Determination of cone penetration of Vaseline general rule of Chinese Pharmacopoeia 0983
Vaseline is a semi-liquid mixture of alkanes or saturated hydrocarbons, also known as petrolatum, which is prepared after petroleum fractionation. Its state is between solid and liquid at room temperature. It has three colors of brown, yellow and white for different purposes 。 Natural Vaseline is obtained from petroleum residual oil concentrate such as alkane heavy oil; Artificial Vaseline is taken from pure ground wax or a mixture of paraffin and paraffin grease to thicken mineral oil. Vaseline has the smell of mineral oil, but not kerosene. It can be used as raw materials for drugs and cosmetics.
Determination of cone penetration
Take an appropriate amount of this product, melt it at 85 ° C ± 2 ° C, measure it by cone penetration method (general rule 0983), store it at 25 ° C ± 0.5 ° C for 24h, and the cone degree shall be 130 ~ 230 units.
According to the quality standard of white vaseline in part II of Chinese Pharmacopoeia (2010 Edition), the qualified limit is 130 ~ 230 units.
According to the requirements of Pharmacopoeia, st211b full-automatic constant temperature cone penetration tester is designed and manufactured according to the technical requirements and relevant regulations of 0983 cone penetration measurement rule of pharmacopoeia in 2020. It is mainly applicable to the cone penetration test of Vaseline and ointment. With microprocessor as the core, it integrates mechanical, optoelectronic and micro detection technology. The lifting arm rises and falls automatically, the touch screen adjusts the distance, automatically determines the result and prints automatically.
The instrument can also be used for the inspection of solid fine particles, powder, colloid, frozen body and other materials, as well as food raw materials such as cheese, sugar gum, butter, wheat jelly, cream and fermented body. It can be widely used in food industry, transportation and highway engineering and other industrial departments.
Standard: Chinese Pharmacopoeia
1. Upgrade to 7-inch TFT color LCD display;
2. Constant temperature refrigeration mode: external semiconductor refrigeration.
3. Detection method: high precision displacement sensor.
4. After upgrading, 199 groups of historical data can be stored for easy query; At the same time, U disk output function can be selected
5. Standard micro printer for automatic measurement and printing
6. Can include password ladder setting function (optional)