On August 29, 2007, Horiba Manufacturing Co., Ltd. will launch a new model "LA-950V2" for measuring particle size distribution of particle size by laser. The object to be measured includes, in addition to the powder, mist-like particles such as a spray, slurry particles, and the like. Since there are five test sample pretreatment methods and eight detachable attachments, it is possible to measure particles that have been difficult to handle before. The new model can be used for research and development and quality management of ceramic powder materials, resins, adhesives, catalysts, abrasives, etc. In terms of standard prices, the standard type is 9.8 million yen.
In addition to the standard method of dispersing test samples in water and ethanol, the pretreatment method of the new model has the following four methods: (1) direct injection of tap water (2) large-capacity (3) organic solvent Formula (4) has no circulatory system.
Since the treatment method (1) is directly injected into the dispersion solution from the pressurized piping of tap water, it is not necessary to prepare a tank for dispersing the solution and a step of injecting the liquid.
Method (2) Since the amount of the dispersion solution is 5 times that of the standard method, the test sample of 5 times the standard method can be measured once. When the test sample in which the measured value is prone to error and the test sample in which the particles of various sizes are mixed are measured, the reproducibility is as high as 2 to 3 times as much as the previous one.
The method (3) can use an organic solvent as a dispersion liquid. It is suitable for the determination of test samples that are not easily soluble in water and test samples that cannot be stably dispersed without using an organic solvent.
The method (4) is a processing method when an accessory is installed. As an accessory, there are eight types of batch type container holders, slurry container holders, and dry measurement units. The batch type container can measure 10 mL of the test sample solution, and the slurry container holder is suitable for measuring a test sample in which the magnetic test sample is easily changed after being placed. The dry measuring unit can measure the pulverized fluid in a dry state.
The measurement range is from 10 nm to 3 mm. The time from the injection of the dispersant to the cleaning cycle system and the distribution of the particle diameter is about 1 minute. With the same optical system as the previous model, the time required for the measurement is shortened by providing a high-power pump in the circulation system. Since it can be measured in a wide range in a short time, it is suitable for the field of quality management where frequent measurement is required. The installation of the accessories does not require tools, making it easy to use in research areas where test samples are frequently changed.
In addition to the standard method of dispersing test samples in water and ethanol, the pretreatment method of the new model has the following four methods: (1) direct injection of tap water (2) large-capacity (3) organic solvent Formula (4) has no circulatory system.
Since the treatment method (1) is directly injected into the dispersion solution from the pressurized piping of tap water, it is not necessary to prepare a tank for dispersing the solution and a step of injecting the liquid.
Method (2) Since the amount of the dispersion solution is 5 times that of the standard method, the test sample of 5 times the standard method can be measured once. When the test sample in which the measured value is prone to error and the test sample in which the particles of various sizes are mixed are measured, the reproducibility is as high as 2 to 3 times as much as the previous one.
The method (3) can use an organic solvent as a dispersion liquid. It is suitable for the determination of test samples that are not easily soluble in water and test samples that cannot be stably dispersed without using an organic solvent.
The method (4) is a processing method when an accessory is installed. As an accessory, there are eight types of batch type container holders, slurry container holders, and dry measurement units. The batch type container can measure 10 mL of the test sample solution, and the slurry container holder is suitable for measuring a test sample in which the magnetic test sample is easily changed after being placed. The dry measuring unit can measure the pulverized fluid in a dry state.
The measurement range is from 10 nm to 3 mm. The time from the injection of the dispersant to the cleaning cycle system and the distribution of the particle diameter is about 1 minute. With the same optical system as the previous model, the time required for the measurement is shortened by providing a high-power pump in the circulation system. Since it can be measured in a wide range in a short time, it is suitable for the field of quality management where frequent measurement is required. The installation of the accessories does not require tools, making it easy to use in research areas where test samples are frequently changed.
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