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Solid food acesulfame potassium pretreatment and rapid detection method

A technology of acesulfame potassium and detection method, applied in the field of chemistry, can solve problems such as no published patent documents and the like, and achieve the effects of convenient pretreatment and detection operations, fast and accurate detection, and fast and convenient pretreatment and detection

Inactive Publication Date: 2017-11-07
天津量信检验认证技术有限公司
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  • Application Information

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Problems solved by technology

[0005] Through the search of published patent documents, no published patent documents identical to this patent application have been found

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  • Solid food acesulfame potassium pretreatment and rapid detection method
  • Solid food acesulfame potassium pretreatment and rapid detection method
  • Solid food acesulfame potassium pretreatment and rapid detection method

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Embodiment Construction

[0041] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.

[0042] A method for pretreatment and rapid detection of acesulfame potassium in solid food, characterized in that: the method comprises the following steps:

[0043] 1) Standard solution preparation:

[0044] Accurately weigh the acesulfame potassium standard substance, dissolve and dilute it with ultrapure water, dilute to 1L with a 2:98 methanolic ammonium acetate mixed solution, and prepare acesulfame potassium standard mother solution with a concentration of 0.8g / L. Measure 0.05mL, 0.5mL, 2mL, 5mL, 8mL, 10mL of acesulfame potassium standard mother solution and dilute to 100mL to prepare 0.5mL / L, 5mL / L, 20mL / L, 50mL / L, 80mL / L, 100mL Acesulfame potassium standard solution of / L, standby;

[0045] 2) Sample solution pretreatment and prepa...

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Abstract

Provided is a solid food acesulfame potassium pretreatment and rapid detection method. The method is characterized by comprising the following steps of standard solution preparation, sample solution pretreatment and preparation and efficient liquid chromatography detection analysis; in the second step, different pretreatment methods are adopted for different kinds of food samples, and different kinds of interfering materials of acesulfame potassium detection are eliminated. Accordingly, design is scientific and reasonable, pretreatment and detection operation are convenient, impurity removal pretreatment is conducted on different samples by selecting different reagents, detection is more time-saving and accurate, the impurity of acesulfame potassium detection is improved, the detection limit is lowered, and the addition standard recovery reaches 98% or above.

Description

technical field [0001] The invention belongs to the technical field of chemistry and relates to a food detection method, in particular to a pretreatment and detection method of solid food acesulfame potassium. Background technique [0002] Acesulfame potassium, also known as acesulfame potassium, is a food additive, a chemical, similar to saccharin, soluble in water, mainly used to increase the sweetness and taste of food, but it does not have any nutrition itself, and it is It is not metabolized or absorbed in the body, and has strong stability to heat and acid. Because it is a synthetic sweetener, if people often eat foods containing synthetic sweeteners, acesulfame potassium will exceed the standard in the human body, which will cause harm to the liver and nervous system of the human body, especially for the elderly, pregnant women, and children The hazard is more serious. If a large amount of food is consumed in a short period of time, it will cause thrombocytopenia an...

Claims

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Application Information

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IPC IPC(8): G01N30/06G01N30/74
CPCG01N30/06G01N30/74
Inventor 刘然赵春光郭伟张克禄毕成良
Owner 天津量信检验认证技术有限公司
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