Volumetric flask

1. VOLUMETRIC FLASK grade A.  clear neutral glass/Boro 3.3 glass, With ground–in glass stopper or plastic stopper

2. VOLUMETRIC FLASK grade A.  amber clear neutral glass/Boro 3.3 glass, With ground–in glass stopper or plastic stopper

3. VOLUMETRIC FLASK grade B.  clear neutral glass/Boro 3.3 glass, With ground–in glass stopper or plastic stopper

4. VOLUMETRIC FLASK grade B.  amber neutral glass/Boro 3.3 glass, With ground–in glass stopper or plastic stopper

Volumetric flask