Table 3

Results general chemistry tests syringe 5 mL

SolventMinimum- maximum level measured during 0–36 months
pHClarityColourWeight lossTransparencyReducing substancesAbsorbance (Au)
Phosphate buffer pH 2.02.2–2.3Clear<BY70%–0.6%Cloudiness perceptible<0.01–0.04
Phosphate buffer pH 5.85.7–5.9Clear<BY70%–0.8%Cloudiness perceptible<0.01–0.02
Phosphate buffer pH 8.07.8–7.9Clear<BY70%–0.6%Cloudiness perceptible<0.01–0.01
Phosphate buffer pH 11.411.4–11.5Clear<BY70%–0.6%Cloudiness perceptible0.02–0.08
NaCl 0.9%4.0–10.0Clear<BY70%–0.7%Cloudiness perceptible0.1–1.2 mL<0.01–0.02
IPA 5%NAClear<BY70%–0.8%Cloudiness perceptible<0.01–0.03