知识 What is KBr used for in IR Spectroscopy? 4 Key Applications
作者头像

技术团队 · Kintek Solution

更新于 2个月前

What is KBr used for in IR Spectroscopy? 4 Key Applications

Infrared (IR) spectroscopy is a powerful analytical technique used to study the molecular structure of various materials.

KBr, or potassium bromide, plays a crucial role in this process, particularly in the preparation of samples for IR spectroscopy.

This article will explore the primary uses of KBr in IR spectroscopy, focusing on the KBr pellet method and its advantages.

What is KBr used for in IR Spectroscopy? 4 Key Applications

What is KBr used for in IR Spectroscopy? 4 Key Applications

1. Sample Preparation for IR Spectroscopy

IR spectroscopy requires that the sample material be transparent to infrared radiation.

Salts like KBr, NaCl, and AgCl are chosen for this purpose due to their transparency in the IR region.

These salts are used to prepare samples in various forms, such as mulls, solutions, and pellets.

2. KBr Pellet Method

The KBr pellet method is a common technique for preparing solid samples for IR spectroscopy.

In this method, the sample is mixed with KBr in a 1:100 ratio and then compressed using a hydraulic press.

The pressure applied during this process causes the KBr to become plastic and form a transparent sheet.

This pellet is then analyzed using an FTIR spectrometer.

The transparency of the KBr pellet allows infrared radiation to pass through, facilitating the detection of sharp peaks and high-resolution spectra.

3. Advantages of KBr Pellet Method

The use of KBr in pellet preparation offers several advantages.

It provides a uniform distribution of the sample, which is crucial for obtaining reproducible and reliable spectra.

Additionally, the method is suitable for a wide range of sample types, including powders and solid materials that might not be easily analyzed using other techniques.

4. Alternative Methods

While the KBr pellet method is widely used, other techniques such as the mull technique and solid run in solution are also employed depending on the nature of the sample and the specific requirements of the analysis.

Each method has its advantages and is chosen based on the properties of the sample and the information required from the IR spectrum.

Continue exploring, consult our experts

Discover the precision of KINTEK SOLUTION's KBr pellets, the cornerstone of accurate IR spectroscopy sample preparation.

Our high-quality KBr pellets offer transparency in the IR region, ensuring detailed, high-resolution spectral analysis for reliable sample characterization.

Join us in enhancing your spectroscopic research with the trusted choice in IR sample preparation.

Explore our range today and elevate your analytical capabilities!

相关产品

氟化钾 (KF) 溅射靶材/粉末/金属丝/块/颗粒

氟化钾 (KF) 溅射靶材/粉末/金属丝/块/颗粒

以优惠的价格为您的实验室需求提供最优质的氟化钾 (KF) 材料。我们量身定制的纯度、形状和尺寸可满足您的独特要求。查找溅射靶材、涂层材料等。

氟化钡(BaF2)衬底/窗口

氟化钡(BaF2)衬底/窗口

BaF2 是最快的闪烁体,因其卓越的性能而备受青睐。其窗口和板材对紫外和红外光谱分析具有重要价值。

实验室用光学超白玻璃板 K9 / B270 / BK7

实验室用光学超白玻璃板 K9 / B270 / BK7

光学玻璃虽然与其他类型的玻璃有许多共同特征,但在制造过程中使用了特定的化学物质,从而增强了光学应用的关键特性。

30T / 40T / 60T 全自动实验室 XRF 和 KBR 压粒机

30T / 40T / 60T 全自动实验室 XRF 和 KBR 压粒机

使用 KinTek 自动实验室压丸机快速、轻松地制备 X 射线样品颗粒。X 射线荧光分析功能多样,结果准确。

无碱/硼铝硅酸盐玻璃

无碱/硼铝硅酸盐玻璃

硼铝硅酸盐玻璃具有很强的抗热膨胀性,因此适用于需要抗温度变化的应用,如实验室玻璃器皿和烹饪用具。

液氮低温振动球磨机

液氮低温振动球磨机

Kt-VBM100 是一款实验室台式高性能振动球磨筛分两用仪器,体积小、重量轻。振动频率为 36000 次/分钟的振动平台可提供能量。

混合式高能振动球磨机

混合式高能振动球磨机

KT-BM400 用于在实验室快速研磨或混合干、湿和冷冻的少量样品。可配置两个 50 毫升的球磨罐

用于电解水的二氧化铱 IrO2

用于电解水的二氧化铱 IrO2

二氧化铱,其晶格为金红石结构。二氧化铱和其他稀有金属氧化物可用于工业电解的阳极电极和电生理研究的微电极。

高纯硼(B)溅射靶材/粉/丝/块/粒

高纯硼(B)溅射靶材/粉/丝/块/粒

根据您的特定实验室需求量身定制经济实惠的硼(B)材料。我们的产品包括溅射靶材、3D 打印粉末、圆柱、颗粒等。立即联系我们。

MgF2 氟化镁晶体衬底/窗口

MgF2 氟化镁晶体衬底/窗口

氟化镁(MgF2)是一种四方晶体,具有各向异性,因此在进行精密成像和信号传输时,必须将其作为单晶体处理。

碳化硼 (BC) 溅射靶材/粉末/金属丝/块/颗粒

碳化硼 (BC) 溅射靶材/粉末/金属丝/块/颗粒

以合理的价格为您的实验室需求提供高质量的碳化硼材料。我们可定制不同纯度、形状和尺寸的碳化硼材料,包括溅射靶材、涂层、粉末等。

氟化钡 (BaF2) 溅射靶材/粉末/金属丝/块/颗粒

氟化钡 (BaF2) 溅射靶材/粉末/金属丝/块/颗粒

以合理的价格购买氟化钡 (BaF2) 材料。我们可根据您的需要提供各种溅射靶材、涂层材料、粉末等。立即订购。

有机物质的蒸发坩埚

有机物质的蒸发坩埚

有机物蒸发坩埚,简称蒸发坩埚,是一种在实验室环境中蒸发有机溶剂的容器。

钛酸钡(BaTiO3)溅射靶材/粉末/金属丝/块/颗粒

钛酸钡(BaTiO3)溅射靶材/粉末/金属丝/块/颗粒

了解我们为实验室定制的钛酸钡 (BaTiO3) 材料系列。我们为溅射靶材、涂层材料、粉末等提供多种规格和尺寸选择。如需了解合理的价格和量身定制的解决方案,请立即联系我们。

电子枪光束坩埚

电子枪光束坩埚

在电子枪光束蒸发中,坩埚是一种容器或源支架,用于盛放和蒸发要沉积到基底上的材料。


留下您的留言