Palm Oil Metal Concentrations from Bahia, Brazil, Analyzed via FAAS

A study developed a method for determining calcium, magnesium, manganese, iron, and zinc concentrations in palm oil samples using flame atomic absorption spectrometry. The method, optimized via constrained mixture design, was applied to samples collected in Bahia State, Brazil, with reported detection limits between 0.012 and 0.057 mg L-1. Concentrations found in the samples ranged from 3.93-13.9 mg L-1 for Ca, 0.37-2.26 for Mg, >LOQ-0.32 for Mn, 1.77-8.57 for Fe, and 0.38-2.54 for Zn.

Use Cases

• Comparing metal analysis methods based on reported limits of detection and quantification.
• Assessing metal contamination levels in palm oil based on concentration ranges for five elements.
• Optimizing analytical procedures for food samples based on the described constrained mixture design approach.
• Evaluating method accuracy based on reported recovery test results (87-113%).

Strengths

• Method validation includes specific detection limits (0.012-0.057 mg L-1) and quantification limits (0.039-0.19 mg L-1).
• Precision is quantified with repeatability values (%RSD) between 1.8 and 3.2% for the five metals.
• Accuracy is supported by recovery test results ranging from 87% to 113% and comparison with a standard method.
• Concentration ranges for five metals (Ca, Mg, Mn, Fe, Zn) in the palm oil samples are explicitly provided.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

Gisseli Souza Valasques via paperswithcode.

Collection Method

Metal concentrations determined via a developed flame atomic absorption spectrometry method after ultrasound-assisted emulsification and extraction induced by emulsion breaking.

Geography

Bahia State, Brazil.