jeudi 25 / 09 / 2025 — 05:32:03

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IDDateNomCommentaires
9472025-04-16 06:15:02TRUONG THANH HUYVIET NAMThank you, sir, I appreciate your valuable information about ion-exchange resin. It is very helpful for my work. When I first knew this site, it was some years ago, but I didn't realize it was good until now.
9002025-02-23 01:20:24Azerin CCanadaHello! I'm a final year chemical engineering student in Canada. My capstone/plant design final project is to design a wastewater treatment facility that outputs ultrapure water. Your page has provided so much information to me. It's so accessible, some of this information would have taken me much longer to sift through papers and textbooks to find. Thank you so much!
8792025-01-02 16:33:35Monika FjaestadArvika SwedenHi Francoise Enjoyed your homepage. We are sekund cousines.My grandfather was brother to Vivi. My Mother visited aunt Vivi several times. Do I have relative in Schweiz nowdays? Let me know-how. I go to Basel in The end of januari. Greetings from a kold Sweden
8702024-11-14 13:03:36Agostinho OliveiraHello Mr. François de Dardel. I really enjoyed your articles on ion exchange. It's a little treasure and very very useful. Thank you very much! May I ask if you have written any books on ion exchange? In that case, I'll be happy to buy a copy! Best regards, Agostinho Oliveira (Portugal)
8412024-05-31 17:16:25Martin DeetzWilmington, DE USAHi Francois...I have worked with Rohm and Haas/Dow/DuPont since 2003 in ion exchange. We've never had to chance to meet, but just wanted to point out that your website has been a very valuable tool. Thanks so much for your dedication to Ion Exchange, those wonderful little balls of chemistry!
8072023-12-09 11:13:47philip hugueninAustralia
8062023-12-07 06:36:31Thang Ng VVietnamExtremely informative blog! Thank you so much for your sharing!
8052023-10-05 08:40:38MariamSwedenI stumbled upon your page when looking for tintin scans to answer a tintin related question on my blog, and im absolelty blown away at this scale and dediation on your page! really and truely, I feel like ive just found a treasure! Not only will be using this website for my pure enjoyment, but I also think it will really serve me as an artist, the tintin cars colletion is especially exciting, as I love cars and to draw them. So thank you whoever you are! youve made my day :)