CN105486642A - Titanium dioxide opacity examination method - Google Patents
Titanium dioxide opacity examination method Download PDFInfo
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- CN105486642A CN105486642A CN201510833080.3A CN201510833080A CN105486642A CN 105486642 A CN105486642 A CN 105486642A CN 201510833080 A CN201510833080 A CN 201510833080A CN 105486642 A CN105486642 A CN 105486642A
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- titania
- whiteness
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- titanium dioxide
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
Abstract
The invention discloses a titanium dioxide opacity examination method, and belongs to the technical field of medicine raw material examination. The method comprises the following steps: 1, establishing a standard sample, taking a titanium dioxide sample as the standard sample, respectively weighing all samples according to a mass ratio of titanium dioxide to iron oxide to talcum powder of 2:1:1, fully mixing the weighed samples, respectively taking 20.0g of all the obtained samples 3min, 5min, 7min and 9min after grinding is started, examining the whiteness by using a whiteness instrument, calculating the difference between results of two adjacent sampling, determining that the results are effective when the difference is smaller than 0.5%, and using the results as a standard value; 2, examining the whiteness of the sample by using the whiteness instrument through using a technology same to that in step 1; and 3, comparing a result obtained in step 2 with the result of the step 1. The opacities of titanium dioxide from different manufacturers or in different batches can be predicated in advance through the method.
Description
Technical field
The present invention relates to a kind of method of inspection hiding look power, particularly a kind of titania hides the method for inspection of look power, belongs to medical material inspection technology field.
Background technology
Titania (chemical formula: TiO), white solid or pulverous intermediate oxide, molecular weight: 79.88, it is a kind of white inorganic pigment, there is nontoxic, best opacity, best whiteness and luminance brightness, be considered to a kind of Chinese white that performance is best in the world at present, it has good color masking ability.The adhesion of titanium white is strong, and not easily playing chemical change, is snow-white forever.Be widely used in the industry such as coating, plastics, papermaking, printing-ink, chemical fibre, rubber, cosmetics.In pharmacy, usually use titania as the adventitia of tablet medicament, in the production application of reality, titania also has very big difference because the different processing technology in source its quality different particularly hides look power, between the different batches of even same producer, it hides look power also larger difference, this causes larger uncertainty to production, producing causes the outward appearance product between product mutually inconsistent, even cause the problem of quality aspect, user is allowed to produce query in product quality, the difference that this titania hides look power can only be passed through to adjust in real time aborning in production in the past, but the negative or skimble-scamble product of presentation quality or is produced under this adjustment mode, the impact that a lot of aspect can be caused bad on production run and final products, in the past in the quality inspection of titania and relevant country, in industry standard, also not about the method for inspection of covering power, cannot predict that supplied materials is hiding the result of use in look power by a unified standard, like this use titania time, because hide the difference of look power, the quality stability of finished product can be affected, in order to ensure the steady quality of titania, particularly hide the stable of look power, need to set up a kind of reliable method of inspection to ensure product quality.
Summary of the invention
The object of the invention is to overcome the defect that titania hides look force inspecting aspect, provide a kind of titania to hide the method for inspection of look power.
For realizing object of the present invention, have employed following technical scheme: a kind of titania hides the method for inspection of look power, comprises the following steps:
A: setting up of standard model, get the titanium dioxide sample applied in an actual production as standard model, according to quality than titania: iron oxide: talcum powder=2:1:1 takes each sample respectively and fully mixes, and is placed in muller, grinding 3 minutes, 5 minutes, 7 minutes, 9 minutes time sample 20.0g respectively, by whiteness instrument inspection whiteness, calculate the result difference between adjacent two sub-samplings, difference is less than 0.5%, judges that grinding evenly, end value is effective, using resultant value can as standard value;
B: by for the iron oxide of examination titanium dioxide sample and same batch in steps A, talcum powder according to quality than titania: iron oxide: talcum powder=2:1:1 takes each sample respectively and fully mixes, be placed in muller, grinding 3 minutes, 5 minutes, 7 minutes, 9 minutes time sample 20.0g respectively, by whiteness instrument inspection whiteness, calculate the result difference between adjacent two sub-samplings, difference is less than 0.5%, and judge that grinding evenly, end value is effective;
C: the step B result obtained is compared with the result of steps A, and test sample whiteness value is larger, illustrates that titania hides look power stronger; Test sample whiteness is less, illustrates that titania hides look power less, further, the titania quality taken in steps A, step B is 80-200g, and the titania mass number taken in steps A, step B is identical, further, described iron oxide is Black Rouge or red ferric oxide.
Positive Advantageous Effects of the present invention is: the inventive method is simple, be easy to implement, required equipment and personnel's small investment, cost is lower, and directly adopt the actual raw material titania in producing to be sample, adapt very strong mutually with the production technology of each product, so reliable results, the end value that the titanium dioxide test being applied to different batches through practical application this method goes out is with to hide the effect that look power is finally reflected on the final product produced basically identical, this be look-ahead different manufacturers/batch titania hide look power and provide reliable foundation, the titania meeting quality can be selected according to the index request of product, reliable results, effectively avoid the cost and quality problems that adjust in real time aborning and bring, the present invention is that titania screening look force inspecting has searched out an approach effectively reliably.
Embodiment
In order to explain enforcement of the present invention more fully, provide embodiment of the present invention, these embodiments are only to elaboration of the present invention, do not limit the scope of the invention.Muller used in the present invention is that Henan newly flies sun power science and technology scientific & technical corporation production model: HBD-300, whiteness instrument is the very lucky photoelectric instrument company limited in Hangzhou, intelligent measuring brightness instrument, WSB-VI type.
Embodiment one:
Setting up of standard model, get the titanium dioxide sample applied in an actual production as standard model, take 80g titania, according to quality than titania: iron oxide: talcum powder=2:1:1 takes each sample respectively and fully mixes, be placed in muller, grinding 3 minutes, 5 minutes, 7 minutes, 20.0g is sampled respectively when 9 minutes, by whiteness instrument inspection whiteness, calculate the result difference between adjacent two sub-samplings, difference is less than 0.5%, judge that grinding evenly, end value is effective, test result is as shown in following table one, using table one end value as standard value, standard value corresponds to the effect in each kind actual production, iron oxide black in following table refers to Black Rouge, and iron oxide red is to red ferric oxide.
Embodiment two: the test result of different enterprises sample:
By for the iron oxide of examination titanium dioxide sample and same batch in steps A, talcum powder according to quality than titania: iron oxide: talcum powder=2:1:1 takes each sample respectively and fully mixes, the titania quality taken is 80g, be placed in muller, grinding 3 minutes, 5 minutes, 7 minutes, 9 minutes time sample 20.0g respectively, by whiteness instrument inspection whiteness, calculate the result difference between adjacent two sub-samplings, difference is less than 0.5%, judge that grinding evenly, end value is effective;
Table two to table four is that actual test sample tests the result obtained:
When reality uses, compared by the whiteness value that test sample and standard model are recorded, the effect produced at according to standard sample and the Expected Results of product that will produce determine corresponding production technology, produce through practice and prove, the data connected applications that this method of testing obtains can produce good effect in production technology adjustment, the outward appearance consistance of product meets the demands completely, effectively avoid and originally can only carry out again adjusting brought various negative effects according to the result of trial application, be conducive to reducing costs, improve quality.
After detailed description embodiments of the present invention, the personage being familiar with this technology can be well understood to, do not departing under above-mentioned claim and spirit and can carry out various change and amendment, all above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all belong to the scope of technical solution of the present invention, and the present invention is not also limited to the embodiment of example in instructions.
Claims (3)
1. titania hides a method of inspection for look power, it is characterized in that comprising the following steps:
A: setting up of standard model, get the titanium dioxide sample applied in an actual production as standard model, according to quality than titania: iron oxide: talcum powder=2:1:1 takes each sample respectively and fully mixes, and is placed in muller, grinding 3 minutes, 5 minutes, 7 minutes, 9 minutes time sample 20.0g respectively, by whiteness instrument inspection whiteness, calculate the result difference between adjacent two sub-samplings, difference is less than 0.5%, judges that grinding evenly, end value is effective, using resultant value can as standard value;
B: by for the iron oxide of examination titanium dioxide sample and same batch in steps A, talcum powder according to quality than titania: iron oxide: talcum powder=2:1:1 takes each sample respectively and fully mixes, be placed in muller, grinding 3 minutes, 5 minutes, 7 minutes, 9 minutes time sample 20.0g respectively, by whiteness instrument inspection whiteness, calculate the result difference between adjacent two sub-samplings, difference is less than 0.5%, and judge that grinding evenly, end value is effective;
C: the step B result obtained is compared with the result of steps A, and test sample whiteness value is larger, illustrates that titania hides look power stronger; Test sample whiteness is less, illustrates that titania hides look power less.
2. a kind of titania according to claim 1 hides the method for inspection of look power, it is characterized in that: the titania quality taken in steps A, step B is 80-200g, and the titania mass number taken in steps A, step B is identical.
3. a kind of titania according to claim 1 hides the method for inspection of look power, it is characterized in that: described iron oxide is Black Rouge or red ferric oxide.
Priority Applications (1)
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| CN201510833080.3A CN105486642A (en) | 2015-11-26 | 2015-11-26 | Titanium dioxide opacity examination method |
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| CN201510833080.3A CN105486642A (en) | 2015-11-26 | 2015-11-26 | Titanium dioxide opacity examination method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828196A (en) * | 2018-04-28 | 2018-11-16 | 四川南联环资科技股份有限公司 | A kind of detection method differentiating quartz sand composition using sintering whiteness |
| CN110018035A (en) * | 2019-04-26 | 2019-07-16 | 安阳天助药业有限责任公司 | The method of inspection of edible color lake and titanium dioxide dispersion effect |
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Application publication date: 20160413 |