HG/T 4255-2011 (English Version) PDF

Scope: Warning—Personnel using this standard should have practical experience in regular laboratory work. This standard does not address all possible safety issues. Users are responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national regulations. This standard specifies the requirements, sampling, test methods, inspection rules, and marking, labeling, packaging, transportation and storage of N-ethyl-N-sulfonate benzylaniline products. This standard is applicable to the product quality control of N-ethyl-N-sulfonic acid benzyl aniline, and also applies to the product quality control of N-ethyl-N-(3'-sulfonic acid benzyl) aniline. Structural formula: Molecular formula: CHN0S Relative molecular mass: 291.37 (according to the 2007 international relative atomic mass)

HG/T 4255-2011 Referenced Document

GB/T 2386-2006 Dyestuffs and intermediate of dyes.Determination of moisture
GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
GB/T 6678-2003 General principles for sampling chemical products
GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values