United Scientific® Class A Wide Mouth Volumetric Flask, Individually Certified, Borosilicate Glass, 5mL–250mL

{ "44207922905224": { "extra_description": "This 5mL United Scientific® Class A wide mouth volumetric flask is expertly crafted from high-quality borosilicate glass and individually certified for precise laboratory measurements. Designed to ASTM E288 specifications, this clear flask features durable enamel markings, diamond-etched graduation lines, and comes complete with a pennyhead glass stopper and a polyethylene stopper. Ideal for analytical chemistry, pharmaceutical labs, and educational institutions." }, "44207922937992": { "extra_description": "The 10mL United Scientific® Class A volumetric flask delivers high accuracy and durability with individually certified calibration and a wide mouth for easier access. Manufactured from borosilicate glass to ASTM E288 standards, it features a printed certificate, etched graduations, and both glass and polyethylene stoppers for versatile lab use." }, "44207922970760": { "extra_description": "Perfect for analytical and quantitative work, this 20mL wide mouth volumetric flask from United Scientific® is individually certified and serialized for accuracy. Made from premium borosilicate glass with Class A calibration to ASTM E288, it includes durable enamel markings and stoppers for secure closure and long-term reliability." }, "44207923003528": { "extra_description": "Engineered for precision, the 25mL United Scientific® Class A volumetric flask is individually certified to meet ASTM E288 requirements. Its wide mouth facilitates easier transfers and cleaning, and the flask includes both a pennyhead glass stopper and a polyethylene stopper for convenience in various lab settings." }, "44207923036296": { "extra_description": "This 50mL Class A volumetric flask is an essential tool for precise lab measurements. Made from borosilicate glass and calibrated to ASTM E288 specifications, it offers a wide mouth for added convenience. Each flask is individually certified and includes a printed certificate, etched graduations, and two types of stoppers." }, "44207923069064": { "extra_description": "Designed for reliability in demanding lab environments, the 100mL United Scientific® Class A volumetric flask features a wide mouth and is individually certified for precision. Compliant with ASTM E288 standards, this borosilicate glass flask includes a printed calibration certificate and both glass and PE stoppers." }, "44207923101832": { "extra_description": "For labs needing high-volume measurement accuracy, this 200mL United Scientific® Class A wide mouth flask delivers. Made from heat- and chemical-resistant borosilicate glass, each flask is individually certified and comes with clear enamel printing, etched graduations, and two types of stoppers." }, "44207923134600": { "extra_description": "This 250mL Class A wide mouth volumetric flask by United Scientific® is designed for maximum performance in laboratories. Individually certified and calibrated to ASTM E288, it features durable borosilicate glass construction, etched graduation lines, and comes with a glass stopper and a polyethylene alternative." } }

{ "44207922905224": { "extra_keyfeatures": "Class A precision per ASTM E288 standards Wide mouth for easy filling and cleaning Individually certified with printed calibration certificate Borosilicate glass for superior thermal and chemical resistance Includes glass and polyethylene stoppers" }, "44207922937992": { "extra_keyfeatures": "Precision-calibrated to contain 10mL Wide mouth design for efficient pouring Individually certified with unique serialization Durable borosilicate glass construction Comes with dual stoppers for flexibility" }, "44207922970760": { "extra_keyfeatures": "20mL capacity with Class A accuracy Individually serialized with certificate Easy-to-use wide mouth opening Resistant to thermal and chemical stress Includes pennyhead glass & polyethylene stoppers" }, "44207923003528": { "extra_keyfeatures": "25mL Class A certified flask Wide neck for safer filling Includes certification and serialization Borosilicate glass for long-term use Dual stopper option for different applications" }, "44207923036296": { "extra_keyfeatures": "High-accuracy Class A calibration 50mL total volume capacity Wide mouth for easy filling Comes with glass and PE stoppers Certified and serialized per ASTM E288" }, "44207923069064": { "extra_keyfeatures": "100mL Class A volumetric flask Individually certified with etched markings Durable borosilicate construction Easy access wide neck design Dual stoppers included for versatility" }, "44207923101832": { "extra_keyfeatures": "200mL capacity with Class A accuracy Certified and serialized to ASTM E288 Enamel and etched markings for visibility Wide mouth eases pouring and cleaning Comes with both PE and glass stoppers" }, "44207923134600": { "extra_keyfeatures": "250mL volumetric flask, Class A certified Wide mouth for improved access and filling High durability borosilicate construction Printed calibration certificate included Dual stopper options included" } }