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Table 6 Sample materials with initial weight, digestion additives and LOQ

From: Migration of aluminum from food contact materials to food—a health risk for consumers? Part I of III: exposure to aluminum, release of aluminum, tolerable weekly intake (TWI), toxicological effects of aluminum, study design, and methods

Sample Initial weight/initial volume Digestion additive LOQ
Water 0.001 mg/L
Oil 0.5 g HNO3, H2O2, H2O 0.1 mg/kg
Citric acid 2.5 mL HNO3, H2O2, H2O 0.02 mg/L
Tea bag and granulated Teaa (instant lemon-tea drink) 5 mL HNO3, H2O2 0.005 mg/L
Lemon juice 1 mL HNO3, H2O2, H2O 0.025 mg/L
Apple juice with mineral water 5 mL HNO3, H2O2 0.005 mg/L
Meat filled pasta (ravioli) 1 g HNO3, H2O2, H2O 0.025 mg/kg
Fish 1 g HNO3, H2O2, H2O 0.025 mg/kg
Espresso 5 mL HNO3, H2O2 0.005 mg/L
Ground coffee 0.5 g HNO3, H2O2, H2O 0.5 mg/kg
  1. LOQ limit of quantification
  2. aList of ingredients according to the manufacturer: sugar, glucose, acidifier citric acid, cold-water soluble black tea extract 1.28%, vitamin C, lemon extract powder (maltodextrin, lemon juice concentrate), aroma