Heavy metals screening (ICP-MS)

Inductively coupled plasma mass spectrometry for arsenic, cadmium, lead, and mercury.

ICP-MS is the gold standard for heavy metals analysis. The sample is ionized in an argon plasma at ~10,000°C, and the resulting ions are separated by mass-to-charge ratio in a quadrupole or time-of-flight mass analyzer. Janoshik screens for: - Arsenic (As) - Cadmium (Cd) - Lead (Pb) - Mercury (Hg) Aurex's tolerance is 0% detectable heavy metals above FDA/USP limits for injectable-grade compounds. ICP-MS sensitivity is in the parts-per-trillion range, making it far more sensitive than colorimetric methods.

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