1000 ppm Boron for AA
https://www.biatech.org/shop/ios-1474-500ml-1000-ppm-boron-for-aa-58312
https://www.biatech.org/web/image/product.template/58312/image_1920?unique=48e7db8
AA-grade 1000 ppm Boron standard for precise calibration in materials, environmental, and industrial sample testing. Size: 500 mL
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