T/CNRA 001-2020 Active Group standards

T/CNRA 001-2020 Specifications for Concentrated Natural Latex and Ammonia-Free Preserved Centrifugal Latex

T/CNRA 001-2020

Publish Date: 2020-09-01 Implement Date: 2020-12-01 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/CNRA 001-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Forestry chemical raw materials

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2020-09-01

Implement Date: 2020-12-01

Scope

Main technical content: This standard replaces T/CNRA 001-2019 "Specifications for Concentrated Natural Latex and Ammonia-Free Preserved Centrifugal Latex". Compared with T/CNRA 001-2019, the main technical changes are as follows: — Add HJ 535 "Water Quality - Determination of Ammonia Nitrogen - Nessler's Reagent Spectrophotometry" to the normative reference documents; — Add the item of ammonia nitrogen concentration (ρN) and its limit values, as well as the test method, to Table 1, and add selective permits to the table notes; — Add Appendix B.