26,29 Potential Modifications of this technique could include things like replacing the PVP with polyvinylpolypyrrolidone, which happens to be a hugely crosslinked kind of PVP that's insoluble and can be separated in subsequent procedure methods with phenol-primarily based alternatives. Alternatively, the PVP could possibly be eliminated by way of ethanol https://www.facebook.com/NewTechFind/posts/pfbid0EkXeFuXH1kY4mMdXjDqYFYCJK6VA8t3yQ7PKnue8CJHc6zSzjDRJjixiEmePWGX7l