Analysis standards for polyformaldehyde
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Hello everyone, I’m a beginner. Due to work requirements, I urgently need analytical standards for polyformaldehyde. If any of you have them, please share them with me. Thank you all. 170513481@163.com. This post was last edited by ryn on 2009-3-1 at 17:58
Product specifications: Model numbers – PFA-89, PFA-92, PFA-96. Bulk density: kg/m³ – 750–850. Formaldehyde content: % – 88–90, 91–93, 95–97. Methanol content: % – <1. pH value (10% aqueous solution): 3–5. Acidity content: % – <0.03. Ash content: % – <0.01. Reaction time: minutes – 2–4, 3–5
I have it! It’s also from under the forum; you can look there