T/CWA 301-2019 Active Group standards

T/CWA 301-2019 The method for testing the amount of root penetration resistance agent in asphalt-based waterproofing membrane

Publish Date: 2019-04-08 Implement Date: 2020-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CWA 301-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Roofing and paving waterproofing and moistureproof materials

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2019-04-08

Implement Date: 2020-08-01

Scope

Scope: This standard specifies the reagents and materials, instruments and equipment, samples, chromatographic conditions, test procedures, and test reports for the determination of root inhibitors in asphalt-based waterproofing membranes. This standard applies to the testing of single compound and polymer-based root inhibitors and their concentrations in GB/T 35468-2017. The test results of the root inhibitor content in the product are not applicable to determining the product's root penetration resistance. Main technical content: The main technical content includes: - Reagents and materials: methyl tert-butyl ether, methanol, ethanol, acetonitrile, acetone, phosphoric acid aqueous solution, etc. - Instruments and equipment: high-performance liquid chromatograph, analytical balance, ultrasonic water bath, rotary evaporator, graduated pipettes, etc. - Samples: Cut the specimens according to the provisions of GB/T 328.4. - Chromatographic conditions: - Test procedures: - Single compound root inhibitor test: principle, standard curve, sample preparation and testing, result calculation. - Polymer-based root inhibitor test: principle, standard curve, sample preparation and testing, result calculation. - Test report