Method of measuring carbonation levels in open-container beverages

An open container and measuring instrument technology, applied in the field of measuring carbon dioxide levels in beverages in open containers, can solve the problems of low accuracy and reliability, and achieve the effect of high accuracy and reliability

Active Publication Date: 2018-01-02
PEPSICO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such techniques are generally less precise and less reliable than the aforementioned techniques used in conjunction with bottled beverages

Method used

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  • Method of measuring carbonation levels in open-container beverages
  • Method of measuring carbonation levels in open-container beverages
  • Method of measuring carbonation levels in open-container beverages

Examples

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Embodiment 1

[0060] The following examples are provided for illustrative purposes and they should not be construed as limiting the scope of the invention. refer to figure 1 The flow chart shown in , this example shows a method for measuring carbonation levels in open soft drink cans using the previously described Anton Paar CarboQC instrument equipped with a piercing and filling device (PFD).

[0061] Sample flow should be checked at the outset. refer to image 3 , the flow through the measuring chamber 65 should be such that approximately 150 mL of sample is consumed when the fill time is set at approximately 30 seconds. The flow can be adjusted by turning the flow valve 62 clockwise to decrease the sample flow and counterclockwise to increase the sample flow. Significantly lower or higher flows can lead to erroneous measurements due to sample carryover or air bubbles in the measurement chamber 65 . Flow should be adjusted as needed before starting the test, but does not need to be ch...

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Abstract

Carbon dioxide levels in an open-container beverage are measured by transferring a quantity of the beverage to a vessel. A closure is secured onto the vessel to form an enclosed volume containing thebeverage. A probe is inserted through the closure to contact the beverage, and a sample is transferred from the vessel to a measurement instrument to determine the carbon dioxide level. The methods allow for significantly greater precision and reliability in measuring carbonation levels of open-container beverages relative to currently available techniques.

Description

Background technique [0001] Carbon dioxide levels in beverages can significantly affect taste and other characteristics, such as mouthfeel. For this reason, carbonation levels are usually closely monitored during the bottling operation. Various instruments are commercially available for determining the amount of carbon dioxide in bottled beverages. One common technique involves inserting a probe through the closure of a sealed container (such as a can or bottle containing a beverage) and transferring a liquid sample to the measurement chamber. After the measurement chamber is closed, its volume is expanded via a flexible membrane or a fluid-tight piston-type syringe mounted to the measurement chamber. After expansion an equilibrium pressure is established and the sample temperature is measured. The carbon dioxide level can then be calculated according to Henry's Law. US Patent 6,874,351 to Bloder et al. describes an apparatus suitable for measuring the dissolved amounts of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J5/00
CPCG01N7/00G01N21/4133G01N33/14G01N2001/2229G01N2001/2282G01N7/14G01N1/2226G01N21/43G01N33/004G01N2001/2232G01N2001/2285
Inventor A·巴哈列夫H·莫伊塞M·F·郑
Owner PEPSICO INC
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