Radiochemical purity testing of [153Sm]Sm-EDTMP usually uses the Thin Layer Chromatography method. The mobile phase used is a mixture of 25% ammonia and water. However. the lowest ratio of 25% ammonia in the mobile phase is unknown. https://safeersappliancers.shop/product-category/aeg-dbk7990hg-chimney-cooker-hood-stainless-steel-90cm/