T/LTQYXH 001-2021 Active Group standards

T/LTQYXH 001-2021 Tangshan rice group standard

Publish Date: 2021-03-03 Implement Date: 2021-03-03 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/LTQYXH 001-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Iron alloy

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2021-03-03

Implement Date: 2021-03-03

Scope

Main technical content: Physical and chemical requirements for rice: - Total broken rice ≤ 7.5%, with small broken rice ≤ 0.5%, processing precision as fine milling. - Chalky grain rate ≤ 20%, chalkiness ≤ 3%, amylose content 15–19%, viscosity ≥ 70 mm/s, moisture content ≤ 14.5% (winter ≤ 15.5%), unperfect grain content ≤ 4.0%, total impurities ≤ 0.25%, including mineral impurities ≤ 0.02%, yellow rice content ≤ 0.5%, and mixing rate ≤ 5.0%. Rice hygiene indicators: - Comply with GB 2715, GB 2761, GB 2763, and relevant national regulations. General inspection rules follow GB/T 5490. Rice variety requirements: - High-yielding japonica rice varieties suitable for planting in saline-alkali soils, approved by national or provincial agricultural departments, with a growth period of 160–175 days. - Seed quality meets GB 4404.1 standards, and the variety's quality traits should meet the GB/T 17891 requirements for high-quality japonica rice at grade II or higher. Tangshan rice is mainly produced from high-quality rice varieties such as Tianlong 619, Jindao 9618, Jinyuan-E28, and 7233.