T/ZYNY 010-2023 Plant-based herbicide mixture
T/ZYNY 010-2023 Plant-based herbicide mixture
Basic Information
Scope
Scope: This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of plant-based herbicides. This standard applies to plant-based herbicides produced with walnut green peel extract as the main ingredient. Main technical content: 4. Quality requirements 4.1 Appearance: A brownish-yellow to brown homogeneous liquid with no obvious suspended matter or sediment. 4.2 Physicochemical indicators: The physicochemical indicators shall comply with the requirements of Table 1. Table 1 Physicochemical Indicators Item Standard pH value 4.5–7.5 Total active ingredients Juglone ≥10% Artemisinin ≥4.0% Total phenolic acids ≥15.0% Total flavonoids ≥24.9% Excipients ≥20% Dilution stability (20 times) Pass Low-temperature stability Pass Heat storage stability Pass Water-insoluble substances ≤3.0% a Water-insoluble substances, low-temperature stability, and heat storage stability are subject to spot checks. Under normal production conditions, spot checks shall be conducted at least once every three months.