字幕表 動画を再生する 英語字幕をプリント this is a do-it-yourself homemade hand sanitizer formula endorsed by the World Health Organization WHO with the quantity scaled down for home use. the formula calls for one cup of 99% isopropyl alcohol 1 tablespoon of hydrogen peroxide and one teaspoon of glycerin. before you start, put on glasses or goggles to protect your eyes from accidental splashes and extinguish all flames. we have one cup 99% isopropyl alcohol and if you can't find ninety nine percent alcohol, read the description section for what to do, pour that in all right, 1 tablespoon of hydrogen peroxide 3% which you can get in the drugstore, and 1 teaspoon of pure glycerin, available in the skincare section of your drugstore. it's thick stir it get it off your teaspoon then we'd add water to meet the target amount of 1 and 1/3 cups. cap on that to make sure it's fully mixed give it a few shakes. let's fill the container, the dispensing container make sure your spring in the right direction there you have it the WHO approved hand sanitizer formula. I almost forgot be sure to label your dispensing container hand sanitizer 75% alcohol. in my first video available on March 3rd through March 4th I had the quantities of hydrogen peroxide and glycerin reversed. sorry for the error. if you made a batch as shown in the old video it will still work even though it does not precisely match the World Health Organization formula. the important part the final alcohol content is still correct at 75%
B1 中級 WHOからのDIY自家製ハンドサニタイザーフォーミュラ -- 更新 (DIY Homemade Hand Sanitizer Formula from WHO -- Updated) 2 1 林宜悉 に公開 2021 年 01 月 14 日 シェア シェア 保存 報告 動画の中の単語