The B-Dex 225 is nonbonded, therefore it does not support aqueous injections. Injecting water can wash the phase out of the column. It's essential for both the samples and the carrier gas to be moisture free. This applies to all non-bonded phase columns, not just chiral columns.
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材料
fused silica
品質等級
描述
GC capillary column
參數
30-230 °C temperature
β值
250
df
0.25 μm
技術
gas chromatography (GC): suitable
長度 × 內徑
30 m × 0.25 mm
基質活性組
non-bonded; 25% 2,3-di-O-acetyl-6-O-TBDMS-β-cyclodextrin in SPB-20 poly(20% phenyl/80% dimethylsiloxane) phase
應用
agriculture
chemicals and industrial polymers
cleaning products
clinical
cosmetics
environmental
flavors and fragrances
food and beverages
forensics and toxicology
life science and biopharma
personal care
pharmaceutical (small molecule)
柱類型
capillary chiral
分離技術
chiral
一般說明
抗化學/物理腐蝕性
- 30°C 至 230°C
其他說明
法律資訊
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After reading the care document and noting that the CHIRALDEX TA columns should not be exposed to moisture in the sample, is it acceptable to inject aqueous samples into the beta DEX 225 column?
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