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• 介紹：

  輕工業(yè)部標(biāo)準(zhǔn)法DNS試劑。又稱3,5-二硝基水楊酸法或簡稱DNS法,DNS試劑是植物總糖和還原糖檢測(硝基水楊酸法)的成分之一,定量檢測植物組織樣品中的總糖和還原糖的含量。

• 注意事項(xiàng)：檢測原理是還原糖在堿性條件下被氧化成糖酸，3,5-二硝基水楊酸被還原為棕紅色的氨基化合物。在一定范圍內(nèi)，還原糖的量與棕紅色產(chǎn)物的顏色深淺程度呈一定比例關(guān)系。在540nm處測定棕紅色物質(zhì)的吸光度，該吸光度值與還原糖含量呈線性關(guān)系。

• 儲存條件： RT,避光

• 有效期： 12個(gè)月

• 用途： 本品僅供科研，不得用于其它用途。

• 注意：部分產(chǎn)品我司僅能提供部分信息，我司不保證所提供信息的權(quán)威性，僅供客戶參考交流研究之用。

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• 1. 孔令華,夏小樂,辛瑜.甜型黃酒陳釀過程中5-羥甲基糠醛的生成規(guī)律[J].食品與發(fā)酵工業(yè),2020,46(12):258-263.

輸入產(chǎn)品批號：

本計(jì)算器可幫助您計(jì)算出特定溶液中溶質(zhì)的質(zhì)量、溶液濃度和體積之間的關(guān)系，公式為：

質(zhì)量 (mg) = 濃度 (mM) x 體積 (mL) x 分子摩爾量 (g/mol)

• pg ng μg mg g kg =
  fM pM nM μM mM M *
  nL μL mL L *