QB/T 4235-2011 in English

VALID

4-Hydroxy-2|| 5-dimethyl-3 (2H)-furanone

Issued on:2011-12-20
Implemented on:2012-04-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $160.00
$156.00

Standard No:	QB/T 4235-2011
Document status:	VALID
Title in English:	4-Hydroxy-2\|\| 5-dimethyl-3 (2H)-furanone
Title in Chinese:	4-Hydroxy-2,5-dimethyl-3(2H)-furanone
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2011-12-20
Implemented on:	2012-04-01
Professional Classification:	QB-Light Industry
Related Keywords:	-furanone scopethis standard -furanone main raw materials test methods inspection rules
Related Topics:	hydroxyl peak hydroxyl Hydroxyhexanedione Hydroxyl Peak of Water Furutrione Furan GC-MS Carbon hydroxyl Furan Carbon hydroxyl Infrared Keto Hydroxytungsten hydroxyl basic Hydroxy and Alkyne Keto IR Keto infrared Hydroxy and Alkynyl Hydroxycobalt Hydroxymethyl carboxyl Titanium hydroxysilanol qb/t1792-2011 Keto+IR Hydroxyl peak Hydroxy+ Hydroxymethyl iodide method Hydroxyl Valence Hydroxyalkynyl Furanhydrazine bs 4235 Titanium Hydroxide Hydroxyl peak type Dimethyl Hydroxy Characterization Hydroxy isothermal hydroxyl Nitrofuran Hydroxymethyl is replaced by bromine Hydroxyl peak position Hydroxymethyltetrahydrofuran Hydroxyfurfural Hydroxychalcone Hydroxymethylation detection Hydroxymethyl methyl infrared furan methylation Silicon in Hydroxyl Hydroxyl Hydroxymethylation detection Dimethyl tellurium Hydroxy Palladium Carbon Four types of nitrofurans Keto infrared Carboxylic hydroxyl gem dimethyl Nitrofuranase Dimethyl peak Titanium + hydroxyl gem dimethyl Ester Keto Furan UV Hydroxyketone Dehydration Hydroxymethylation and Methylation Difuranones Ketone hb-2h hydroxyl carbon water + hydroxyl peak aminoketone Furandione furandiones furandiones hb 2h Aldehyde Keto Dimethylhydroxylamine QB/T4199-2011 hydroxyl value Mercaptofuran oxidation The bromomethyl group is replaced by a hydroxyl group Furazolidone in methanol dimethyltetrahydrofuran Dimethyltetrahydrofuran mass Furanone industry qb/t 26516-2011 qb/t1918-2011

Scope

This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation, storage and shelf life of 4-hydroxy-2,5-dimethyl-3(2H)-furanone. This standard is applicable to the analysis and evaluation of the quality of 4-hydroxy-2,5-dimethyl-3(2H)-furanone produced by chemical reaction using ethyl lactate, 1,2-propanediol, etc. as the main raw materials.

More samples: YD/T 3934-2021 JC/T 2453-2018 DL/T 5154-2012

Sample only — not a preview of QB/T 4235-2011