50 Ml Volumetric Flask

…Specification for Volumetric Flasks Supplied with a Certificate of Graduation Accuracy Suitable for ISO 9000 quality programs Calibrated "to contain" and supplied with a polyethylene snap cap and a marking spot. Graduation ring is blasted on the neck. 500 mL size is suitable…

Permanent graduation line Machine-blown bodies Heavy-beaded, heavy-tubing necks are tooled for polyethylene stopper Stopper is made with a closed bottom and is of linear, high-density polyethylene to conform to Standard Taper stopper dimensions

…(4997L15 to L65) Flasks have marking spots on all sizes 10 mL and larger. The 2 mL size is test tube shaped; all other sizes are conventional flask shape. The 5 mL and larger sizes are designed from requirements for Type 1, Class A “unserialized” flasks of Federal Specification…

…make the inscription easy to read. The 1 mL and 2 mL sizes are test tube shaped.  These Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E- 694 for volumetric ware, ASTM E-542 for calibration of volumetric ware and ASTM E-288 for volumetric flasks.

…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…

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

Wide neck easily accommodates a 50 mL pipet Superior strength, durability and heavy uniform walls ensure safety in the lab Flat interior bottoms are ideal for stirring These KimCote® volumetric flasks are graduated to Class A volumetric tolerances and are designed from ASTM…

These PYREX® EZ Access™ wide mouth volumetric flasks are calibrated to Class A tolerances and are designed for microchemical work. The heavy duty, wide mouth facilitates filling and mixing. Supplied with interchangeable Standard Taper PYREX® ground glass stopper. The graduation line is…

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

…strength of these flasks has been increased appreciably through machine-blown bodies. Sealed, heavy-beaded, heavy-tubing necks are tooled for snap-cap fit. Graduation line is sharp, permanent and large; white block letters make the inscription easy to read. 1 mL and 2 mL sizes are…

Low actinic stained glass provides protection for materials sensitive to light. The protective color is an integral part of the flask, which retains the mechanical strength, chemical stability and thermal resistance of PYREX brand hardware.

…are designed from ASTM Specification E288, Class B requirements Sizes 10 through 50 mL include Standard Taper 9 glass stopper; size 100 mL, Standard Taper 13; sizes 200 and 250 mL, Standard Taper 16, size 500 mL, Standard Taper 19; 1,000 mL, Standard Taper 22 and size 2,000 mL, Standard Taper 27

…is sharp and permanent. Large white block letters make the inscription easy to read. These Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E- 694 for volumetric ware, ASTM E-542 for calibration of volumetric ware and ASTM E-288 for volumetric flasks.

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

Calibrated to Class A ASTM E-542 and E-288 Supplied with a certificate of identification Traceable to NIST standards The graduation line is sharp and permanent. Large white block letters make it easy to read. Supplied with a Standard Taper stopper.

Calibrated "to contain" Red stripe, through which capacity mark is etched for legibility and permanence Barrel-shaped Standard Taper glass stoppers

…Specification for Volumetric Flasks Supplied with a Certificate of Graduation Accuracy Suitable for ISO 9000 quality programs Calibrated "to contain" and supplied with a polyethylene snap cap and a marking spot. Graduation ring is blasted on the neck. 500 mL size is suitable…

…read. These Class A volumetric flasks are calibrated to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. For your convenience, these flasks are supplied with…

A natural solid for quantitative transfer to a 1 liter Class A volumetric flask with dilution to 1 liter in reagent water. Formulated in the NELAC range of 5.0 - 50 mL/L. Each vial produces 1 liter of sample. (Supplied in duplicate) 

…from an equal-volume blend of 5W30, 10W30, 10W40, and 20W50 motor oils. After blending, a precisely weighed amount of the composite is added to a volumetric flask to produce the standard CAS #: 64742-47-8 Conc. in Solvent and Volume: 50,000 μg/mL in methylene chloride, 1 mL/ampul

…digestion block systems Can be used as a digestion vessel, graduated cylinder, volumetric flask, autosampler tube, or storage container MP-112 reflux cap is designed to fit all 50 mL digestion vessels.  Features center hole for convenient access during digestions.  …

1228Z88 ErgoClip helps to perfectly position volumetric flasks of 1-10 mL. It allows directly dosing into the desired tare container. Dosing in directly means avoiding transfer errors, thus precious substances can be saved. 1228Z89 ErgoClip helps to perfectly position several tubes (test…