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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...

Dear valued customers and partners, Hello! As a long-term partner of Shandong Metallurgical Research Institute Co.,Ltd (SDRM), we are always committed to the principle of 'enriching product varietie...

Drug impurities, as a key factor affecting drug safety and efficacy, play a vital role in drug research and quality control. Currently, drug impurities have become a key focus for drug regulatory ag...

This newly established method (2342) in the 2025 Chinese Pharmacopoeia (ChP) is designed for detecting synthetic plant growth regulator (PGR) residues in herbal materials, decoction pieces...

(一) Core Definition and Role of Blank Matrix A blank matrix refers to a Chinese medicinal material matrix containing no target pesticide residues or residues below the method detection limit (LOD). ...

I. Strengthened Control of Pesticide Residues and Growth Regulators 1. Number of Prohibited Pesticide Varieties Increased to 47  Based on the 33 prohibited pesticides in the 2020 e...

Purified water is commonly used in the pharmaceutical industry and holds a significant position. It is widely applied in multiple aspects such as the preparation, extraction, and cleaning of pharmac...

Neutralization Solution for Petroleum Acid Number Determination(PCL-2024BZ467-500ml), prepared in accordance with GB/T 264-83 Standard Test Method for Acid Number of Petroleum Products, is form...

1. Basic Properties and Chemical Characteristics  Sodium hydroxide (NaOH) solution is a strongly alkaline aqueous solution with core features: l Strong Corrosivity: Causes...