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
|
ICP-MS 3 mg/L ICP-OES
|
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
|
-
LOQ limit of quantification
-
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