如何對無水葡萄糖質量進行鑒別？
來源：http://www.nttdr.com 日期：2020-04-13 發布人：admin
在自然界中，有許多物質以無色晶體或白色結晶粉末的形式出現。雖然它們大多數都有獨特的味道，但有些是有毒的或含有雜質。現在讓我們看看無水葡萄糖的鑒定。
In nature, there are many substances in the form of colorless crystal or white crystalline powder. Although most of them have unique taste, some of them are poisonous or contain impurities. Now let's look at the identification of anhydrous glucose.
1. 產品的紅外吸收圖譜應與對照一致。Ph測試:取本品2.0g，用20ml水溶解，加入3滴酚酞指示劑溶液和0.2ml的0.02mol/L氫氧化鈉溶液，呈粉紅色。
1. The infrared absorption spectrum of the product should be consistent with the control. PH test: take 2.0g of this product, dissolve it with 20ml of water, add 3 drops of phenolphthalein indicator solution and 0.2ml of 0.02mol/l sodium hydroxide solution, it is pink.
2. 取本品0.2g，加入5 ml水溶解，緩慢滴入溫的堿性酒石酸銅試液中。如果生成氧化亞銅的紅色沉淀，則證明是無水葡萄糖。
2. Take 0.2g of this product, add 5ml of water to dissolve it, and slowly drop it into the warm alkaline copper tartrate test solution. If the red precipitate of cuprous oxide is formed, it is proved to be anhydrous glucose.
的貨物2.0 g, 3、砷鹽5毫升水溶解,加入5毫升稀硫酸和鉀溴化溴化解決方案0.5毫升,20分鐘的水浴加熱,保持一點多余的溴,必要時,然后嘗試添加鉀溴化解決方案,和補充的水分蒸散在任何時候,把冷,加5毫升鹽酸,和28毫升,水適量依法檢查,應遵守規定(0.0001%)。
2.0 g of goods, 3. 5 ml of arsenic salt dissolved in water, add 5 ml of dilute sulfuric acid and 0.5 ml of potassium bromination solution, heat in a water bath for 20 minutes, keep a little bit of excess bromine, if necessary, then try to add potassium bromination solution, and supplement water evapotranspiration at any time, put cold, add 5 ml of hydrochloric acid, and 28 ml, check the amount of water according to law, should comply with the regulations (0.0001%).
把貨物1.0 g 4、鈣鹽、10毫升的水溶解,添加氨試液1毫升與草酸銨溶液5毫升,搖勻,放置1小時,如濁度和標準鈣溶液(精度根據0.1250 g的碳酸鈣,500毫升容量瓶,加水5毫升和0.5毫升鹽酸溶解,添加水,搖勻。每1ml相當于0.1 mg的鈣(Ca)]控制液由1.0 ml制成，不得加厚(0.01%)。
Dissolve 1.0 g of 4, calcium salt and 10 ml of water in the goods, add 1 ml of ammonia test solution and 5 ml of ammonium oxalate solution, shake well, and place for 1 hour, such as turbidity and standard calcium solution (the accuracy is based on 0.1250 g of calcium carbonate, 500 ml volumetric flask, 5 ml of water and 0.5 ml of hydrochloric acid for dissolution, add water and shake well. Every 1ml of calcium (CA) control solution equivalent to 0.1mg is made of 1.0ml without thickening (0.01%).
這是識別無水葡萄糖的四種方法，我相信這對你有幫助。這種物質可以直接喝,用于補充能量和營養,也可以用作藥物,用于治療一些疾病,同時在發酵工業、食品工業、化工、合成和轉換等領域發揮作用,我希望你能理解。
Here are four ways to recognize anhydrous glucose, which I believe will help you. This substance can be drunk directly, used to supplement energy and nutrition, can also be used as medicine, used to treat some diseases, and play a role in fermentation industry, food industry, chemical industry, synthesis and transformation, I hope you can understand.
以上就是如何對無水葡萄糖進行鑒別的詳細介紹，想要了解更多請點擊官網http://www.nttdr.com
The above is a detailed introduction of how to identify anhydrous glucose. For more information, please click http://www.nttdr.com