PR 81- rhodamine 6G- FTIR non-invasive – Pure Pigment Post navigationPrevious post: PR 81- rhodamine 6G- FTIR non-invasive – Pure Pigment Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Sign me up for the newsletter! Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.