Acetic acid, also known as acetic acid, glacial acetic acid, chemical formula CH3COOH, is an organic monobasic acid, which is the main component of vinegar. Pure anhydrous acetic acid (glacial acetic acid) is a colorless hygroscopic solid with a freezing point of 16.6 ℃ (62 ℉).
Oxalic acid is a simple dicarboxylic acid, also known as oxalic acid. It is colorless and transparent crystal at room temperature. It usually contains two molecules of crystal water. When heated to 100.1 ℃, it will lose crystal water and become anhydrous oxalic acid. Toxic, harmful to human body.
Potassium nitrate is not only an important industrial raw material, but also an important non chloride nitrogen potassium compound fertilizer. About 75% of the world's potassium nitrate is used in agricultural fertilizer, 10% in TV glass shell and special glass, and the rest in other industries.
1. Potassium nitrate provides efficient nutrients for plants (1) potassium nitrate is composed of cationic potassium (K +) and anionic nitrate (NO3 -). The n-p2o5-k2o share is 13.5-0-46 (13% of n is 62% of NO3 -), 46% of K2O is 38% of K +, which is 100% of KNO3).
1. Sodium formate method: carbon monoxide and sodium hydroxide solution react at 160-200 ℃ and 2MPa to form sodium formate, and then the finished product is obtained by sulfuric acid hydrolysis and distillation.
At present, many people are very worried about the decoration of the house and will often encounter problems in the process of decoration, so that problems need to be solved, which also wastes a lot of your time. This is the problem of removing formic acid in the interior when decorating the house.
The Sino-US trade war, which lasted for more than a year, finally ushered in the first phase of the agreement on December 13, which is a good support for market sentiment. Peripheral oil prices reached a three-month highest closing for two consecutive days.
Formic acid (chemical formula HCOOH, molecular formula CH2O2, molecular weight 46.03), commonly known as formic acid, is a very simple carboxylic acid.
Qingdao Hisea Chem Co., Ltd located in the east part of China, which is the largest salt farm in China, the potassium related chemicals production ranked fourth in the world. The main products of...