What are the characteristics of high-speed split emulsifier
Time of Update: 2022-08-20
Horizontal type: The bedroom is directly connected to the structure, and the running time is long, which is easy to cause the eccentricity of the shaft, and the operation is not normal.
Liquid ammonia prices rose sharply
Time of Update: 2022-04-26
With the international oil price soaring to more than 100 US dollars / barrel, the prices of most chemical products are running at a high level, and the demand for liquid ammonia has also maintained good .
The price of urea rose sharply, which also pushed the price of liquid ammonia higher .
Bisphenol A hits a new high within the year, epoxy resin sealing is not reported
Time of Update: 2022-03-24
According to industry insiders, at this point in time each year, the price of epoxy resin will rise slightly .
The mainstream offer of the factory was 14,800 yuan/ton, a new high during the year .
Determination of oxytetracycline, tetracycline, chlortetracycline and doxycycline residues in honey by liquid chromatography-ultraviolet detection
Time of Update: 2021-10-01
Accurately weigh appropriate amounts of oxytetracycline, tetracycline, chlortetracycline, and doxycycline standard materials, and mix them with methanol to prepare a standard stock solution of 0.
Place it in a 150mL Erlenmeyer flask, add 30mL Na 2 EDTA-Mcllvaine buffer solution, and mix quickly on a liquid mixer for 1 min to completely dissolve the sample .
Problems and solutions in the production process of tablet press
Time of Update: 2018-06-27
When the tablet is pushed out of the mold hole, the phenomenon of falling off is called crack Sometimes the middle of the tablet splits into two pieces, but this rarely happens In the process of table
Eight maintenance points of sampling car
Time of Update: 2017-11-01
1 According to the cleanliness of the environmental workshop, remove and clean the primary filter and intermediate filter regularly; the cleaning time is generally once every 2-3 months; the simple an
Selection of medium and small particle packing machine
Time of Update: 2010-01-06
At present, domestic pharmaceutical enterprises, as long as they produce proprietary Chinese medicine, generally have granular type, a few have powder powder There are many brands of packaging machine