T/CPCIF 0168-2021 Rapid detection assay for nitrite, nitrate, and ammonia nitrogen in water

Scope

Scope: This document specifies the requirements, test methods, inspection rules, markings and accompanying documents, packaging, transportation, and storage for kits used in the rapid detection of nitrite, nitrate, and ammonia nitrogen in water. This document is applicable to kits used for semi-quantitative rapid detection of nitrite, nitrate, and ammonia nitrogen in water, including drinking water, surface water, groundwater, aquaculture water, seawater, municipal wastewater, and industrial wastewater. This document does not apply to the requirements for calibration and quality control materials in the kits. Main technical content: 4.1 Appearance: The appearance of the kit shall meet the following requirements: a) The packaging of the kit shall be intact, clean, and free from damage; b) The labels and markings shall be clear and free from wear and tear. 4.2 Contents: The kit shall contain detection reagents, test bottles (tubes), standard color cards, and instructions, and shall meet the following requirements: a) All components shall be intact, clean, complete, and clearly marked; b) The reagents shall be sealed, free from contamination, and leak-free. Liquid reagents shall be clear and transparent, and the outer packaging of the reagents shall be labeled with the indicated quantity; c) The test bottles (tubes) shall be made of colorless transparent materials, with clear scales, good sealing, and no leakage; d) The standard color cards shall be clean, free from stains, and uniform in color, meeting the matching requirements (see 4.4) and having clear markings that correspond to the measurement range indicated in the instructions. Note: The production method and examples of standard color cards are provided in Appendix A; e) The instructions shall be printed clearly and intact. 4.3 Packing quantity: 4.3.1 The net capacity of liquid reagents shall not be less than the indicated quantity; 4.3.2 The net content of powder reagents in each package shall meet the re

Development Information

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