titration The acid-base titration is an analysis method based on proton transfer reaction . It is often used for the determination of alkaloids .
Content determination method included in the general rules of "Chinese Pharmacopoeia" (1)
Time of Update: 2022-06-29
method due to its advantages in separation analysis . >The following mainly introduces the content determination methods included in the General Rules of the Chinese
The meaning and characteristics of Chinese medicine classification (1)
Time of Update: 2022-06-29
/> In general, the dissolution rate and bioavailability of tablets are better than those of pills . However, children and comatose patients are not easy to swallow. Some Chinese
Determination methods and general steps of Chinese medicine content (1)
Time of Update: 2022-06-29
on the chemical reaction of substances, mainly including titration analysis method and gravimetric analysis method . The instrument used is simple and the results are accurate. It is mainly
Determination of aflatoxin residues (1)
Time of Update: 2022-06-29
The photochemical derivatization method uses octadecylsilane-bonded silica gel as the filler; column temperature: 40°C; uses methanol-acetonitrile-water (40:18:42) as the mobile phase, according to the gradient ratio in Table 13-3 Carry out gradient elution, flow rate 1.
Inspection Method of Chinese Medicine Pills (1)
Time of Update: 2022-06-28
>. >3. The precautions are the same as the corresponding methods of the Chinese herbal medicine moisture determination method . >4
Inspection method for ophthalmic preparations (1)
Time of Update: 2022-06-28
/>. >Judgment of results: The results of eye drops for non-biological products are determined in accordance with Table 15-10 . >
Inspection method of Chinese medicine spray (1)
Time of Update: 2022-06-28
be checked for the uniformity of the delivered dose. Inhalation sprays for nebulizers should be checked for the fine particle dose, delivery rate and total delivery. Single-dose sprays should be checked for differences in volume, and non
Inspection method of decoction (cream) (1)
Time of Update: 2022-06-26
boiled cold water, and then follow the test method for determining the weight of the test product Measure the weight of water at the same temperature . >5) When using a pycnometer
Aerosol inspection method (1)
Time of Update: 2022-06-25
>(1) This law is applicable to the inspection of the injection rate of non-quantitative aerosols . >(2) Non-quantitative valve aerosols
General Overview of Drug Reference Materials (1)
Time of Update: 2022-06-24
The 1985 edition of the "Chinese Pharmacopoeia" included 76 chemical reference substances and reference medicinal materials in the standard for the first time.
Safety inspection of traditional Chinese medicine injections (1)
Time of Update: 2022-06-24
preparation. Add 2% red blood cell suspension, 0. 9% sodium chloride solution, and distilled water in sequence , and mix well
Technical requirements for the development and calibration of Chinese medicine reference materials (1)
Time of Update: 2022-06-24
The main technical aspects of the development and calibration of Chinese medicine reference materials include: species identification, candidate raw material preparation technology research
Test method for adhesive force of plaster (general rule 0592) (1)
Time of Update: 2022-06-24
/>>2. The adhesive force measurement method of plaster is divided into 4 methods, the first method (measurement of initial adhesion), the second method (measurement of holding adhesion), the third method
Inspection Method for Minimum Loading Quantity of Traditional Chinese Medicine Preparations (General Rules 0942) (1)
Time of Update: 2022-06-23
tool). The volume to be measured should be at least 40% of its rated volume). After the viscous liquid is poured out, unless otherwise specified, invert the container for 15 minutes and try to empty it out
