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Fufang Tianwu Tablet (attached: identification of alkaloids in Tianwuwu total alkali)
This product is no summer, no total alkalis in summer, shouwu, artificial musk, frankincense (prepared), cymbal viper, single living, Siegesbeckia, Antong vine, Wei Lingxian, salvia, chicken vine, spatholobi, hawthorn leaves, Achyranthes taste like sheet 33 made by processing
Attachment: No total alkali quality standard in summer
[Identification] Take 20jg of this product, add 10ml of water and 1ml of hydrochloric acid, heat and shake to dissolve, cool, take 2ml each of the solution, divide into 3 test tubes, add 2 drops of bismuth potassium iodide test solution to one tube, and it will produce brown Red precipitate; add 2 drops of silicotungstic acid test solution in one tube to produce a light yellow precipitate; add 2 drops of mercuric potassium iodide test solution to the other tube to produce a light yellow precipitate (the total alkaloids in summer is not)
Note: In summer, it is a dry tuber of Corydalis decumbens (Thunb.
UV Identification of Bilirubin in Artificial Bezoar
This product is processed from bezoar powder, cholic acid , hyodeoxycholic acid , taurine , bilirubin , cholesterol , and trace elements
Attachment: Bilirubin
[Identification] Take the solution under [Assay] according to the 2015 edition of "Chinese Pharmacopoeia" four-part ultraviolet-visible spectrophotometry (General Rule 0401), measure the absorption curve at the wavelength of 400~500nm, and compare it with the bilirubin reference substance.
[Content determination] Take about 10mg of this product, accurately weigh it, grind it with a small amount of chloroform, transfer it to a brown measuring flask, dissolve it by ultrasonic treatment, take it out, let it cool quickly, add chloroform to dilute to the mark, shake well
Determination of artemisinin in compound antimalarial preparations by infrared spectroscopy
Artemisinin is an effective ingredient isolated from the traditional Chinese medicine Artemisia annua
【Assay Determination】
Test conditions: carbon tetrachloride as solvent; measurement wavelength 1738cm -1
Preparation of the standard curve: prepare a series of concentrations of artemisinin reference solution with carbon tetrachloride as the solvent
Preparation and determination of the test solution: take the crude product, grind it, take about 60mg, accurately weigh it, extract twice with 5ml carbon tetrachloride, shake for 2min, filter, and dilute the filtrate into a 10ml volumetric flask , Put it into the sodium chloride liquid pool, measure the infrared spectrum of the test solution according to the standard curve preparation method, and calculate the content according to the standard curve method
Note: Artemisinin is easily soluble in non-polar solvents, and tea phenol phosphate is easily soluble in polar solvents.