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A general introduction to Lab Analytical instrument

Lab Analytical instrument

The analytical instrument is the most common tool to measure the properties of a material. Analytical instruments can take various shapes, but their function and purpose are the same: measuring materials’ physical and chemical properties. The primary goal of an analytical instrument is to convert raw data points into numerical values. To do this, analyzers employ various methods such as dilution, colorimetric, magnetism, etc. As a result, a wide variety of analytical instruments come in various shapes and forms.

Basic information:

Analytical instruments are then used to determine the essential properties of a solid, liquid, or gas. They measure the physical and chemical properties of a sample from the composition to its physical state.

  1. Scientific instruments:
  2. Semi-automated or automated instruments:
  3. Specialized:

There are two types of analytical instruments: analytical balances and chemical analysis systems (CAS):

Analytical balances

Analytical balances are instruments that weigh objects while completely immersing the objects in a liquid measuring container. Can be used most often in educational laboratories by weighing small samples of various materials and liquids to calculate the density. The most important aspect of an analytical balance is its accuracy; it must be able to detect the slightest differences between different weights. In addition, analytical balances vary in size; some analyzers can detect a weight of as low as 0.05 milligrams, whereas others can weigh up to 50 kilograms.

Application of Analytical balances:

The most common use of analytical balances is in chemical analysis. In this science, the weight and density of a sample are measured. An example would be measuring the density and the weight of water to determine the specific gravity. Because most liquids are denser than air, an object submerged in a liquid will have a greater gravitational effect than an object with nothing else around it but air. This effect also applies to air; however, it is not as drastic because air has much more volume than liquids.


  • Additional information: To take measurements, the user must zero out the analytical balance. Before taking actual measurements, an instrument is usually zeroed out to ensure that it is accurate and that no mistakes will occur. The process of zeroing out an instrument can be manual or automatic. To do a manual zeroing-out exercise, the weight of one specific object is measured multiple times and recorded by hand. After this, the user can use the analytical balance for actual measuring purposes. Zeroing-out can also be completed automatically if a built-in feature on the analytical balance does not allow for any movement unless it has been zeroed out first.


  • Range: Most analytical balances have a standard range of 0.05 milligrams to 5 kilograms. The most common types are 5kg and 10kg, and they can also be found in capacities of 50kg, 100kg, 200kg, 500kg, and 1000kg, although most laboratories do not need to weigh materials that are heavier than this. It is also important to note that the larger the capacity is, the more expensive the balance will be.

Chemical analysis systems

They measure samples using chemistry principles, such as pH and acidity. An example of a chemical analysis system is the spectrophotometer, which uses a light source to calculate sample solutions by examining their absorption spectra or colors as they interact with light. You can easily buy this Science Lab Equipment at reliable prices by visiting Global lab supply.

  • Application of chemical analysis system: Chemical analysis systems are used to measure chemicals and, in the biophysics field, to analyze blood and urine samples. The most common use of chemical analysis systems is to measure pH and acidity levels.


  • Additional information: Many laboratories have progressed beyond manual weighing of materials and have turned to analytical instruments to simplify their work methods and processes. Analytical instruments are inexpensive, accurate, and can be used for various applications within the scientific field.


  • Range: Analytical instruments have a wide range of uses. For example, they can measure the color and density of various liquids and pH levels. Along with high range, the chemical analysis system includes a few drawbacks too. The major disadvantage of analytical balances is that they cannot detect very small amounts of substances, which the instruments in laboratories use. These instruments are typically used for precise measurements for various purposes both within and outside the laboratory.


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