<strike id="woemc"><nav id="woemc"></nav></strike>
<blockquote id="woemc"><dl id="woemc"></dl></blockquote>
  • <strike id="woemc"></strike>
  • 
    
  • <samp id="woemc"></samp>

    Current Location: Home > Technical Exchange

    Preparation of common buffer solutions

    Time: 2023-09-25

    Preparation of common buffer solutions:

    PH value Preparation method
    0 1mol/lHCl
    1 0.1mol/lHCl
    2 0.01mol/lHCl
    3.6 NaAc.3H20 8g, dissolve in an appropriate amount of water, add 6 mol/l HAc 134ml, and dilute to 500ml
    4.0 NaAc.3H20 20g, dissolve in an appropriate amount of water, add 6 mol/l HAc 134ml, and dilute to500ml
    4.5 NaAc.3H20 32g, dissolve in an appropriate amount of water, add 6 mol/l HAc 68 ml, and dilute to500ml
    5.0 NaAc.3H20 50g, dissolve in an appropriate amount of water, add 6 mol/l HAc 34 ml, and dilute to500ml
    5.7 NaAc.3H20 100g, dissolve in an appropriate amount of water, add 6 mol/l HAc 13 ml, and dilute to500ml
    7 NH4Ac 77g, After dissolving with water, and dilute to500ml
    7.5 NH4Cl 60g, dissolve in an appropriate amount of water, Add 1.4ml of 15 mol/l ammonia water, and dilute 500ml
    8.0 NH4Cl 50g, dissolve in an appropriate amount of water, Add 3.5ml of 15 mol/l ammonia water, and dilute 500ml
    8.5 NH4Cl 40g, dissolve in an appropriate amount of water, Add 8.8ml of 15 mol/l ammonia water, and dilute 500ml
    9.0 NH4Cl 35g, dissolve in an appropriate amount of water, Add 24ml of 15 mol/l ammonia water, and dilute 500ml
    9.5 NH4Cl 30g, dissolve in an appropriate amount of water, add 入15 mol/l氨水65ml, and dilute 500ml
    10.0 NH4Cl 27g, dissolve in an appropriate amount of water, add 入15 mol/l氨水197ml, and dilute 500ml
    10.5 NH4Cl 9g, dissolve in an appropriate amount of water, add 入15 mol/l氨水175ml, and dilute 500ml
    11 NH4Cl 3g, dissolve in an appropriate amount of water, add 入15 mol/l氨水207ml, and dilute 500ml
    12 0.01mol/lNaOH
    13 0.1mol/lNaOH

    Note: When there is an obstacle to chloride ions, nitric acid can be used When there are obstacles to sodium ions, KOH can be used.

    Copyright(C)2023, Zhejiang Huasheng Textile Technology Co.,Ltd. All Rights Reserved. Supported by  ChinaTexNet TexWeb Toocle Copyright Notice
    主站蜘蛛池模板: 国产成人不卡亚洲精品91| 天天夜碰日日摸日日澡| 亚洲av女人18毛片水真多| 波多野结衣中文字幕一区二区三区 | 黑森林av福利网站| 国产精品免费看久久久久| 99久久精品免费看国产一区二区三区| 快穿之性色无边(高h)| 丰满的己婚女人| 日本理论片理论免费| 久青草影院在线观看国产| 欧美亚洲国产精品久久高清| 亚洲熟女乱色一区二区三区| 理论片在线观看免费| 免费一级毛片无毒不卡| 精品性高朝久久久久久久| 琪琪色原网站在线观看| 国邦征服雪婷第二篇| chinese体育生gayxxxxhd| 性生活免费大片| 中文字幕一区二区三匹| 无码人妻精品一区二区三区久久 | 一二三四视频中文字幕在线看| 国外AV无码精品国产精品| JAPANESE国产在线观看播放| 女人国产香蕉久久精品| 一本色道无码道在线观看| 成人福利在线视频| 中文字幕无码免费久久9一区9| 无遮挡h肉动漫网站| 久久久久亚洲av成人网人人软件| 日韩高清在线播放| 亚洲人成网站日本片| 欧美人与禽交另类视频| 亚洲国产精品尤物yw在线观看| 欧美精品99久久久久久人| 亚洲欧美丝袜制服在线| 欧美污视频网站| 亚洲国产精品专区| 欧美午夜一区二区福利视频| 亚洲人成网站日本片|