T/GZBC 84-2026 Active Group standards

T/GZBC 84-2026 Ammonium sulfate solution

Publish Date: 2026-03-05 Implement Date: 2026-03-06 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/GZBC 84-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Broadcasting and television transmission and reception equipment

ICS Name: Comprehensive Chemical Products

Publish Date: 2026-03-05

Implement Date: 2026-03-06

Scope

This standard specifies the simple process of ammonium sulfate solution, the technical specifications of the product, the test methods, the inspection rules and marking, packaging, transportation, storage and other requirements. This standard is applicable to the by-product ammonium sulfate solution made from the concentrated crystallization mother liquor of ammonium sulfate as the raw material. Technical specifications: appearance, ammonium sulfate content, heavy metal content (calculated by Pb), pH 1. Appearance: colorless or light yellow solution, determined by visual inspection under natural light; 2. Ammonium sulfate content: ≥25%, detection method: refer to the method two of nitrogen determination instrument in Appendix A of GB/T 535-2020 Fertilizer Grade Ammonium Sulfate to calculate the ammonium sulfate content by measuring the ammonia content in the solution; 3. Heavy metal content (calculated by Pb): ≤0.0002%, detection method: refer to the determination method in 5.11 of GB/T 535-2020 Fertilizer Grade Ammonium Sulfate to determine it by plasma emission spectrometry; 4. pH: 4-6, detection method: self-developed - determined by pH meter.