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A major investigation by CCTV Finance in March 2026 has exposed the illegal use of prohibited substances, including clove eugenol derivatives and industrial alcohol, to anesthetize live fish in aqua...

The 2026 edition of the National Food Safety Standard for Maximum Residue Limits (MRLs) of Pesticides will officially come into effect on March 1st. In accordance with the Food Safety Law of the ...

I. Core Principle Ammonia nitrogen (as free ammonia or ammonium ions) reacts with Nessler’s reagent to form a pale reddish-brown complex. Absorbance is measured at 420 nm, with intensity proportiona...

Cobalt Chloride Solution Reference Material for Colorimetry In the field of chemical reagent quality control, the national standard General Rules for the Determination of Carbonizable Substance...

GB 5009.28-2016 National Food Safety Standard: Determination of Benzoic Acid, Sorbic Acid and Saccharin Sodium in Foods 1. Scope This standard specifies methods for the determination o...

1. Overview of Pesticide Residue Testing Updates in 2025 Chinese Pharmacopoeia To address exogenous contamination in Chinese medicinal material cultivation and processing, the 2025 Edition of Chi...

As a unified and standardized system defined by the Chinese Pharmacopoeia, "8006 Titration Solutions" does not denote a single solution. Instead, it represents the comprehensive catalogue of strictl...

Hengyuan Fine Chemical Provides Solutions for 2025 Pharmacopoeia 2341 and 2342 The 2025 edition of the Chinese Pharmacopoeia, 2341 Pesticide Residue Determination Method, has undergone significant ...

The 2025 Edition of the Pharmacopoeia of the People's Republic of China will be officially implemented from October 1, 2025. Regarding traditional medicine safety, the key updates in General Rule 23...