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Analytical & Chromatography
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Trace Metals - Fresh Water Sediment 3certified reference material, pkg of 50 gCRM016-050SIGCRM016-50G-EA
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Trace Metals - Powdered Paint 1certified reference material, pkg of 20 gCRM017-020SIGCRM017-20G-EA
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![Benzo[a]pyrene solutioncertified reference material, TraceCERT(R), 1000 mug/mL in acetone](https://scis.nroge.redpernix.com/media/catalog/product/cache/18c147254acb4a98c031bfc3f794e0d9/S/i/Sigma_Aldrich_CRM40071_Benzoapyrene_solution_original_1425778.png)
![Benzo[a]pyrene solutioncertified reference material, TraceCERT(R), 200 mug/mL in methylene chloride](https://scis.nroge.redpernix.com/media/catalog/product/cache/18c147254acb4a98c031bfc3f794e0d9/S/i/Sigma_Aldrich_CRM48665_Benzoapyrene_solution_original_1425782.png)
