colorimeter

简明释义

英[ˌkʌləˈrɪmɪtə(r)]美[ˌkʌləˈrɪmətər]

n. 色量计，色度计

英英释义

单词用法

同义词

反义词

例句

1.This colorimeter reading item is RGB band red.

该色度计的其中一项读数是RGB的蓝色频带。

2.This colorimeter reading has a value of 255.

该色度计读数的值为255。

3.This colorimeter reading is red.

该色度计的其中一项读数是红色。

4.This colorimeter reading is in RGB mode.

该色度计的读数是RGB方式。

5.This article describes a microcomputer which is used in a intelligent colorimeter.

本文介绍了用于智能化测色仪器的一种微机。

6.The colorimeter of claim 7, wherein the filters include one double layer and three single layers.

如权利要求7所述色度计，其中所述的滤波器包括一个双层和三个单层。

7.Tooth color was measured by eye and colorimeter after thinner ceramic veneer restoration.

前牙薄型瓷贴面前牙修复后目测及测色仪检测色彩。

8.This colorimeter reading is has a value of 255.

该色度计读数的值为255。

9.In environmental testing, a colorimeter 比色计 helps determine water quality by analyzing color changes.

在环境测试中，比色计通过分析颜色变化来帮助确定水质。

10.The food scientist employed a colorimeter 比色计 to analyze the color of different fruit juices.

食品科学家使用比色计分析不同果汁的颜色。

11.To check the pH level, we utilized a colorimeter 比色计 that provided accurate readings.

为了检查pH值，我们使用了一台提供准确读数的比色计。

12.A digital colorimeter 比色计 can give instant results for various chemical tests.

数字比色计可以为各种化学测试提供即时结果。

13.The lab technician used a colorimeter 比色计 to measure the concentration of the solution.

实验室技术员使用了一个比色计来测量溶液的浓度。

作文

In the field of chemistry and environmental science, precise measurements are crucial for accurate analysis. One essential instrument used for this purpose is the colorimeter. A colorimeter (比色计) is a device that measures the absorbance of particular wavelengths of light by a specific solution. This instrument is vital for determining the concentration of colored compounds in various solutions, which can be applicable in fields ranging from pharmaceuticals to water quality testing.The principle behind a colorimeter involves the absorption of light. When light passes through a colored solution, some wavelengths are absorbed while others are transmitted. The amount of light absorbed is directly related to the concentration of the colored substance in the solution, according to Beer-Lambert Law. This law states that absorbance is proportional to the concentration of the absorbing species and the path length of the light. Therefore, using a colorimeter, scientists can determine the concentration of unknown samples by comparing their absorbance to that of standard solutions.There are different types of colorimeters, including handheld devices and more complex laboratory instruments. Handheld colorimeters are often used in fieldwork, where portability is essential. They allow for quick and easy measurements of water quality parameters, such as turbidity and chlorophyll concentrations, which are important for assessing the health of aquatic ecosystems. On the other hand, laboratory colorimeters provide higher precision and can analyze multiple samples simultaneously, making them suitable for extensive research projects.The applications of colorimeters are vast. In the pharmaceutical industry, they play a critical role in quality control, ensuring that drug formulations contain the correct amounts of active ingredients. In environmental science, colorimeters are used to monitor pollutants in water bodies, helping to safeguard public health and preserve ecological balance. Furthermore, in food and beverage industries, colorimeters help maintain consistency in color, which can be a significant factor in consumer acceptance.Using a colorimeter requires careful calibration and adherence to standard operating procedures to ensure accurate results. Calibration involves adjusting the device to account for any variations in light source intensity or detector sensitivity. Regular maintenance and cleaning of the optical components are also necessary to prevent contamination and ensure reliable measurements.In conclusion, the colorimeter (比色计) is an indispensable tool in various scientific fields due to its ability to provide accurate measurements of light absorption in colored solutions. Its applications span across environmental monitoring, pharmaceutical quality control, and food production, highlighting its importance in both research and industry. As technology advances, the capabilities of colorimeters continue to improve, allowing for even more detailed analysis and broader applications. Understanding how to effectively use a colorimeter not only enhances scientific inquiry but also contributes to better decision-making in areas that impact our health and environment.

在化学和环境科学领域，精确的测量对于准确分析至关重要。其中一个必不可少的仪器是colorimeter（比色计）。colorimeter是一种测量特定溶液对特定波长光的吸收度的设备。这个仪器对于确定各种溶液中有色化合物的浓度至关重要，适用于从制药到水质测试等多个领域。colorimeter的原理涉及光的吸收。当光通过有色溶液时，一些波长会被吸收，而其他波长则会被透过。吸收的光量与溶液中有色物质的浓度直接相关，根据比尔-朗伯定律，这一定律指出，吸收度与吸收物质的浓度和光的路径长度成正比。因此，科学家可以通过将未知样品的吸收度与标准溶液进行比较，使用colorimeter来确定其浓度。colorimetercolorimeter通常用于现场工作，在那里便携性至关重要。它们允许快速且简单地测量水质参数，例如浊度和叶绿素浓度，这对于评估水生生态系统的健康非常重要。另一方面，实验室colorimeter提供更高的精度，并且可以同时分析多个样品，使其适合于广泛的研究项目。colorimeter的应用范围广泛。在制药行业，它们在质量控制中发挥着关键作用，确保药物配方中含有正确数量的活性成分。在环境科学中，colorimeter用于监测水体中的污染物，帮助保护公众健康和维护生态平衡。此外，在食品和饮料行业，colorimeter有助于保持颜色的一致性，这可能是消费者接受的重要因素。使用colorimeter需要仔细校准并遵循标准操作程序，以确保结果的准确性。校准涉及调整设备以考虑光源强度或探测器灵敏度的任何变化。定期维护和清洁光学组件也是必要的，以防止污染并确保可靠的测量。总之，colorimeter（比色计）是各个科学领域不可或缺的工具，因为它能够提供对有色溶液中光吸收的准确测量。它的应用跨越环境监测、制药质量控制和食品生产，突显了它在研究和工业中的重要性。随着技术的进步，colorimeter的能力不断提高，允许更详细的分析和更广泛的应用。有效使用colorimeter不仅增强了科学探究，还为影响我们健康和环境的领域做出更好的决策。