intermediate pharmaceutical products

Reagent Sulfuric Acid 96.5% (typically conforming to ACS specifications) is characterized by high purity and very low levels of metal impurities and residue. Its main applications include: 1. Laboratory & Analytical Chemistry General Reagent : Used to prepare dilute sulfuric acid, standard solutions, and for titrations, pH adjustment, and acidification. Sample Digestion : Utilized in COD (Chemical Oxygen Demand) testing, Kjeldahl nitrogen determination, and trace metal

Reagent Sulfuric Acid 98% is a high-purity acid (typically ACS grade) with maximum concentration before fuming, offering strong acidity, exceptional dehydrating power, and low impurity levels. It is a fundamental laboratory and industrial reagent. 1. Laboratory & Analytical Chemistry Standard Solution Preparation : Primary acid for preparing precise volumetric solutions and titrants. Sample Digestion : Used in COD (Chemical Oxygen Demand), Kjeldahl nitrogen, and heavy metal