Tubes, Color-Comparison; Nessler; APHA Standard; Kimble; White ceramic enamel; Rings coincide with volumes of liquid; Federal Specification NNN-T-175, Type 1, Class 2 requirements; 50mL; Approx. O.D. x H: 20 x 300mm; Scale Length: 200-220mm; 6/CS Exact Match 22043721 66176-305

Transport Tube 50mL with screw cap. Self-standing polypropylene sterile metal-free Exact Match 60819-978

Corning 430921
Corning* Self-Standing Centrifuge Tubes Sterile polypropylene tubes for sample storage and working in laminar flow hoods. Conical bottom for pelleting and sample recovery. Skirted for self-standing. Disposable. Easy on/off flat-top cap. Volume: 50mL. Maximum RCF: 3, 000. Exact Match: 21008-777

CORNING 352070
BLUE MAX* Conical-Bottom Centrifuge Tube 50mL Opticul* high-clarity polypropylene tube. Gamma radiation sterilized with medical-style packaging. Blue printed graduations, white writing patch. Length 115mm. Diameter 30mm. Maximum RCF 9,400g. Polyethylene flat-top screw cap. Bulk, 25/bag. Exact Match: 21008-940

VWR International 82018-050
VWR* SuperClear* Ultra-High Performance Centrifuge Tube 50mL freestanding polypropylene tube with conical bottom. Sterile. Autoclavable and freezable. External molded graduations. Length: 115mm. Diameter: 29mm. Flat, polyethylene screw cap (supplied). Maximum RCF: 9400g. Disposable. 50 tubes/bag.

GREINER BIO-ONE 210261
Centrifuge Tube 50mL, 30x115mm, Sterile, Skirted, Polypropylene, Conical, Blue Screw Cap. Exact Match: 82050-320

VWR International 89039-656
VWR Centrifuge Tubes VWR Centrifuge Tubes with Flat Caps. Fitsmost standard rotors. Made of Polypropylene. Sterile, 50ml

NALGE NUNC INTERNATIONAL
Mfg Item # : 362696
Hinged flip cap for single-handed opening Chemical-resistant Leakproof Sterile EZ Flip™ Conical Centrifuge Tubes feature a patented closure system that allows one-handed opening and closing without compromising aseptic conditions. Manufactured to exacting tolerance, tubes are both airtight and leakproof. Tubes maintain sample integrity from freezer to refrigerator to centrifuge. Clarified polypropylene resin construction provides chemical-resistance, low protein binding and visibility of contents. Improved tube and cap design increases mechanical strength to withstand aggressive centrifugal forces. The 15 mL tube has a mximum RCF of 8500 x g while the 50 mL tube’s maximum RCF is 9500 x g. Tubes are graduated and feature a convenient writing surface. All tubes are sterile and come in racks or bags of 50 (15 mL) or 25 (50 mL) in cases of 500.

Buret with Drying Tube, Model 50