GB/T 27812-2011 (English Version) PDF

Standard No.: GB/T 27812-2011
Language: Chinese, Available in English version
Release Date: 2011
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 27812-2011

Scope: Warning—The strong acids and alkalis used in this standard are corrosive, so care should be taken when using them. When splashed on the body, rinse with plenty of water, avoid inhalation or contact with skin. This standard specifies the requirements, test methods, inspection rules, packaging, marking, transportation, storage and safety requirements for water treatment agent polyaminopolyether methylene phosphonic acid (PAPEMP). This standard applies to polyaminopolyether-based methylenephosphonic acid (PAPEMP) products synthesized from amino-terminated polyether, phosphorous acid or phosphorus trichloride, formaldehyde, etc. as raw materials. This product is mainly used as scale and corrosion inhibitor in industrial water treatment and as peroxide stabilizer and metal chelating agent in printing and dyeing industry.

GB/T 27812-2011 Referenced Document

GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
GB/T 602 Chemical reagent--Preparations of standard solutions for impurity
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
GB/T 6678 General principles for sampling chemical products
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

2011 GB/T 27812-2011 Water treatment chemicals.Polyamino polyether methylene phosphonate(PAPEMP)