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52625-U

Supelco

Discovery® DPA-6S 固相萃取管

bed wt. 250 mg, volume 3 mL, pk of 54

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25 MG
¥848.12
100 MG
¥1,497.45
250 MG
¥3,897.12

¥848.12


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25 MG
¥848.12
100 MG
¥1,497.45
250 MG
¥3,897.12

About This Item

UNSPSC代码:
41115712
NACRES:
NB.21

¥848.12


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物料

PE frit (20 μm)
polypropylene

质量水平

组成

bed wt., 250 mg

包装

pk of 54

技术

solid phase extraction (SPE): suitable

体积

3 mL

杂质

<5% Water content

基质

polyamide resin base material

基质活性基团

amide, poly- phase

粒径

50-160 μm

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1 of 4

此商品
695041258121258113
Nitric Acid Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

NX0409

Nitric Acid

Nitric acid ACS reagent, &#8805;90.0%

695041

Nitric acid

Nitric acid ACS reagent, &#8805;90.0%

258121

Nitric acid

Nitric acid ACS reagent, 70%

258113

Nitric acid

concentration

68.0-70.0% HNO3

concentration

-

concentration

-

concentration

-

Quality Level

200, 300

Quality Level

200

Quality Level

200

Quality Level

200

agency

meets USP/NF

agency

-

agency

-

agency

-

storage temp.

room temp

storage temp.

-

storage temp.

-

storage temp.

-

pH

<1 (20 °C in H2O)

pH

-

pH

-

pH

-

mp

-32 °C

mp

-

mp

-

mp

-

一般描述

助留机理:反相
样品基质相容性:水溶液或甲醇溶液

  • 聚酰胺树脂:粒度:50-160μm,表面 pH:4.5-7.5,密度:0.2-0.3cm3/g,含水量:< 5%
  • 用于按照反相机理,通过化合物羟基基团与树脂的酰胺基团之间的强烈的氢键作用,从水溶液或甲醇溶液中吸附极性化合物(-OH 基团,尤其是酚醛化合物)
  • 用于萃取单宁、叶绿素、腐殖酸、药理活性的类萜、黄酮类、没食子酸、儿茶酚 A、原儿茶酸和间苯三酚
  • 也用于萃取芳族羧酸和硝基芳香化合物
  • 不可逆地保留苯醌

法律信息

Discovery is a registered trademark of Merck KGaA, Darmstadt, Germany

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

  • 技术规格说明书

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