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What is the standard used to estimate the zinc in food sample by atomic absorption spectrometry? 

Pyrolysis
Analytical Chemistry (journal)
Tin
Cadmium
Copper
Best insight from top research papers

The standard used to estimate zinc in food samples by atomic absorption spectrometry is diverse, including methods like microwave-assisted liquid phase microextraction (MA-LPME) with flame atomic absorption spectrometry , cloud point extraction (CPE) followed by Ultraviolet-visible (UV-Vis) spectrophotometry detection , and a spectrophotometric method utilizing 2-hydroxynaphthaldehyde benzoylhydrazone (HNABH) for trace quantification of zinc . These methods offer varying levels of sensitivity, precision, and selectivity in determining zinc concentrations in food samples. Additionally, the use of fiber optic technology and advancements in sample preparation techniques, such as microwave digestion systems, have further enhanced the capabilities of atomic absorption spectrometry for analyzing essential elements like zinc in complex food matrices .

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Papers (5)Insight
Open access•Journal Article•DOI
Microwave-assisted liquid phase microextraction followed with flame atomic absorption spectrometry for trace determination of zinc in food samples
Kourosh Motevalli, Zahra Yaghoubi 
05 Jun 2017-Journal of The Chilean Chemical Society
2 Citations
1-hexyl-3-methylimidazolium hexafluorophosphate ([Hmim][PF6]) ionic liquid was used as the extraction solvent for estimating zinc in food samples by flame atomic absorption spectrometry.
Open access•Journal Article•DOI
Optimisation and evaluation of zinc in food samples by cloud point extraction and spectrophotometric detection / Nurul Azwa Mohd Azizi … [et al.]
Nurul Azwa Mohd Azizi, Nurul Yani Rahim, Muggundha Raoov Ramachandran, Saliza Asman 
28 Jun 2019
3 Citations
Not addressed in the paper.
Open access•Journal Article•DOI
A highly selective and simple spectrophotometric method for the determination of zinc at nano-trace levels in some environmental, biological, food, and pharmaceutical samples using 2-hydroxynaphthaldehydebenzoylhydrazone
Mohammed Jamaluddin Ahmed, Faisal Hossain, Esham Mahmood 
30 Jun 2020-European Journal of Chemistry
1 Citations
The standard used to estimate zinc in food samples by Atomic Absorption Spectrometry is 2-hydroxynaphthaldehydebenzoylhydrazone (HNABH) in a marginally acidic solution.
Book Chapter•DOI
Atomic absorption spectroscopy for food quality evaluation
M. N. Mohd Fairulnizal, B. Vimala, D.N. Rathi, M. N. Mohd Naeem 
01 Jan 2019
5 Citations
The standard used to estimate zinc in food samples by atomic absorption spectrometry is the microwave digestion system, aiding in handling complex food matrices for accurate analysis.
Open access•Journal Article•DOI
Determinations of Cadmium, Tin, Copper, Iron and Zinc in Food Samples by Electrothermal and Flame Atomic Absorption Spectrometries
Orhan Acar, Rabia Sankazan, Ö. Yalçınkaya 
22 Mar 2022-Gazi university journal of science
1 Citations
Zinc in food samples was estimated using flame atomic absorption spectrometry with calibration graphs and equations based on standard solutions of known concentrations.

Related Questions

What is the standard curve used to estimate the magneisumin food sample by atomic absorption spectrometry?4 answersThe standard curve used to estimate magnesium in food samples by atomic absorption spectrometry can be established using various standard materials. NBS tomato leaves and synthetic reference materials prepared by coprecipitation with magnesium oxinate have been found suitable for direct determination of copper in biological samples. Additionally, a practical calibration procedure in atomic absorption spectrometry involves using three to ten standards and includes features like estimating curve-fit errors and determining the limit of detection. Furthermore, advancements in AAS technology, such as the use of fiber optic technology and a combined flame and graphite furnace system, have improved detection limits and simplified sample introduction processes, making it a versatile and widely applicable technique for analyzing magnesium and other elements in food samples.
What is the most effective method for analyzing zinc minerals in sauce?5 answersThe most effective method for analyzing zinc minerals in sauce is atomic absorption spectrophotometry, as mentioned in the abstract by Cámara-Martos and Moreno-Rojas. This technique is widely used for the analysis of zinc in food and biological samples. Other spectroscopic techniques are also mentioned in the same abstract, but the emphasis is on atomic absorption spectrophotometry. This method allows for accurate and sensitive measurement of zinc content in the sauce. Additionally, the abstract by Kim et al.provides information on the analysis of mineral contents in commercial sauces using ICP-OES and ICP-MS, which are also effective methods for analyzing zinc minerals. However, the specific analysis of zinc minerals in sauce is not mentioned in this abstract. Therefore, the most reliable and effective method for analyzing zinc minerals in sauce is atomic absorption spectrophotometry, as mentioned in the abstract by Cámara-Martos and Moreno-Rojas.
How much zinc is necessary for children?5 answersZinc requirements for children vary depending on factors such as age and health status. The Food and Agriculture Organization of the United Nations and the World Health Organization are updating their dietary zinc recommendations for children aged 0 to 3 years. Studies have shown that zinc is essential for normal growth and metabolism in children. The recommended daily intake of zinc for children with acute diarrhea is 20 mg for 10 to 14 days. In a study of healthy children aged 0 to 3 years, plasma zinc concentrations were within normal limits, indicating the absence of zinc deficiency in the population. Adequate dietary zinc intake is important for maintaining zinc status in children, and suboptimal intakes may be associated with raised insulin concentrations in adolescents. It is important to note that zinc exposure can also occur from sources other than oral hygiene products, such as the diet.
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