T/GZBC 85-2026 Active Group standards

T/GZBC 85-2026 Sodium nitrate 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 85-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Broadcasting and television transmission and reception equipment

ICS Name: Other chemical products

Publish Date: 2026-03-05

Implement Date: 2026-03-06

Scope

This standard specifies the simple process of sodium nitrate solution, the technical specifications of the product, the test methods, the inspection rules, and the requirements for marking, packaging, transportation, and storage. This document is applicable to sodium nitrate solutions produced from tin stripping wastewater containing nitrate salts. Projects: Appearance, sodium nitrate content, iron (calculated as Fe), pH 1. Appearance: A colorless or light yellow solution, determined visually under natural light. 2. Sodium nitrate content: ≥20.0%, detection method: Self-developed - Calculating the sodium nitrate content by measuring the ammonia content in the product. 3. Iron (calculated as Fe): ≤0.004%, detection method: Self-developed - Using plasma emission spectrometry. 4. pH: 4–7, detection method: Determined using an acidity meter.