USP<232> classifies the "Big Four" Elements as Class 1 and are required to be tested due to their higher degree of toxicity:
Class 2 elements are less toxic and are required for testing if they are part of the manufacturing process:
Apex Analytical Laboratory
ICP-MS is the "Gold Standard" for metals testing, and our Agilent 7700 and 7800 instrument uses the best technology available to analyze up to 70 elements at low ppt - ppb detection limits. We meet the performance criteria established in USP <232>, USP <233>, and USP <2232>.
Proper sample preparation is a critical step to ensure accurate results. Apex Lab has a well designed sample preparation lab with HEPA air filtration to provide a contamination free area for the analyses of trace metals in the low ppt - ppb range.
Apex Analytical provides testing for trace metals, minerals, and major elements in all types of dietary supplement products. We have the technology and the expertise needed to help our clients ensure the quality and purity of their products and raw materials.
We maintain a rigorous quality assurance program, to ensure that all results are accurate and properly documented. Our systems, experienced analysts, and state of the art instrumentation reflect our commitment to provide our clients with quality data.