GB/T 15818-1995 in English

SUPERSEDED

Testing method for biodegradability of anionic and nonionic surfactants

Issued on:1995-01-02
Implemented on:1996-08-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $100.00
$97.00

Standard No:	GB/T 15818-1995
Document status:	SUPERSEDED
Superseded by:	GB/T 15818-2006 Test method for biodegradability of surfactants
Superseded on:	2007-01-01
Title in English:	Testing method for biodegradability of anionic and nonionic surfactants
Title in Chinese:	阴离子和非离子表面活性剂生物降解度试验方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1995-01-02
Implemented on:	1996-08-01
ICS Classification:	71.100.40-Surface active agents
Chinese Classification:	G73-Surface active agent
Professional Classification:	GB-National Standard
Related Keywords:	anionic surfactants nonionic surfactants above-mentioned anionic surfactants nonionic surfactants scopethis standard nonionic surfactant varieties
Related Topics:	Anionic Surfactant Titration ion pair reagent Anionic Surfactants and Nonionic Surfactants anionic and nonionic Biodegradable Surfactant anion ion pair reagent pair Anionic and Nonionic Surfactants nonionic and anionic Ionic reagent How to use ion pair reagent Non-ion pair reagents Anionic Nonionic Surfactant Ionic cross section which ion pair reagent linear ion Nonionic Surfactants and Anionic Surfactants Are precursor ions the same as molecular ions? active agent ion pairing reagent concentration Anionic Surfactant vs Nonionic Surfactant ion mode ion Ion pair reagents in ion pair reagent Nonionic Surfactants and Anionic Surfactants Nonionic and Anionic Surfactants Anionic reagents Anionic surfactants and nonionic Use of Ion Pairing Reagents Nonionic Surfactants and Zwitterionic Surfactants Anionic Surfactant vs Nonionic Surfactant ion trap single ion nonionic surfactant Anionic vs. Nonionic Surfactants Anionic vs. Nonionic Ionic reagent concentration Anionic vs. Nonionic biological bromide ion Linear ionic hydrazine Ionic Palladium Surfactant anion iso Anionic Nonionic Molecular Ion Precursor How to use ions non-ionic anion anionic and cationic and nonionic Chloride ion surfactant ionic strength surface ionic reagents Non-ionic watch Deuterated phenanthrene parent ion product ion ion pairing reagent concentration Ionic Surfactants and Nonionic Surfactants non-ionic molecules component parent ion product ion bromide ion degradation Nonionic Anionic Surfactant Anionic Surfactants and Nonionic Surfactants Ion Pair Reagent Use nonlinear surface Ionic reagent peak nonionic surfactant anionic non-ionic density agent ionic way When to Use Ion Pairing Reagents anion pair reagent ion pair reagent Qualifier ion Concentration of ion pairing reagent ionic reagent UV polyacid anion daughter ions and m Anionic Nonionic standard curve line ionic and non-ionic state linear ion Biodegradation Fluoride ion agent Anionic and Nonionic Surfactants Anionic nonionic twice? anion ion surface ion ftir ion qualifier Precursor and Molecular Ions Quaternary ionic hydrazine, linear ionic hydrazine Anionic or nonionic surfactants Use of ionic reagents Molecular parent ion Degree of ionic reagent Anionic reagents nonionic surfactants non-anionic active agent parent ion and product ion acidic nonionic daughter ion mode ion Anionic Nonionic Surfactant daughter ion mode anionic and non Nonionic Surfactant Counterion High frequency biological ion tank Ion mode: daughter ion mode Two approaches to nonionic surfactants Precursor Molecular Ion ionic surface Precursor ion maldi ionization method anionic non-anionic Molecular Ions and Precursor Ions ion trap organisms Ion Pair Reagent Use degree of ionization ionic way Ionic reagent peak Product ion m Molecular weight reducer Parent ion 115, product ion 79 Ion separation ion source ion trap ph degree of dissociation ion binding anionic solution The role of nonionic surfactants Anionic Surfactant Analysis Ionic reagent method of dissociation Biochemical instrument ion Anionic Surfactant Detection Surface Degradable Materials Nonionic Surfactant Analysis Mixture of two nonionic surfactants precursor ion Surfactant ion ion trap d Anionic, nonionic, amphoteric surfactants Linear Ion Trap Ions Chromium ion agent Surfactant Ion Chromatography How to detect nonionic surfactants? surface ionic potential surface ions non-ionic solid phase Ionic active agent Ionic hydration ionic surface potential Degradation test + peak purity Anionic graphite Cadmium anion ion-pairing reagents Solubility ion How to use ions non-ionic surface Nonionic Surfactants and Ionic Surfactants non-ionic surface cationic anionic nonionic Precursor Total Ion Map Zirconium ion activity cation anion ion Ion trap temperature biomolecular methods Nonionic Surfactant Anionic Surfactant Inorganic ion pair reagents ionic surfactant Ion size ionic and nonionic cross-sectional ion ionic method Molecular ion peaks and precursor ion peaks ionic surfactant parent ion product ion Hafnium-containing anions How to Identify Precursor Ions and Product Ions Anionic Surfactant Detection Method Surfactant chloride ion Cyanide electrolysis Precursor and Product Ions Qualitative Precursor and product ions of a substance mercury ion method Copper ion Nickel ion How to use ion test hplc+ion+molecule+peak non-ionic sample Product ion mode peak parent ion product ion parent ion product ion of edta GBT15818 GBT15818-1995 GB/T 15818-2006 GB/T 15818-2018 Surfactant Surfactants and Detergent Anionic Actives Mineral Dissociation ion Ion separation method Odd electron ions and even electron ions pcmx reacts with nonionic surfactants Degree of Dissociation Dissociation Constant Background Can iron ions enter anion ion chromatography? The difference between linear ion source and ion network source Anionic surfactant calibration curve Anion wax principle gb7494-1987 anionic surfactant OE ions and EE ions How to test copper ions Methods for analyzing the structure of ion channels Ionic surfactant product quality Separation and purification methods in the field of biomolecules Molecular biological reagents How to express positive ion cracking Ion source test Flow injection anionic surfactant method standard solution Liquid Phase Method Development of Ion Pairing Reagent Concentrations What are the detection methods for nonionic surfactants? Methods for testing non-ionic surface activity Thunder magnetic ion measurement method for lead ions Determination method of anionic surfactants in water quality Strong anion exchange column activation method Anionic surfactant standard curve Nonionic additives Bioactivity method validation Anion test in acetone How to test silver ions Industrial production ionic strength Imaging methods for metal ions in biological tissues Anionic surfactant quality standard curve Anionic cationic non-ionic safety standard National standard for anion concentration Non-ionic products Anion gap detection method Drink anion concentration Solutions to reduced separation Nonionic Dissociation degree calculation method Physical concave-convex surface centrifugal method gb15818 Ionization methods are hard ionization and soft ionization

《GB/T 15818-1995阴离子和非离子表面活性剂生物降解度试验方法》由TC272（全国表面活性剂和洗涤用品标准化技术委员会）归口，主管部门为中国轻工业联合会。

Scope

This standard specifies the test method for determining the degree of biodegradation of anionic surfactants and nonionic surfactants. The varieties of anionic surfactants applicable to this standard are: straight chain alkyl aryl sulfonate, branched chain alkyl aryl sulfonate, alkyl sulfonate, alkyl sulfate, ethoxylated alkyl sulfate , alkenyl sulfonate; nonionic surfactant varieties are: polyethoxylated alkylphenol, polyethoxylated fatty alcohol, polyethoxylated fatty acid ester, sorbitol fatty acid ester, fatty acyl Diethanolamine. This standard is also applicable to the determination of the biodegradability of the above-mentioned anionic surfactants and nonionic surfactants in detergents.

More samples: JGJ 94-2008 QC/T 942-2021 JC/T 2453-2018

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