-
Categories
-
Pharmaceutical Intermediates
-
Active Pharmaceutical Ingredients
-
Food Additives
- Industrial Coatings
- Agrochemicals
- Dyes and Pigments
- Surfactant
- Flavors and Fragrances
- Chemical Reagents
- Catalyst and Auxiliary
- Natural Products
- Inorganic Chemistry
-
Organic Chemistry
-
Biochemical Engineering
- Analytical Chemistry
- Cosmetic Ingredient
-
Pharmaceutical Intermediates
Promotion
ECHEMI Mall
Wholesale
Weekly Price
Exhibition
News
-
Trade Service
4.
4.
The copper piece is placed in the liquid and gas phase of the sample, and the corrosion amount of the copper piece is determined after heating and circulating for 24 hours
4.
4.
4.
4.
4.
4.
Figure 3 Assembly drawing of the stability test device
4.
4.
4.
4.
4.
Corrosion amount of copper sheet (mg/cm²)X 3 , calculated according to formula (3):
In the formula: A—the sum of the corrosion amount of two copper sheets, mg;
B—The sum of the area of the two sides of the two copper sheets, cm 2