Heavy Metals Testing in Food India | FSSAI Compliance | NABL Accredited

Heavy metals testing in food identifies and quantifies toxic metallic contaminants — lead, cadmium, arsenic, mercury, and tin — that enter the food supply through contaminated soil, irrigation water, industrial pollution, and packaging materials. Auriga Research provides NABL-accredited heavy metals analysis using ICP-MS (Inductively Coupled Plasma Mass Spectrometry) for ultra-trace detection at levels well below FSSAI Maximum Limits.

FSSAI's Contaminants, Toxins and Residues Regulations 2011 set Maximum Limits for heavy metals across all food categories, with the most stringent limits applied to infant foods and formula. Our testing covers the complete heavy metals panel required for domestic FSSAI compliance, Codex Alimentarius conformity, and export certification to EU, USA, and other markets with strict trace metal requirements.

Heavy metals in food are a particular concern for rice (arsenic from groundwater), spices (lead from contamination and adulteration), seafood (mercury bioaccumulation), leafy vegetables (atmospheric deposition), and infant foods (vulnerability of developing children). Our laboratory provides both routine compliance testing and advanced speciation analysis.

Heavy Metals Testing Parameters

Lead (Pb) by ICP-MS — FSSAI limits: 0.02-3.0 mg/kg by food category
Cadmium (Cd) by ICP-MS — FSSAI limits: 0.05-1.0 mg/kg
Total Arsenic (As) by ICP-MS
Inorganic Arsenic speciation by HPLC-ICP-MS (rice, seafood)
Mercury (Hg) by cold vapour AAS or ICP-MS
Methylmercury in fish by GC-AFS
Tin (Sn) in canned foods by ICP-OES — FSSAI limit: 200 mg/kg
Copper (Cu), Zinc (Zn) — infant formula and supplements
Chromium (Cr) including hexavalent chromium
Multi-element screening (20+ elements in single ICP-MS run)

Who Needs This Testing

Rice exporters meeting EU and Codex inorganic arsenic limits
Infant food manufacturers — most stringent FSSAI heavy metal limits
Spice manufacturers and exporters meeting international trace metal requirements
Seafood exporters (mercury compliance for tuna, swordfish)
Packaged food brands for FSSAI surveillance compliance

Turnaround Time

Standard heavy metals panel: 5-7 business days. Arsenic speciation: 7-10 business days. Expedited 3-day turnaround available for urgent export requirements.

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Frequently Asked Questions

What heavy metals are tested in food products under FSSAI regulations?

FSSAI regulations require testing for lead (Pb), cadmium (Cd), arsenic (As), mercury (Hg), and tin (Sn) in canned foods. Maximum Limits vary by food category. For example, lead in cereals is 0.2 mg/kg, in milk 0.02 mg/kg, and in infant formula 0.02 mg/kg. Arsenic speciation (inorganic arsenic) is specifically required for rice and rice-based products. Additional metals such as copper and zinc may be tested for specific product categories.

Why is arsenic speciation important for rice testing?

Rice efficiently absorbs arsenic from soil and irrigation water, particularly in regions with groundwater contamination. Inorganic arsenic (arsenite and arsenate) is classified as a Group 1 carcinogen by IARC and is more toxic than organic arsenic forms. FSSAI and Codex set limits specifically for inorganic arsenic in rice: 0.2 mg/kg for polished white rice and 0.1 mg/kg for rice destined for infant food. Arsenic speciation by HPLC-ICP-MS separates and quantifies the toxic inorganic forms.

What is ICP-MS and why is it used for food heavy metals testing?

ICP-MS (Inductively Coupled Plasma Mass Spectrometry) atomises food samples in high-temperature plasma, ionises the atoms, and separates them by mass-to-charge ratio. It achieves detection limits in parts-per-trillion, well below FSSAI Maximum Limits. ICP-MS measures all target metals simultaneously in a single run, handles complex food matrices after acid digestion, and provides the accuracy required for regulatory compliance and export certification.

How long does heavy metals testing in food take?

Standard heavy metals testing by ICP-MS takes 5-7 business days from sample receipt. Arsenic speciation by HPLC-ICP-MS takes 7-10 business days. Multi-element screening panels (20+ elements) are completed within the same 5-7 day timeframe. Expedited 3-day turnaround is available for urgent export shipment clearance requirements.