TABLE IX

Comparison of Three-Acid Digestion vs Extractions of HDPE Bottle (Ti Filler)

ElementAcid Digestion (μg/g)Extraction with Water (μg/g)Extraction with 0.1N HCl (μg/g)Extraction with Buffer1 (μg/g)
Al89<1924
Ca8<1<17
Fe5<1<1<1
Sn<5ND2ND2ND2
Ti3860<1<1<1
Zn214292055

  • ↵1 2% Citric Acid.

  • ↵2 ND: None Detected, Below the Limit of Detection (LOD).