number

Capillary tube inner diameter MM

Applicable solvents

2-0.37

0.37（0.36）

dichloromethane

2-0.38

0.38

chloroform

2-0.39

0.39

acetone

2-0.41

0.41

ethyl acetate

3-0.46

0.46

Butyl acetate acetone 1:1

3-0.47

0.47

Tetrahydrofuran

3-0.48

0.48

heptane

3-0.49

0.49

Dichloroethane; toluene

4-0.54

0.54

Chlorobenzene; Benzene; Methanol, p-xylene; Normal rate alkane

4-0.55

0.55

Acetic acid butyl vinegar

4-0.57

0.57

Dimethylformamide; water

4-0.59

0.59

dimethylacetamide

4-0.61

0.61

Cycloethane '; dioxane

4-0.64

0.64

ethanol

4-0.66

0.66

nitrobenzene

4-0.705

0.705

Cyclohexanone

4-0.78

0.78

O-chlorophenol; n-butanol

4-0.8

0.8

Phenol, Tetrachloroethane 1:1

4-1.07

1.07

M-cresol