BookTitleWATSON BIO LAB General Catalog

Summary

WATSON BIO LAB General Catalog

Precautions:Handling of liquid nitrogen1. Store liquid nitrogen in the vapor phase forsafety reasons.2. In the liquid phase, liquid nitrogen may flowinto the tube, resulting in the tube rupture andthe nitrogen spatter during defrosting.3. Wear a face shield, protective clothes, andgloves when handling liquid nitrogen fordefrosting.Cat. No. Item Unit CaseCat. No. Item Unit Case139-105-111C 500 tubes 10 bags500 tubes 10 bags500 tubes 10 bags0.5 mL, Screwcap Tube, Self-standing, Natural (tube only)139-105-111BL 0.5 mL, Screwcap Tube for Shading, Self-standing, Black (tube only)1392-050-SS-LP-C 0.5 mL, Screwcap Tube attached Loop Cap, Self-standing, Natural139-115-112C 500 tubes 10 bags500 tubes 10 bags500 tubes 10 bags1.5 mL, Screwcap Tube, Conical Bottom, Natural (tube only)139-115-112BL 1.5 mL, Screwcap Tube for Shading, Conical Bottom, Black (tube only)1392-150-LP-C 1.5 mL, Screwcap Tube attached Loop Cap, Conical Bottom, NaturalTube/Cap = virgin polypropyleneO-ring = silicon rubber(Please loosen the cap and autoclave)Centrifugal force: 30,000 xG (physiological saline 0.5 mL/75 minutes)Flat top (with marking space)Tube/Cap = virgin polypropyleneO-ring = silicon rubber(Please loosen the cap and autoclave)Centrifugal force: 30,000 xG (physiological saline 1.3 mL/75 minutes)Flat top (with marking space)Light-shielding screw-cap tubeOur originally designed tube using 100%virgin medical-grade polypropylene provesresistance against a centrifugal force as highas 30,000 x G (physiological saline, 4°C, 75 min,adapter used) .A marker (notch), which is convenient forpositioning the tube during centrifugationand other purposes, is provided on the flangeof the tube.O- ring made of silicon rubber is resistant tothe pressure and is suitable for storage in liquidnitrogen (vapor phase) or the deep freezer.This light-shielding screw-cap tube is capable ofthoroughly shielding light of short to longwavelengths and is best suited for use inexperiments on samples susceptible to light,such as bilirubin, as well as their storage.Optical transmittance(%)wavelength(nm)Normal tubeShading tubeDurable forcentrifugal force 30,000 xGConvenient for positioningthe tube when centrifugationResistant to the pressureand freezeA marker (notch)Screwcap TubesSelfstanding0.5mLConical 1.5mLTubes Screwcap Tubes Screwcap Tubes48　Tubes