T/BYXT 118-2024 Active Group standards

T/BYXT 118-2024 Organic fertilizer additive containing rare earth mineral zeolite powder

Publish Date: 2024-10-21 Implement Date: 2024-11-01 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/BYXT 118-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Fertilizers and soil conditioners

ICS Name: Fertilizer

Publish Date: 2024-10-21

Implement Date: 2024-11-01

Scope

Scope: This document specifies the terminology definitions, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and sales and service requirements for zeolite powder containing rare earth minerals. This document is applicable to zeolite powder containing rare earth minerals prepared from natural clinoptilolite as raw material; Main technical content: Physical and chemical indicators. The product shall comply with the requirements of Table 1: Table 1 Item Indicators Superior Grade First Grade Pass Ammonia Absorption Value (mmol/100g)/(%) ≥ 100.0 ≥ 90.0 ≥ 80.0 Water Content (HO2)/(%) ≤ 8.0 ≤ 12.0 Fineness (mesh) ≥ 350 ≥ 300 ≥ 200 pH (1:250 water solution) 7–9 Main mineral components Silicon (as SiO2)/(%) ≥ 60 ≥ 55 ≥ 50 Calcium (as CaO)/(%) ≥ 32.5 ≥ 25.0 ≥ 10.0 Potassium (as K2O)/(%) ≥ Total Rare Earth (REO)/(%) ≥ 10 97 Heavy Metal Limit Mercury (Hg)/(mg/kg) ≤ 5 Arsenic (As)/(mg/kg) ≤ 2.0 Cadmium (Cd)/(mg/kg) ≤ 3.0 Lead (Pb)/(mg/kg) ≤ 5.0 Chromium (Cr)/(mg/kg) ≤ 5.0 a The content of zeolite is linearly related to the ammonia absorption value. According to industry practice, the zeolite content in the product is determined by measuring the ammonia absorption value. b The rare earth elements contained in the product are mainly lanthanum and cerium, and the total REO content is calculated.