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Method for measuring benzene and benzene series in printing ink

A printing ink and measuring method technology, applied in the field of chemical analysis and detection, to achieve the effect of high degree of automation, good repeatability and high sensitivity

Active Publication Date: 2010-11-03
ZHENGZHOU TOBACCO RES INST OF CNTC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no report on the detection technology of benzene and benzene series in printing ink

Method used

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  • Method for measuring benzene and benzene series in printing ink
  • Method for measuring benzene and benzene series in printing ink
  • Method for measuring benzene and benzene series in printing ink

Examples

Experimental program
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Effect test

Embodiment 1

[0048]In the assay method of the present embodiment: select a portion of red ink for gravure printing as sample A, the internal standard solution is a glycerol triacetate solution of fluorobenzene with a mass percent concentration of 0.45 μg / mL, and the headspace of the sample and the standard sample The treatment temperature was 80°C, and the shaking equilibrium time was 30 minutes. The results of the measurement are shown in Table 5.

[0049] Table 5 Detection results of benzene and benzene series in printing ink sample A

[0050]

Embodiment 2

[0052] In the assay method of the present embodiment: a black ink for gravure printing is selected as sample B, and the internal standard solution is a glycerol triacetate solution of fluorobenzene with a mass percent concentration of 0.30 μg / mL. The treatment temperature was 85°C, and the shaking equilibrium time was 40 minutes. The results of the measurement are shown in Table 6.

[0053] Table 6 Detection results of benzene and benzene series in printing ink sample B

[0054]

Embodiment 3

[0056] In the assay method of the present embodiment: a portion of UV black ink is selected as sample C, and the internal standard solution is a glycerol triacetate solution of fluorobenzene with a concentration of 0.45 μg / mL in mass percent, and the headspace treatment temperature of the sample and the standard sample The temperature is 80°C, and the shaking equilibrium time is 30 minutes. The measured results are shown in Table 7.

[0057] Table 7 Detection results of benzene and benzene series in printing ink sample C

[0058]

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Abstract

The invention discloses a method for measuring benzene and benzene series in printing ink. In the method, fluorobenzene is used as an internal standard substance, and the benzene and benzene series content of the printing ink is measured by headspace gas chromatography-mass spectrometry. The measuring method has the advantages of simple sample pretreatment, high automation degree of the whole operation, high measurement sensitivity and repeatability, capability of realizing measurement continuity, and suitability for simultaneous, quick and accurate detection of the benzene and benzene series content of batch printing ink. The invention provides a method and scientific evidences for analyzing and controlling the benzene and benzene series content of the printing ink.

Description

technical field [0001] The invention belongs to the technical field of chemical analysis and detection, and in particular relates to a method for measuring benzene and benzene series in printing ink. Background technique [0002] Printing ink is used in a large number of food, medicine and cigarette packaging, but it contains a large number of toxic and harmful chemical substances such as residual solvents, heavy metals and polycyclic aromatic hydrocarbons, which can pollute the contents of the packaging through chemical migration, especially benzene and benzene series Residues of substances such as benzene, toluene, ethylbenzene, o-xylene, m-xylene, and p-xylene are the most harmful to the human body. Even if the content is very low, they will also have carcinogenic and teratogenic effects. Compared with traditional solvent-based inks, UV inks, as a new type of green and environmentally friendly ink, have been more and more widely used in the printing industry in recent yea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/02G01N30/72
Inventor 陈再根李中皓唐纲岭刘楠胡清源边照阳庞永强侯宏卫李雪张洪非陈欢姜兴益闪红光
Owner ZHENGZHOU TOBACCO RES INST OF CNTC
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