博文

How To Tidy And Maintain Accuracy Balances And Analytical Balances

图片
  Measuring mass is an integral part of lab work. Specialized balances permit researchers as well as technicians to do this work with accuracy as well as precision. When making a decision which sort of balance to make use of in the lab, the question of accuracy is key. Much more precise balances produce measurements with more digits to the right of the decimal point (likewise known as considerable figures). The accuracy of a balance depends on its resolution, which is the smallest increment in used weight that the range can find as well as present. Resolution is usually given up grams, as well as is occasionally called readability or department. This article includes the complying with basic "do's and do n'ts," in addition to other handy recommendations: Initially, get rid of powder and also dust from the balance. Make use of a tissue to do this, as opposed to attempting to blow the dust off of the instrument, which might accidentally relocate dust or other products i...

Cleaning a Laboratory Balance

图片
  Cleaning a Laboratory Balance Laboratory Balance supplier  explains the procedure for cleaning a lab (bench top) balance (both analytical balance and precision balance). It is developed to advise laboratory employees on how to continue for extensive cleaning of a balance. The sanitation of a research  laboratory balance  can have a considerable effect on functional effectiveness and balance life time, in addition to customer safety and security. Cleansing Regulations-- Do's and also Do n'ts Make sure personnel are instructed on just how to clean balances. Inaccurate handling might trigger damages to the evaluating system or the electronics. First get rid of powder and also dirt, then sticky compounds. For powder and dust utilize a cells. Never ever impact; this could carry dirt or spilled sample products inside the balance. For elimination of sticky compounds, utilize a moist lint-free fabric as well as mild solvent (Isopropanol or Ethanol 70%); prevent unpleasant ...

Distinction Between an Analytical Balance and a Precision Balance

图片
  What is the difference between an   Analytical balance   and also a Precision Balance? There are numerous sorts of research laboratory balances offered to pick from. Each with various features and also recommendation for usage. Before acquiring an balance below are a few concerns to take into consideration when buying new lab devices. The application that will certainly be measured, the optimum ability required, as well as the precision needed. In today's article, we will be covering the distinctions between an analytical balance as well as an precision balance. Analytical balance Analytical balances have actually been made to determine tiny mass at wonderful accuracy. Usually utilized in quantitative chemical analysis, analytical balances are extremely sensitive and also are able to measure 4 decimal places to the right of the decimal point as well as with the ability of action samples as much as 320g. A logical balance is so delicate air currents can influence the mea...

The Weighing is always Inaccurate?

图片
  When the   0.01g lab electronic balance   used, the weighing is always inaccurate? Do you have a good analysis of what caused it? In general, there are many reasons for the inaccurate weighing of samples in laboratory analysis, which can be roughly divided into several reasons such as analytical balance calibration, installation, environmental and physical factors of the sample, and improper operation. 1.The Analytical Balance Has not Been Calibrated Before Use Before using an analytical balance, you must first confirm its correctness, otherwise the correctness of the balance cannot be guaranteed. Analytical balances should be calibrated regularly from the first use. Balances that are used continuously are calibrated approximately once a week. Calibration should be carried out in accordance with the specified procedures, and standard weights must be used for calibration, otherwise the calibration will not be effective. 2.Incorrect Installation of Analytical Balance When...

15 Questions about Laboratory Analytical Balance(Part 1)

图片
  Question 1. Does the laboratory have to establish a special balance room to place one-thousandth of the balance? Can it be directly placed on a separate sky platform in the testing room? The environmental condition requirements of this level of balance are generally that the temperature is not more than 30 degrees Celsius, the humidity is not more than 85%, and the temperature difference during operation does not exceed 5 degrees Celsius; but whether it can be directly placed in a separate overhead platform in the testing room should also consider whether the room is There are corrosive gas, vibration and air flow, etc., if all are satisfied, it can be released. Question 2: Should the silica gel in the  laboratory balance  be replaced regularly, and how often should it be replaced? Experts suggested not to put desiccant in the balance, but to control the temperature and humidity in the balance. If you really want to put it, it is based on the actual situation, and half ...

History of the Rotary Viscometer

图片
  Digital rotational viscometer  is used to measure the viscosity resistance of liquids and liquids, and is widely used to determine the viscosity of various fluids such as grease, paint, plastic, food, medicine, cosmetics, adhesive products and so on. With the development of science and the improvement of industrial production, measuring the viscosity of substances has become very important, and can be used to determine the viscosity and flow behavior of polymer liquids. Because most polymers are processed and formed under viscous flow conditions, for the determination of polymer viscosity, the mastered performance rules are very important in the polymer production process. The existing  viscosity meter  mainly has several types of drum type, cone plate type and parallel plate. History of rotational viscometer The rotational viscosity measurement method pioneered by the American family uses the unique relationship between the shear and resistance between the rotor a...

How to Use Viscometer Correctly?

图片
  Viscosity meter   is widely used to measure the dynamic viscosity of various fluids such as resins, inks, paints, paints, foods, medicines, adhesives and so on. Because of its simple structure, moderate price, convenience and practicality, it is very popular. In the long-term verification process, we found that many users, especially the testers of small and medium-sized enterprises, have some problems in the process of using the viscometer, and the performance of the tested instruments is often better than the requirements of the national metrological verification regulations. Or it has already reached Brookfield's calibration standards, but the user's data is very different when actually testing the sample. Digital Rotational Viscometer How can we obtain accurate and reliable measurement results? Proper use of  digital rotational viscometer , pay attention to the following points NO 1 Blacksmith need its own hardware! The performance index of the instrument must first...