination method of phenol in waste gas How to identify phenol Principles of column chromatography Liquid chromatography column washing method setting Methods for analyzing mass spectra of benzene in air Standard solution addition method for gas chromatography Ammonia gas phase determination method Qualitative Identification Method of Phenol Liquid phase method for determination of phenols Liquid Phase Phenol and Alcohol Analysis Method Liquid Phase Phenol and Benzene Alcohol Analysis Method Method of introducing a large number of bubbles into the liquid phase Borneol chromatographic column method Liquid chromatography column acceptance

本标准规定了尿中苯酚的气相色谱测定方法 (一) 液晶柱法.
本法最低检测浓度为0.1mg/L.
本标准适用于正常人和接触苯及接触苯酚和甲酚工人尿中对、邻、间甲酚的测定.

Scope

This standard specifies the gas chromatographic determination method for urinary phenols (1) Liquid crystal column method. The minimum detection concentration of this method is 0.1 mg/L. This standard is applicable to the determination of p-, o- and m-cresol in the urine of normal people and workers exposed to benzene and workers exposed to phenol and cresol.

More samples: GB 50021-2001(2009) JJG 21-2008 YD/T 3934-2021

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