CN113758826A - Method for judging processing degree of rhizoma cibotii decoction pieces - Google Patents
Method for judging processing degree of rhizoma cibotii decoction pieces Download PDFInfo
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- CN113758826A CN113758826A CN202010868164.1A CN202010868164A CN113758826A CN 113758826 A CN113758826 A CN 113758826A CN 202010868164 A CN202010868164 A CN 202010868164A CN 113758826 A CN113758826 A CN 113758826A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N2009/022—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids
- G01N2009/024—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids the volume being determined directly, e.g. by size of container
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Abstract
The invention provides a method for judging the processing degree of rhizoma cibotii decoction pieces, which adopts the density of the rhizoma cibotii decoction pieces to judge the processing degree of the rhizoma cibotii decoction pieces. The invention creatively provides that whether the processing is qualified or not is judged through the density of the rhizoma cibotii decoction pieces, and the density of the rhizoma cibotii decoction pieces is obtained to be 0.43-0.60g/cm through a large number of tests and screens3When the medicine is qualified, processing; when the density of the rhizoma cibotii decoction pieces is more than 0.60g/cm3In the meantime, the processing is not qualified. The determination method is verified by methodology that the repeatability, the stability and the precision are good; the method is consistent with the identification result of experts acknowledged in the industry, and shows that the method for judging the processing degree of the rhizoma cibotii decoction pieces provided by the invention is accurate, objective and reliable, and a brand-new method for judging whether the processing of the rhizoma cibotii decoction pieces is qualified is established, so that the method does not damage samples and cause no reagent pollution, and is simple and easy to implement.
Description
Technical Field
The invention relates to the technical field of judgment of the processing degree of traditional Chinese medicine decoction pieces, in particular to a method for judging the processing degree of rhizoma cibotii decoction pieces.
Background
Rhizoma Cibotii is dried rhizome of Cibotium barometz (L.) J.Sm. of Unionidae, and has effects of nourishing liver and kidney, dispelling pathogenic wind and removing dampness, benefiting articulation, and strengthening waist. The traditional processing theory considers that the processed rhizoma cibotii product has the efficacies of nourishing liver and kidney, strengthening waist and knees and the like, so the rhizoma cibotii is mostly processed into medicine.
The processing method of the scalded rhizoma cibotii stipulated in the Chinese pharmacopoeia of 2015 edition is as follows: scalding with sand until swelling by heating (Tong. 0213), cooling, and removing residual fluff. However, the sand is hot to the surface of the dog bone and is not easy to control the duration of the fire, and the sand is used as a medium to cause uneven heating, resulting in the defect of incomplete processing or slight local carbonization.
The quality control of the scalded rhizoma cibotii in the Chinese pharmacopoeia adds the description of characters on the basis of raw rhizoma cibotii, and describes that the product is shaped like a rhizoma cibotii tablet, the surface is slightly bulged, and the quality judgment that the content of protocatechuic acid is not less than 0.02 percent is added in the Chinese pharmacopoeia on the basis of character judgment.
At present, no clear method is provided for processing the cibotium barometz in place, or a traditional character discrimination method is adopted, so that technicians are required to have related processing backgrounds. Technicians without processing experience are difficult to effectively judge and can only judge according to the content of protocatechuic acid for quality control, but the limit value of the content of protocatechuic acid specified in the pharmacopoeia is small, and when processing is not in place, the content of protocatechuic acid can reach the limit value, so that the risk of error judgment is increased.
Although the occurrence of judgment errors can be eliminated in the test part in the method for identifying rhizoma cibotii by experts in the industry (for example, rhizoma cibotii is respectively processed into three types of 'unreachable', 'qualified' and 'too late' in the processing map of traditional Chinese medicine decoction pieces and is respectively photographed and made into a color map for shape judgment, and the rhizoma cibotii is proved to be a genuine product in the 'rhizoma cibotii processing process research' published by Xiyan, the number of experts is limited after all, and the identification speed is not enough to meet the demand of the market, so that the rhizoma cibotii scalding decoction pieces in the market are not processed in place and flow into the market, and the clinical treatment effect is poor.
Based on the lack of processing background of technicians engaged in quality control of traditional Chinese medicines at present and the small number of experts, the phenomenon is ubiquitous in the industry. Therefore, a method for converting the traditional experience into objective index evaluation is lacked for judging the processing degree of the cibotium barometz.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that an objective evaluation method for evaluating whether the rhizoma cibotii is processed in place is lacked in the prior art, so that the method for judging the processing degree of the rhizoma cibotii decoction pieces is provided, and the method is simple, feasible, accurate and objective.
Therefore, the invention provides the following technical scheme:
a method for determining the processing degree of rhizoma Cibotii decoction pieces adopts the density of rhizoma Cibotii decoction pieces to determine the processing degree of rhizoma Cibotii decoction pieces.
Further, the density of the rhizoma cibotii decoction pieces is calculated according to the following formula:
ρ＝M/V
wherein ρ is density; m is the mass of the rhizoma cibotii decoction pieces; v is the volume of rhizoma Cibotii decoction pieces.
Further, the determination of the volume of the rhizoma cibotii decoction pieces comprises the following steps:
placing the solid medium in a cylindrical container, oscillating to make the interface of the solid medium horizontal, measuring and recording the height H of the solid medium in the container2And the section radius R formed by the horizontal interface of the solid medium and the cylindrical container, and then pouring out the solid medium for later use;
placing the decoction pieces in the same cylindrical container, pouring the solid medium, shaking to make the interface of the solid medium horizontal and the decoction pieces completely submerged under the solid medium, measuring and recording the height H of the solid medium in the cylindrical container1The volume of the rhizoma cibotii decoction pieces is calculated according to the following formula:
V＝[(H1-H2)×πR2。
the method for measuring the volume of the rhizoma cibotii decoction pieces is not limited to a cylindrical container, and any container is suitable as long as the volume of the rhizoma cibotii decoction pieces can be measured, such as a cuboid, a cube, a cone and the like.
Further, the particle size of the solid medium is 50-100 meshes.
Furthermore, the mass ratio of the rhizoma cibotii decoction pieces to the solid medium is 1: 10-20.
Further, 15-21 wt% of the solid medium can be covered on the bottom of the round container, and then the scalded rhizoma cibotii decoction pieces are put into the round container.
Further, the solid medium is river sand, soil or solid resin.
Further, the cylindrical container is a beaker or a measuring cylinder.
Further, when the density of the rhizoma Cibotii decoction pieces is 0.43-0.60g/cm3When the medicine is qualified, processing; when the density of the rhizoma cibotii decoction pieces is more than 0.60g/cm3Or less than 0.43g/cm3In the meantime, the processing is not qualified.
The technical scheme of the invention has the following advantages:
1. the method for judging the processing degree of the rhizoma cibotii decoction pieces provided by the invention adopts the density of the rhizoma cibotii decoction pieces to judge the processing degree of the rhizoma cibotii decoction pieces.
The Chinese pharmacopoeia stipulates the character of the rhizoma cibotii decoction pieces, but according to the description of the character, technicians without processing experience can hardly make effective judgment; although the judgment of experts in the industry is accurate, the number of experts is limited after all, and the market demand cannot be met. Based on the above, the quality limitation can only be relied on that the protocatechuic acid content in the scalded rhizoma cibotii specified in the pharmacopeia is not less than 0.02 percent, but the limit value of the protocatechuic acid content specified in the pharmacopeia is small, so that the protocatechuic acid content in the scalded rhizoma cibotii is easy to meet the specification in the pharmacopeia, but the processing of the scalded rhizoma cibotii is not in place actually; therefore, the rhizoma cibotii decoction pieces circulating in the market have unqualified processing and poor clinical treatment effect. The experimental research shows that the density of the rhizoma cibotii decoction pieces is closely related to the processing degree of the rhizoma cibotii decoction pieces, and creatively proposes that the processing is qualified by the density of the rhizoma cibotii decoction pieces. The method is verified by methodology that the repeatability, the stability and the precision are good; and the method is consistent with the identification result of experts acknowledged in the industry, which shows that the method for judging the processing degree of the rhizoma cibotii decoction pieces provided by the invention is accurate, objective and reliable. The invention establishes a brand-new method for identifying whether the processing of the rhizoma cibotii decoction pieces is qualified, does not damage samples or pollute reagents, and is simple and easy to implement.
2. According to the method for judging the processing degree of the rhizoma cibotii decoction pieces, provided by the invention, the solid is used as a medium for measuring the volume of the rhizoma cibotii decoction pieces, so that the rhizoma cibotii decoction pieces can be prevented from floating in a liquid medium, or the inaccurate measured density caused by the fact that effective components are dissolved out in the liquid medium.
3. According to the method for judging the processing degree of the rhizoma cibotii decoction pieces, provided by the invention, the accuracy of measuring the density of the rhizoma cibotii decoction pieces can be improved by limiting the particle size of the solid medium to be 50-100 meshes.
4. The method for judging the processing degree of the rhizoma cibotii decoction pieces provided by the invention is characterized in that the mass ratio of the rhizoma cibotii decoction pieces to a solid medium is limited to 1: 10-20; the accuracy of the density of the rhizoma cibotii decoction pieces obtained by measurement can be improved.
Detailed Description
The following examples are provided to further understand the present invention, not to limit the scope of the present invention, but to provide the best mode, not to limit the content and the protection scope of the present invention, and any product similar or similar to the present invention, which is obtained by combining the present invention with other prior art features, falls within the protection scope of the present invention.
The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
And pi is the circumference ratio, and 3.14 is taken in the calculation. The method for measuring the volume of the rhizoma cibotii decoction pieces is not limited to the cylindrical container in the embodiment, and any container can be used as long as the volume of the rhizoma cibotii decoction pieces can be measured.
Example 1
The embodiment provides a method for judging the processing degree of rhizoma cibotii decoction pieces, which comprises the following steps:
480g of river sand with the particle size of 50 meshes is weighed and placed in a 500mL beaker, the beaker is gently shaken for 3 times to ensure the sand surface level, and the height H of the river sand in the beaker is measured and recorded2And the section radius R formed by the river sand interface and the beaker, and then pouring out the river sand; standby;
then putting 30g of the scalded rhizoma cibotii decoction pieces into a beaker, pouring the river sand, slightly shaking for 3 times to ensure that the sand surface is horizontal and the scalded rhizoma cibotii decoction pieces are completely submerged under the river sand, and measuring and recording the height H of the river sand in the beaker1；
The above values are substituted into the formula p 30g/[ (H)1-H2)×πR2]In the method, the calculated density of the rhizoma Cibotii decoction pieces to be detected is 0.56g/cm3And processing is qualified.
Example 2
The embodiment provides a method for judging the processing degree of rhizoma cibotii decoction pieces, which comprises the following steps:
480g of sandy soil with the particle size of 80 meshes is weighed and placed in a 500mL beaker, the beaker is gently shaken for 4 times to ensure the level of the sandy soil surface, and the height H of the sandy soil in the beaker is measured and recorded2And the section radius R formed by the interface of the sandy soil and the beaker, and then pouring out the sandy soil; standby;
placing the 80g of sandy soil at the bottom of the same beaker, slightly shaking for 2 times to ensure that the sandy soil covers the bottom of the beaker, then placing the weighed 24g of the scalded rhizoma cibotii decoction pieces into the beaker, pouring the rest sandy soil, slightly shaking for 4 times to ensure that the sandy soil surface is horizontal and the scalded rhizoma cibotii decoction pieces are completely submerged under the sandy soil, and measuring and recording the height H of the sandy soil in the beaker1；
Substituting the above values into the formula ρ 24g/[ (H)1-H2)×πR2]In the method, the calculated density of the rhizoma Cibotii decoction pieces to be detected is 0.57g/cm3And processing is qualified.
Example 3
The embodiment provides a method for judging the processing degree of rhizoma cibotii decoction pieces, which comprises the following steps:
480g of neutral alumina with the particle size of 100 meshes is weighed and placed in an 800mL measuring cylinder, the neutral alumina is lightly vibrated for 2 times to ensure the level of the neutral alumina, and the height H of the neutral alumina in the measuring cylinder is measured and recorded2And the section radius R formed by the interface of the neutral alumina and the measuring cylinder, and then pouring out the neutral alumina; standby;
placing 100g of neutral alumina at the bottom of the same graduated cylinder, slightly shaking for 3 times to cover the neutral alumina at the bottom of the graduated cylinder, then placing 48g of scalded rhizoma Cibotii decoction pieces into the graduated cylinder, pouring the rest neutral alumina, slightly shaking for 2 times to ensure that the neutral alumina is horizontal and the scalded rhizoma Cibotii decoction pieces are completely submerged under the neutral alumina, and measuring and recording the height H of the neutral alumina in the graduated cylinder1；
The above values are substituted into the formula ρ 48g/[ (H)1-H2)×πR2]In the method, the calculated density of the rhizoma Cibotii decoction pieces to be detected is 0.45g/cm3And processing is qualified.
Example 4
The embodiment provides a method for judging the processing degree of rhizoma cibotii decoction pieces, which comprises the following steps:
480g of sandy soil with the particle size of 100 meshes is weighed and placed in a 500mL beaker, the beaker is gently shaken for 4 times to ensure the level of the sandy soil surface, and the height H of the sandy soil in the beaker is measured and recorded2And the section radius R formed by the interface of the sandy soil and the beaker, and then pouring out the sandy soil; standby;
placing the 90g of sandy soil at the bottom of the same beaker, slightly vibrating for 3 times to ensure that the sandy soil covers the bottom of the beaker, then placing the weighed 24g of the scalded rhizoma cibotii decoction pieces into the beaker, pouring the rest sandy soil, slightly vibrating for 4 times to ensure that the sandy soil surface is horizontal and the scalded rhizoma cibotii decoction pieces are completely submerged under the sandy soil, and measuring and recording the height H of the sandy soil in the beaker1；
Substituting the above values into the formula ρ 24g/[ (H)1-H2)×πR2]In the method, the calculated density of the rhizoma Cibotii decoction pieces to be detected is 0.58g/cm3And processing is qualified.
Experimental example 1 establishment of method
Sample preparation:
weighing 1000g river sand with particle size of 100 meshes, respectively placing in 7 frying pans with the same specification, heating to 210 deg.C, respectively adding 100g rhizoma Cibotii decoction pieces, stir-frying while keeping river sand capable of burying rhizoma Cibotii decoction pieces, respectively parching for 5min, 8min, 11min, 14min, 17min, and 20min, and taking out; then the mixture is placed at room temperature to obtain the scalded rhizoma cibotii decoction pieces under different frying time.
Selection of methods
Putting 480g of river sand with the particle size of 100 meshes into a 500mL cylindrical beaker, slightly shaking for 3 times to ensure the sand surface level, and measuring and recording the height H of the river sand in the beaker2And the section radius R formed by the horizontal river sand surface and the beaker is used for pouring out the river sand for later use.
Pouring the 80g of river sand into the same 500mL beaker, and fully spreading the river sand at the bottom of the beaker; adding fresh rhizoma Cibotii decoction pieces, pouring the rest river sand into a beaker, gently shaking for 3 times to ensure that the sand surface is horizontal and the fresh rhizoma Cibotii decoction pieces are completely submerged under the river sand, measuring and recording the height of the river sand in the beaker, and pouring out the river sand and the fresh rhizoma Cibotii decoction pieces.
According to the determination method of the raw rhizoma cibotii decoction pieces, the difference is only that the raw rhizoma cibotii decoction pieces are replaced by the rhizoma cibotii decoction pieces prepared in different frying time, and the height of the river sand in the beaker is determined and recorded.
Substituting the measured values into the following formula to calculate the density of the rhizoma Cibotii decoction pieces and the rhizoma Cibotii decoction pieces prepared by different stir-frying time:
ρ＝M/[(H1-H2)×πR2]
wherein ρ is the density; h1Is the height of river sand in a beaker containing the rhizoma cibotii decoction pieces or the raw rhizoma cibotii decoction pieces; m is the quality of rhizoma Cibotii decoction pieces or rhizoma Cibotii decoction pieces.
Respectively crushing the rhizoma Cibotii decoction pieces obtained by different stir-frying time, and then detecting the content of protocatechuic acid according to rhizoma Cibotii scalding [ content determination ] item in pharmacopoeia; meanwhile, the expert of Beijing Congrentang pharmaceutical industry Limited is asked to carry out the judgment by 10 years of decoction piece identification, and the results are shown in the following table.
TABLE 1 results
As can be seen from the data in the above table, the density of the prepared rhizoma Cibotii decoction pieces decreases with the increase of the frying time. Parching rhizoma Cibotii decoction pieces for 5min and 8min until the content of protocatechuic acid in the rhizoma Cibotii decoction pieces meets pharmacopoeia regulations, but the property determination does not meet the requirements, and the rhizoma Cibotii decoction pieces are unqualified; parching rhizoma Cibotii decoction pieces for 11min, 14min and 17min until the content of protocatechuic acid meets pharmacopoeia regulations, and processing by expert identification; when the processing time reaches 20min, the property and the content of the rhizoma cibotii decoction pieces meet the requirements, and the edge of the decoction pieces is in a slightly pasty state, so the processing end point is determined.
Therefore, the density value method is adopted to judge whether the rhizoma cibotii decoction pieces are qualified after being processed: when the density of the rhizoma Cibotii decoction pieces is 0.43-0.60g/cm3When the medicine is qualified, processing; when the density of the rhizoma cibotii decoction pieces is more than 0.60g/cm3Or less than 0.43g/cm3In the meantime, the processing is not qualified. Therefore, the subjective evaluation method is converted into objective data, the accuracy of the subjective evaluation method is guaranteed, and risks caused by insufficient judgment experience of technicians on characters are avoided. In addition, the time and the cost of detection are saved, and the method is simple, quick, accurate and objective.
Experimental example 2 method verification
The determination method of the processing degree of the rhizoma cibotii decoction pieces is respectively verified by methods of repeatability, stability and intermediate precision.
Repeatability of
The density test method of example 1 was repeated 6 times a day for the same rhizoma Cibotii decoction pieces in the same laboratory by the same analyst, and RSD% was calculated, and the results are shown in the following table.
TABLE 2 results of the repeatability experiments
Note: the temperature in the laboratory was constant at 25 ℃ and the humidity was constant at 35%.
The results in the table show that the repetitive RSD% value is 0.73%, which indicates that the method for determining the processing degree of the rhizoma cibotii decoction pieces provided by the invention has good repeatability.
Precision of the method
6 different experimenters were selected and tested in the same laboratory on the same rhizoma cibotii decoction pieces according to the density test method in example 1, and the results are shown in the following table.
TABLE 3 results of the precision test
Note: the temperature in the laboratory was constant at 25 ℃ and the humidity was constant at 35%.
The results in the table show that the RSD% values of different persons are 0.73%, and the RSD% values of repeatability and precision are 0.70%, which shows that the method for determining the processing degree of the rhizoma cibotii decoction pieces provided by the invention has good precision.
Stability of
The density test method of example 1 was performed on the same Cibotium barometz decoction pieces in the same laboratory by the same experimenter, and the results are shown in the following table.
Table 4 stability test results
Note: the temperature in the laboratory was constant at 25 ℃ and the humidity was constant at 35%.
The results in the above table show that the RSD% value of the stability is 0.83%, which indicates that the method for determining the processing degree of the rhizoma cibotii decoction pieces provided by the present invention has good stability.
Experimental example 3
Randomly purchased 22 batches of rhizoma Cibotii decoction pieces in the market were tested according to the density determination method in example 1; detecting the content of protocatechuic acid according to the detection method in the item of scalded rhizoma Cibotii (content determination) in pharmacopoeia; the results of the judgment of experts engaged in decoction piece identification for 10 years in the specialty of Beijing kang Renshengtang pharmaceutical Co., Ltd are shown in the following table.
TABLE 5 results of the experiment
As can be seen from the data in the table above, the content of protocatechuic acid in 22 batches of hot-processed rhizoma cibotii decoction pieces randomly purchased in the market all meet the regulations in pharmacopoeia, but the identification of experts in the industry finds that 7 batches of the raw materials do not meet the requirements, are unqualified decoction pieces, and have the accuracy rate of only 68.2%; it shows that the risk exists only by taking the content of protocatechuic acid as the judgment standard of the rhizoma cibotii decoction pieces. Compared with the result identified by an authoritative expert in the industry, the method for determining the processing degree of the rhizoma cibotii decoction pieces has the accuracy rate of 90.9 percent, which shows that the method for determining the processing degree of the rhizoma cibotii decoction pieces is accurate and objective.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (9)
1. A method for judging the processing degree of rhizoma cibotii decoction pieces is characterized by comprising the following steps:
the processing degree of the rhizoma cibotii decoction pieces is judged by adopting the density of the rhizoma cibotii decoction pieces.
2. The method for determining the processing degree of the rhizoma cibotii decoction pieces as claimed in claim 1, wherein the density of the rhizoma cibotii decoction pieces is calculated according to the following formula:
ρ＝M/V
wherein ρ is density; m is the mass of the rhizoma cibotii decoction pieces; v is the volume of rhizoma Cibotii decoction pieces.
3. The method for determining the processing degree of the rhizoma cibotii decoction pieces as claimed in claim 1 or 2, wherein the measurement of the volume of the rhizoma cibotii decoction pieces comprises the following steps:
placing the solid medium in a cylindrical container, oscillating to make the interface of the solid medium horizontal, measuring and recording the height H of the solid medium in the container2And the section radius R formed by the horizontal interface of the solid medium and the cylindrical container, and then pouring out the solid medium for later use;
placing the decoction pieces in the same cylindrical container, pouring the solid medium, shaking to make the interface of the solid medium horizontal and the decoction pieces completely submerged under the solid medium, measuring and recording the height H of the solid medium in the cylindrical container1The volume of the rhizoma cibotii decoction pieces is calculated according to the following formula,
V＝[(H1-H2)×πR2。
4. the method for determining the processing degree of the rhizoma cibotii decoction pieces as claimed in claim 3, wherein the particle size of the solid medium is 50-100 meshes.
5. The method for determining the processing degree of the rhizoma cibotii decoction pieces according to claim 3 or 4, wherein the mass ratio of the rhizoma cibotii decoction pieces to the solid medium is 1: 10-20.
6. The method for determining the processing degree of the rhizoma Cibotii decoction pieces according to any one of claims 3-5, wherein the solid medium is coated on the bottom of the circular container by 15-21 wt% before the rhizoma Cibotii decoction pieces are placed.
7. The method for determining the processing degree of the rhizoma cibotii decoction pieces according to any one of claims 3 to 6, wherein the solid medium is river sand, soil or solid resin.
8. The method for determining the processing degree of rhizoma Cibotii decoction pieces as claimed in any one of claims 3-7, wherein the cylindrical container is a beaker or a graduated cylinder.
9. The method for determining the processing degree of the rhizoma Cibotii decoction pieces according to any one of claims 1-8, wherein the density of the rhizoma Cibotii decoction pieces is 0.43-0.60g/cm3When the medicine is qualified, processing; when the density of the rhizoma cibotii decoction pieces is more than 0.60g/cm3Or less than 0.43g/cm3In the meantime, the processing is not qualified.
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| CN101865805A (en) * | 2009-04-14 | 2010-10-20 | 南京海昌中药饮片有限公司 | Method for testing crispness of medicament calcined by Chinese medicament |
| CN102068121A (en) * | 2010-03-19 | 2011-05-25 | 许华欣 | Labor-saving, scientific and efficient advanced technology for stocktaking of Chinese herbal medicines |
| CN103913399A (en) * | 2012-12-31 | 2014-07-09 | 宁波江丰电子材料有限公司 | Solid density measure method and method for detecting density qualification of target material |
| CN104807726A (en) * | 2014-01-23 | 2015-07-29 | 成都中医药大学附属医院 | Detection method for dipping dispersion time limit of pressed traditional Chinese medicine decoction pieces |
| CN203981234U (en) * | 2014-05-23 | 2014-12-03 | 包头市太阳满都拉电缆有限公司 | Pneumatic process volume measurement device |
| CN108592836A (en) * | 2018-04-28 | 2018-09-28 | 深圳大学 | A kind of solid volume measuring device |
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