100 ppm Potassium for ICP-MS
https://www.biatech.org/shop/ios-101-500ml-100-ppm-potassium-for-icp-ms-56939
https://www.biatech.org/web/image/product.template/56939/image_1920?unique=48e7db8
Certified 100 ppm Potassium standard for ICP-MS calibration, supporting high-accuracy trace-element analysis in environmental, biological, and industrial labs. Size: 500mL
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