20 Ml Volumetric Flask

…of standard glass flasks combined with the break resistance of plastic Leakproof No meniscus to confuse readings Gravimetrically calibrated individually TC/TD at 20°C, then marked with a permanent color graduation line. Oval marking spot has additional line at 203 mL level for BOD and DO…

…Made to the following tolerances: 1 mL: ±0.01 mL; 2 mL: ±0.015 mL; 5 and 10 mL: ±0.02 mL; 25 mL: ±0.03 mL 1, 2 and 5 mL flasks take Standard Taper 8 stopper; 10 and 25 mL flasks take Standard Taper 9 stopper For micro-chemical work, sizes 1 through 5 mL are designed in accordance with the…

With barrel-shaped Standard Taper glass stopper Calibrated to contain at 20°C

…with ASTM Standard E 237 Made to the following tolerances: 1 mL : ±0.01 mL ; 2 mL : ±0.015 mL ; 5 and 10 mL : ±0.02 mL ; 25 mL : ±0.03 mL 1, 2 and 5 mL flasks take Standard Taper 8 stopper; 10 and 25 mL flasks take Standard Taper 9 stopper Reference: ASTM E-237

Calibrated to contain at 20°C Red stripe, through which calibration mark is etched into transparent glass underneath Supplied with plastic snap cap

Calibrated "to contain" at 20°C Accuracy tolerances approximately twice those specified for Class A

Individually calibrated to deliver at 20C. Durable ring marks resilient wear. Certified Class B with individual ring marking per DIN 122664. Supplied with screw cap. Specifications: Volume Ml: 50ml Accuracy +/- Ml: 0.10 Height: 150mm Thread Gl: 18 Case Quantity: 2  

Individually calibrated to deliver at 20C. Durable ring marks resilient wear. Certified Class B with individual ring marking per DIN 122664. Supplied with screw cap. Specifications: Volume: 100ml Accuracy +/- Ml: 0.16 Height: 180mm Thread: 18 Case Quantity: 6

Individually calibrated to deliver at 20C. Durable ring marks resilient wear. Certified Class B with individual ring marking per DIN 122664. Supplied with screw cap. Specifications: Volume: 500ml Accuracy +/- Ml: 0.40 Height: 270mm Thread: 25 Case Quantity: 4

Individually calibrated to deliver at 20C. Durable ring marks resilient wear. Certified Class B with individual ring marking per DIN 122664. Supplied with screw cap. Specifications: Volume: 250ml Accuracy +/- Ml: 0.24 Height: 235mm Thread: 25 Case Quantity: 5  

Individually calibrated to deliver at 20C. Durable ring marks resilient wear. Certified Class B with individual ring marking per DIN 122664. Supplied with screw cap. Specifications: Volume: 1l Accuracy +/- Ml: 0.60 Height: 310mm Thread: 32 Case Quantity: 3  

…flat on a balance.  Small size fits volumetric flask volumes (mL) of 5, 10, 15, and 20. Medium size fits volumetric flask volumes (mL) of 100, 200, 250. Large size fits volumetric flask volumes (mL) of 500, 1000. X-Large size fits volumetric flask volumes (mL) of 1000, 2000.

…takes 1/4″ vacuum tubing. PP collection vessel rack accommodates autosampler vials; small scintillation vials (22.75 mm O.D. recommended); 10 and 16 mm test tubes; and 1, 2, 5, and 10 mL volumetric flasks. An optional plate for 20 mL scintillation vials is available for 12-port models.

…takes 1/4″ vacuum tubing. PP collection vessel rack accommodates autosampler vials; small scintillation vials (22.75 mm O.D. recommended); 10 and 16 mm test tubes; and 1, 2, 5, and 10 mL volumetric flasks. An optional plate for 20 mL scintillation vials is available for 12-port models.

…to isolate/maintain intact proteins without degradation. Place the contents of all four vials in one volumetric flask or other suitable container. Add water or buffer of choice to 100 mL. More concentrated solutions can be prepared as desired; however, leupeptin and pepstatin A will create more…