性做久久久久久坡多野结衣-性做久久久久久久久浪潮-性欲影院-性影院-国产精品线路一线路二-国产精品兄妹在线观看麻豆

NUCLEOGEL® Anion I · NUCLEOSIL® Anion II

HPLC columns for analysis of inorganic anions

Features

NUCLEOGEL® Anion I:
strongly basic polymer-based anion exchanger, particle size 10 µm
pH stability: 1–14
eluent in column 4 mmol/L salicylate buffer pH 7.8
contrary to the silica-based phase also suited for fluoride analysis

NUCLEOSIL® Anion II:
Base material NUCLEOSIL® silica, particle size 10 µm, pore size 300 Å
Strongly basic anion exchanger, exchange capacity 50 µeq/g
pH stability 2–7.5
Eluent in column 0.15 mol/L diammonium hydrogen phosphate buffer pH 5.2
Recommended buffer concentration for separation of inorganic anions: 2 mmol/L phthalate
Preferred method of detection: conductivity or negative UV detection
For a typical application click here.

For more applications click here.

Ordering information

Length->

120 mm

250 mm

Guard columns*

NUCLEOGEL® Anion I

Valco type analytical columns

4.6 mm ID

719533

719543

NUCLEOSIL® Anion II

EC analytical columns

4 mm ID

720094.40

721452.40

* Valco type guard columns cartridges are 21 x 4 mm, require guard column holder C (REF 719538) and are supplied in packs of 2 (all other columns and cartridges in packs of 1).
8 x 4 mm ChromCart® guard column cartridges are coupled to EC columns using guard column adapter EC (REF 721359).