Color measurements of turbid liquids

A turbidity, color technology, applied in the direction of color measurement device, color/spectral property measurement, color matching, etc., can solve the problem of changing color, changing product and color, etc.

Inactive Publication Date: 2020-09-25
OTERRA AS +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

but this changes the color
Others also suggest removing particles from cloudy liquids by filtration or centrifugation to make the liquid clear, but this changes the product and color

Method used

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  • Color measurements of turbid liquids
  • Color measurements of turbid liquids
  • Color measurements of turbid liquids

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0248] Color Measurement of Yellow Liquids

[0249] With 0.3g / L beverage, apply to yellow transparent emulsion ( Yellow 010 WSS) standard soft drink (11.0°B–pH=3.0, made from sucrose, citric acid, potassium sorbate and sodium benzoate as preservatives). Gradually apply clouding agent (for increasing cloudiness of white emulsion) from 0-1.5g / L beverage, see Table 1.

[0250] Table 1. Concentrations of clouding agents versus measured turbidity.

[0251]

[0252] Measure color using two methods 1-A and 1-B:

[0253] 1-A: Colorimetric value measured using the existing spectrocolorimeter Datacolor 650:

[0254] Table 2. Colorimetric values ​​measured with Datacolor 650

[0255]

[0256] as well figure 1 shown.

[0257] 1-B: Colorimetric values ​​measured according to the present invention:

[0258] Table 3. Colorimetric values ​​measured according to the invention.

[0259]

[0260] as well figure 2 shown.

[0261] All three values ​​L*, C* and h obtained with ...

Embodiment 2

[0265] Color Measurement of Green Liquids

[0266]0.3, 0.33 or 0.36g / L beverage, combined with 0.6g / L turbidity agent (for increasing turbid white emulsion), applied to green emulsion ( Green 801 WSS) standard soft drink (11.0°B - pH = 3.0, made from sucrose, citric acid, potassium sorbate and sodium benzoate as preservatives).

[0267] 2-A: Colorimetric values ​​measured using the existing spectrocolorimeter Datacolor 650:

[0268] Table 4. Colorimetric values ​​measured with Datacolor 650.

[0269] Color dose, unit g / L L* C* h DE2000 0.30 31.51 27.99 126.36 refer to 0.33 29.95 28.21 127.83 1.31 0.36 28.71 28.34 128.93 2.34

[0270] 2-B: Colorimetric value measured according to the present invention:

[0271] Table 5. Colorimetric values ​​measured according to the invention.

[0272] Color dose, unit g / L L* C* h DE2000 0.30 72.51 52.84 151.09 refer to 0.33 69.76 54.45 150.77 2.15 0.36 67.38...

Embodiment 3

[0279] Color Measurement of Pink Liquids

[0280] With 0.120, 0.132 or 0.144g / L beverage, combined with 0.6g / L turbidity agent (for increasing turbid white emulsion), applied to pink turbid emulsion ( Red 500 WS) standard soft drink (11.0°B - pH = 3.0, made with sucrose, citric acid, potassium sorbate and sodium benzoate as preservatives).

[0281] 3-A: Colorimetric values ​​measured using the existing spectrocolorimeter Datacolor 650:

[0282] Table 6. Colorimetric values ​​measured using Datacolor 650.

[0283] Color dose, unit g / L L* C* h DE2000 0.120 33.92 34.48 28.07 refer to 0.132 33.12 35.73 27.54 0.84 0.144 32.40 37.09 26.64 1.70

[0284] 3-B: Colorimetric values ​​measured according to the present invention:

[0285] Table 7. Colorimetric values ​​measured with the present invention.

[0286] Color dose, unit g / L L* C* h DE2000 0.120 76.24 55.11 7.35 refer to 0.132 74.72 58.34 7.28 1.43 ...

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Abstract

The present invention relates to a device and method for measuring color of a turbid liquid to thereby give a result matching a visual observation.

Description

technical field [0001] The invention relates to the field of color measurement of turbid liquids. Background technique [0002] Color measurement systems help improve supply chain operational efficiency and product quality. For example, in the food industry, especially in the manufacture of beverages, confectionary, dairy and prepared foods that rely on digital color workflows, precise color assessment and visualization is required. [0003] In many industries it is important to get product color right during production and ensure color stability during storage prior to use and when added to other products. For clear liquids, the color is easy to measure, but the color of turbid turbid liquids that scatter light cannot be measured accurately because the backscatter from the turbidity interferes with the measurement. Existing methods of measuring the color of liquids include the use of a spectrocolorimeter which can give good results for clear solutions, but is not efficien...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): G01J3/02G01J3/46G01N21/25
CPCG01J3/0254G01J3/0251G01J3/463G01N21/251G01J3/0218G01N33/03G01N33/04G01N33/14G01N2201/08
InventorF·热尼特S·维勒莫特-科森尼M·加尔登-沙佩勒特
OwnerOTERRA AS