Table 3.

Batch‐to‐batch analysis of the heavy metals in the NF

Parameter (mg/kg)	Batches						Method of analysis
	#1	#2	#3	#4	#5	#6
Arsenic	0.02	0.01	0.02	0.02	0.02	0.02	AOAC 2015.01 Mod < 2232 ICP‐MS
Cadmium	0.001	0.002	0.002	0.002	0.002	0.002
Lead	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
Mercury	< 0.005	< 0.005	< 0.005	< 0.005	< 0.005	< 0.005

AOAC: Association of Official Agricultural Chemists; ICP‐MS: inductively coupled plasma mass spectrometry.