Deskripsi
HACH – Flask, Volumetric, Class A, Certified, 1000 mL #(2636653)
- Individually serialized glass flask supplied with Certificate of Graduation Accuracy and traceable to NIST Standards. Class A tolerances meet requirements of ASTM E438 and ASTM E288. Graduation ring on neck of flask. Supplied with ground glass stopper. See page 374 for replacement stoppers.