How are heavy metals and pesticide residues controlled and tested?

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Accepted Answer

Raw flower material is screened against GB 23200.10-2016 covering 488 pesticide residues by GC-MS, and finished oil is checked for heavy metals — this double gate keeps the oil within the strictest commercial limits for cosmetics and food-flavor use. Testing Matrix ParameterMethodLimit DirectionPesticide residues (488)GB 23200.10-2016 GC-MSBelow EU/US MRL thresholdsLead (Pb)ICP-MS / AAS≤ 10 mg/kgArsenic (As)ICP-MS / AAS≤ 3 mg/kgMercury (Hg)AFS≤ 1 mg/kgCadmium (Cd)ICP-MS / AAS≤ 1 mg/kgMycotoxins / microOptional per target marketOn requestResidue status is recorded per raw-material lot, so a failed field lot is rejected before it ever enters the still. For orders to strict destinations we issue the full residue and heavy-metal report with the COA.State your destination market and we will run the test panel required by that market's import authority at no extra lead time.

Parameter	Method	Limit Direction
Pesticide residues (488)	GB 23200.10-2016 GC-MS	Below EU/US MRL thresholds
Lead (Pb)	ICP-MS / AAS	≤ 10 mg/kg
Arsenic (As)	ICP-MS / AAS	≤ 3 mg/kg
Mercury (Hg)	AFS	≤ 1 mg/kg
Cadmium (Cd)	ICP-MS / AAS	≤ 1 mg/kg
Mycotoxins / micro	Optional per target market	On request

How are heavy metals and pesticide residues controlled and tested?

Testing Matrix

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