Test methods of surfactants, catalog, Chinese national standards
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GB/T 5173 Surface active agents and detergents - Determination of anionic-active matter by direct two-phase titration procedure
GB/T 5174 Surface active agents - Detergents - Determination of cationic-active matter content
GB/T 5178 Surface active agents - Determination of mean relative molecular mass for technical straight-chain sodium alkylbenzenesulfonates - Gas-liquid chromatographic method
GB/T 5549 Surface active agents - Determination of surface tension by drawing up liquid films
GB/T 5550 Surface active agents - Determination of dispersing power
GB/T 5551 Surface active agents - Determination for total calcium ion and magnesium ion contents in dispersing agents
GB/T 5553 Surface active agents - Determination of water repellency of waterproofing agents
GB/T 5555 Surface active agents - Test method for acid stability
GB/T 5556 Surface active agents - Test method for alkaline stability
GB/T 5558 Surface active agents - Evaluation of wetting agents for mercerization
GB/T 5559 Non-ionic surface active agents obtained from ethylene oxide and ethylene oxide/propylene oxide block copolymers - Determination of cloud point
GB/T 5560 Nonionic surface active agents - Determination of polyethylene glycols and non-ionic active matter(adducts) - Weilbull method
GB/T 5561 Surface active agents - Determination of viscosity and flow properties using a rotational viscometer
GB/T 6365 Surface active agents - Determination of free alkalinity or free acidity - Titrimetric method
GB/T 6366 Surface active agents - Determination of mineral sulfate content - Titrimetric method
GB/T 6367 Surface active agents - Preparation of water with known calcium hardness
GB/T 6368 Surface active agents - Determination of pH of aqueous solution - Potentiometric method
GB/T 6369 Surface active agents - Determination of emulsifying power - Colorimetric method
GB/T 6370 Surface active agents - Anionic surface active agents - Determination of solubility in water
GB/T 6371 Surface active agents - Textile auxiliaries - Determination of detergency
GB/T 6372 Surface active agents and detergents - Methods of sample division
GB/T 6373 Surface active agents - Determination of apparent density
GB/T 7378 Surface active agents - Determination of alkalinity - Titrimetric method
GB/T 7381 Surface active agents - Determination of stability in hard water
GB/T 7383 Non-ionic surface active agents - Determination of hydroxyl value
GB/T 7385 Non-ionic surface active agents - Polyethoxylated derivatives - Iodometric determination of oxyethylene groups
GB/T 7462 Surface active agents - Measurement of foaming power - Modified Ross-miles method
GB/T 7463 Surface active agents - Determination of the power to disperse calcium soap – Acidimetric method (Modified Schoenfeldt method)
GB/T 7494 Water quality - Determination of anionic surfactants - Methylene blue spectrophotometric method
GB/T 8142 Methods of sampling lac products
GB/T 8143 Test methods of lac products
GB/T 8146 Test methods for rosin
GB/T 9104 Test methods for industrial stearic acids
GB/T 9290 Surface active agents - Technical ethoxylated fatty amines - Method of analysis
GB/T 9291 Surface active agents - Method of testing of the restraining effect of levelling agents for disperse dyes on dyeing polyester textile under high temperature conditions
GB/T 9292 Surface active agents - method of testing of the migration action of levelling agents for disperse dyes on dyeing polyester textiles under high temperature condition
GB/T 11275 Surface active agents - Determination of water content
GB/T 11276 Surface active agents - Determination of the critical micellization concentration
GB/T 11277 Surface active agents - Non-ionic surface active agents - Determination of cloud point index (water number) - Volumetric method
GB/T 11409 Test methods rubber antiagers and vulcanizing accelerators
GB/T 11543 Surface active agents - The identification of emulsion for moderate to high viscosity and the evaluation method of emulsifying capability
GB/T 11983 Surface active agents - Determination of wetting power by immersion
GB/T 11985 Surface active agents - Determination of interfacial tension - Drop volume method
GB/T 11986 Surface active agents - Powders and Granules - Measurement of the angle of repose
GB/T 11987 Surface active agent - Technical alkane sulphonates - Determination of total alkane sulphonates content
GB/T 11988 Surface active agents - Technical alkane sulfonates - Determination of mean relative molecular mass and content of the alkane monosulfonate
GB/T 11989 Anionic surface active agents - Determination of soluble matter content in light petroleum
GB/T 12005.1 Determination of limiting viscosity number of polyacrylamide
GB/T 12005.2 Determination of solid content of polyacrylamide
GB/T 12005.6 Determination of hydrolysis degree of partly hydrolysis polyacrylamide
GB/T 12005.7 Determination of particle size of powder polyacrylamide
GB/T 12005.8 Determination of dissolving velocity of powder polyacrylamide
GB/T 12005.10 Determination for molecular weight of polyacrylamide by viscometry
GB/T 12008.3 Plastics - Polyether polyols - Part 3: Determination of hydroxyl number
GB/T 12008.4 Plastics - Polyether polyols - Part 4: Determination of sodium and potassium
GB/T 12008.5 Plastics - Polyether polyols - Part 5：Determination of acidity as acid number
GB/T 12008.6 Plastics - Polyether polyols - Part 6: Determination of degree of unsaturation
GB/T 12008.7 Plastics - Polyether polyols - Part 7：Determination of viscosity
GB/T 13173 Surface active agents - Detergents - Testing methods
GB 13199 Water quality - Determination of anionic detergent - Potentiometric method
GB/T 13530 Test methods for sodium ethoxylated alkyl sulfate
GB/T 13892 Surface active agents - Determination of iodine value
GB/T 15357 Surface active agents and detergents - Determination of viscosity and flow properties of liquid products using a rotational viscometer
GB/T 15816 Determination of total silica content in detergents and soaps - Gravimetric method
GB/T 15817 Determination of mineral sulfate content in detergents - Gravimetric method
GB/T 15818 Test method for biodegradability of surfactants
GB/T 15916 Surface active agents - Determination of chelating agent content - Titrimetric method
GB/T 16497 Surface active agents - Determination of storage stability of water-in-oil emulsion
GB/T 17041 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of total active matter content
GB/T 17830 Determination of polyethylene glycol in polyethoxylated nonionic surfactants by HPLC
GB/T 17831 Non-ionic surface active agents - Determination of sulfated ash - Gravimetric method
GB/T 20198 Surface active agents - Detergents - Anionic-active matter hydrolyzable under alkaline conditions - Determination of hydrolyzable and non-hydrolyzable anionic-active matter
GB/T 20199 Surface active agents - Technical alkane sulfonates - Determination of alkane monosulfonates content by direct two-phase titration
GB/T 20365 Determination method for chondroitin sulfate and glucosamine hydrochloride - Liquid chromatography method
GB/T 21184 Rubber compounding ingredienets - Sulfenamide accelerators - Test methods
GB/T 22237 Surface active agents - Determination of surface tension
GB/T 22312 Plastics - Polyacrylamide - Determination for residual acrylamide
GB/T 23196 Determination of ferulic acid content in propolis - HPLC-UV method
GB/T 23322 Textiles - Determination of surfactant - Alkylphenol ethoxylates
GB/T 23323 Textiles - Determination of surfactant - Ethylene diamine tetra acetate and diethylene triamine penta acetate
GB/T 23324 Textiles - Determination of surfactant - Distearyl dimethyl ammonium chloride
GB/T 23325 Textiles - Determination of surfactant - Linear alkylbenzene sulfonates
GB/T 23405 Determination of sodium cyclamate in bee products - LC-MS/MS Method
GB/T 23972 Determination of alkylphenols and alkylphenol polyethoxylates in textile dyeing and finishing auxiliaries - LC/MS method
GB/T 24169 Determination of perfluorooctane sulfonates (PFOS) in the fluorine-containing products and consumer products - High performance liquid chromatography-tandem mass spectrometry
GB/T 24313 Determination of olefin in beeswax - Gas chromatographic-Mass spectrum method
GB/T 24692 Surface active agents - Detergents for domestic machine dishwashing - Guider for comparative testing of performance
GB/T 24773 Determination of purity for ursolic acid - High performance liquid chromatographic method
GB/Z 26083 Determination for Copper(II) octaalkoxyl-substituted phthalocyanine on graphite surface (scanning tunneling microscope) (Withdrawn)
GB/T 26388 Determination of dioxane residues in surfactants - Gas chromatographic method
GB/T 28191 Surface active agents - Detergents - Anionic active matter stable to acid hydrolysis - Determination of trace amounts
GB/T 28192 Surface active agents - Detergents - Determination of anionic-active matter hydrolyzable and non-hydrolyzable under acid conditions
GB/T 28193 Determination of chloroacetic acid(chloroacetate) contents in surfactants
GB/T 28722 Determination of iron and lead in amino acids - Atomic absorption spectrometry
GB/T 29492 Chemicals applied in digital printing materials - The determination of triazines B - Reversed phase high performance liquid chromatography
GB/T 31414 Water based coatings - Determination of surfactant - Alkylphenol polyethoxylates
GB/T 32470 Organic compounds in drinking water - Test methods of geosmin and 2-methylisoborneol
GB/T 33025 Evaluation method for adulterated oleoresin
GB/T 33028 Indentification of industrial salt adulterant in oleoresin
GB/T 33030 Indentification of starches adulterant in oleoresin
GB/T 33069 Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use
GB/T 33273 Textiles - Determination of triclosan residues
GB/T 33412 Determination of hydroxycitric acid in biochemical products - HPLC method
GB/T 33611 Textiles - Determination of short chain 4-(1,1,3,3-tetramethylbutyl)phenol ethoxylate
GB/T 35536 Examination methods of yeast extract powder
GB/T 35755 Surfactants and detergents -- determination of formaldehyde contents
GB/T 35862 Surface active agents -- Determination of volatile organic compounds residues -- Headspace gas chromatography-mass spectrometry (GC-MS)
GB/T 37505 Surface active agents -- Determination of quinoline content in dispersing agents
GB/T 38478 Determination of astaxanthin opticalisomers content -- Liquid chromatography
GB/T 38479 Determination of chitosan content -- High performance liquid chromatography
GB/T 38722 Surface active agents -- Determination of interfacial tension -- Drawing up liquid films
GB/T 38729 Surface active agents -- Test methods of technical sodium primary alkylsulphates
GB/T 38730 Determination of water dispersing power of surfactants in dry cleaning solvents
GB/T 38731 Surface active agents -- Test methods of technical sodium secondary alkylsulphates
GB/T 38732 Surface active agents -- Test methods of technical alkane sulfonates
GB/T 38790.1 Efficacy evaluation of bioactive peptides -- Part 1: General principles
GB/T 39100 Determination of antioxidant activity for polypeptides -- DPPH and ABTS methods
GB/T 39101 Determination of antimicrobial activity for polypeptides -- Inhibition zone method
GB/T 39689 Surface active agents -- Determination of free formaldehyde
GB/T 39995 Determination of sterols
GB/T 40173 Determination of reducing-end sugar in water-soluble chitosan -- Spectrophotometric method
GB/T 42238 Surface active agents -- Determination of free propylene oxide content in propylene oxide adduct surfactants -- GC method
GB/T 42303 Surface active agents -- Detergents for washing fabries -- Guide for comparative testing of performance
GB/T 42415 Surface active agents -- Determination of static interfacial tension