日韩人妻无码精品无码中文字幕,臭小子我是你岳...你不能视频 ,日本xxxx色视频在线观看,亚洲永久无码7777kkk

歡迎來到上海宸喬生物科技有限公司網(wǎng)站!
咨詢熱線

18801803238

當(dāng)前位置:首頁   >  產(chǎn)品中心  >  Ultrasep ES液相色譜柱  >  Ion Exchangers(離子交換)  >  Anion Exchanger SAX NN (Rapid Determination of Nit

Anion Exchanger SAX NN (Rapid Determination of Nit

簡要描述:These anion exchangers are so called ?permanently loaded“ ion exchangers. They exhibit the excellent performance of silicas and the good stability of RP-phases, which leads to low costs.

  • 產(chǎn)品型號:
  • 廠商性質(zhì):生產(chǎn)廠家
  • 更新時間:2024-08-07
  • 訪  問  量:1541

詳細(xì)介紹

 

Anion Exchangers

 

UltraSep ES SAX W (Anorganic ions according to DIN 38405)

  

These anion exchangers are so called „permanently loaded“ ion exchangers. They exhibit the excellent performance of silicas and the good stability of RP-phases, which leads to low costs.

Stability of UltraSep ES SAXW with phthalic acid/TRIS buffer (1.25/2.5 mM) at pH 6.4

  

Permanently loaded ion exchangers are not only useful to separate inorganic ions (see Application ANION1) but also to separate natural products with aqueous buffers (nucleotides). They cannot be used with organic-aqueous eluents

Our permanently loaded ion exchangers are easily to regenerate. For this, we offer a special solution or a regeneration in our firm. 

If there is a need to chromatograph aqueous solutions highly contaminated with organic material, we recommend to use additionally a RP precolumn (length 33 mm) in front of the precolumn cartridge ( ANION2 Tap water from Berlin).

By lowering of the strength of the eluent, phosphate appears between nitrite and bromide without the necessity to increase the pH noticeably  In this way, there are good conditions for the conductivity detection too. Furthermore, fluoride is well separated from the injection peak (see Application ANION3).

    
 

UltraSep ES SAX W Quick Columns

  

See Applications ANION5 and ANION6

 

UltraSep ES SAX W33 (Determination of ascorbic acid)

  

See Applications ANION9

 

UltraSep ES SAX NN (Rapid determination of nitrite, nitrate, and bromide in drinking water and foodstuffs)

  

By this exchanger concentrations of nitrite and nitrate can be determined considerably faster and more sensitive than with customary methods. Nitrate, which can be determined by the photometric method only relatively insensitively, is determined by chromatography at 220 nm without previous enrichment to 0.1 mg/l. Bromide is determined at 210 nm with high sensitivity.

Iodide can be determined also directly at 225 nm. For a quick determination of iodide you can use a column of  UltraSep ES SAX NN with a length of 33 mm.

The selectivity and rapidity of the determination (phosphoric acid as eluent) can be changFor columns with endcapped packings an additional charge of 10.00 € is calculated.  ed by the pH value (at best pH 3 – 5). Furthermore,  the velocity of elution can also be varied by the concentration of phosphoric acid (at best 10 – 30 mM; see Application ANION4).

   
 

UltraSep ES RP NN (Determination of nitrite, nitrate, bromate and bromide in drinking water and foodstuffs)

  See Applications ANION7 and ANION8

 

 

Examples of Analyzed Compounds

Analyzed in Application
(AN = ANION)

Go to

 

Ascorbic acid

AN9

ANION1

 

Bromate

AN7, AN8

ANION2
 

Bromide

AN1, AN3, AN4, AN5, AN6, AN7

ANION3

 

Carbonate

AN2

ANION4

 

Chloride

AN1, AN2, AN3, AN5, AN6

ANION5

 

Fluoride

AN3

ANION6

 

Nitrate

AN1, AN3, AN4, AN5, AN6, A7

ANION7

 

Nitrite

AN1, AN3, AN4, AN5, AN6, A7

ANION8

 

Phosphate

AN3, AN6

ANION9

 

Sulfate

AN1, AN2, AN3, AN5, AN6

 

 

 

 

 

 

 

 

 

 

COLUMNS and  PRICES  ()
 Column size (mm)
150 x 3125 x 360 x 333 x 3
UltraSep ES SAX W 270.00  
UltraSep ES SAX W Guard column RP 18 *   125.00
UltraSep ES SAX W QC  255.00250.00
UltraSep ES SAX QCM 270.00  
UltraSep ES SAX NN  265.00245.00
UltraSep ES RP NN240,00240,00  
UltraSep ES SAX W33 295,00  
* Recommended as precolumn for samples with high content of organic substances.

 

Size (mm)

 
  10 x 35 x 3 ***  
Precolumn cartridges
(Price per pack = 5 pieces)
 170.00170.00
Activator for ES SAX W (1 ml)12.00  
Regeneration solution (30 ml) for regeneration by customer33.00  
*** Only for UltraSep ES SAX W QC.

產(chǎn)品咨詢

留言框

  • 產(chǎn)品:

  • 您的單位:

  • 您的姓名:

  • 聯(lián)系電話:

  • 常用郵箱:

  • 省份:

  • 詳細(xì)地址:

  • 補(bǔ)充說明:

  • 驗(yàn)證碼:

    請輸入計(jì)算結(jié)果(填寫阿拉伯?dāng)?shù)字),如:三加四=7

聯(lián)系我們

上海宸喬生物科技有限公司 公司地址:上海市阿克蘇路1187號516室   技術(shù)支持:化工儀器網(wǎng)
  • 聯(lián)系人:王經(jīng)理
  • QQ:3004300903
  • 公司傳真:021-59100893-802
  • 郵箱:sales@keyanwang.com.cn

掃一掃 更多精彩

微信公眾號

網(wǎng)站二維碼

中文字幕一线产区和二线区的区别| 人妻 校园 激情 另类| 国产999精品久久久久久 | WWW亚洲精品少妇裸乳一区二区 | 精品久久久久久无码人妻| 久久中文字幕人妻熟AV女| 国产精品Ⅴ无码大片在线看| 99久久亚洲精品无码毛片| a片做爰片仑理片免费看| 欧洲美女多人群交视频| 欧美大肥婆bbbww| 中文字幕AV人妻一区二区 | 久久九九精品99国产精品| 男人和女人接吻视频| 亚洲人成在线观看| 高清a片在线观看| 久久久久国产精品嫩草影院| 欧亚精品卡一卡二卡三| 国产精品国产三级国产AV主播| 免费萌白酱国产一区二区三区| 国产露脸精品产三级国产av | 免费a级毛片无码免费视频| 蜜臀98精品国产免费观看| 国产AV无码专区亚洲AV毛网站| 女性生殖特技表演在线观看| 男人多人做人爱的视频| 久久狠狠高潮亚洲精品| 国产无遮挡无码视频免费软件| 97精品久久久久中文字幕| 熟妇人妻videos| 亚洲一区自拍高清亚洲精品| 国产乱沈阳女人高潮乱叫老| 精品久久久久中文字幕一区 | 一区二区三区在线 | 网站| 风韵诱人的岳欲仙欲死在线观看 | 国产精品秘入口18禁麻豆免会员| 久久久久亚洲av成人片乱码| 少妇乱子伦精品无码| 无码aⅴ免费中文字幕久久| 日本真人做人爱120分钟| 一个人看www在线视频|