Best Sample Tubes

Qfeley 15 Pack 10ml Lab Plastic Frozen Test Tubes Cryogenic Vial with Screw Caps Self Standing Vial Seal Cap Container for Laboratory School

Material - plastic frozen test tubes are made from PP with smooth wall and good transparency. 10ml capacity frozen tubes with clear 1-10ml scale can easy reading of the liquid volume..
Value package - one pack with 15 pieces plastic frozen test tubes in 10ml capacity with clear screw caps,sufficient quantity can meet school, scientific laboratory usages and replacements..
Size - plastic cryogenic vial measure about height 95mm/3.74", bottom diameter 15mm/0.6", capacity 10ml/0.35oz with clear 1-10ml scale..
Design - plastic frozen test tubes designed with self standing, will not slide when using. Each frozen tubes comes with a pieces black gasket, combine with screw sealing cap can make cryogenic vial will not volatilize samples..
Wide usage - cryogenic vial test tubes are perfect for lab sample storage. Plastic frozen test tubes with smooth side wall and can placed under -80℃ to refrigerate samples, ideal for schools, scientific research laboratory and etc..

The tubular design allows for easy core removal while getting samples to ensure optimal growth for trees, shrubs, lawn, garden and turf to formulate the best possible fertilizer ratio.
The tubular design allows for easy core removal while getting samples to ensure optimal growth for trees, shrubs, lawn, garden, and turf to formulate the best possible fertilizer ratio.
The large 21" probe comes complete with a T-handle grip that ensures a comfortable grip while extracting soil samples for testing texture, pH levels, and nutrients.
The PVC sample tubes can be used to safely store the samples while transporting to a laboratory for additional testing while keeping moisture and other elements out.
Included in this offer is the S7 360 21" Soil Sample Probe with T-handle and two 4 inch PVC sampling tubes for your convenience.

Product Content:20pcs 40ml cork stopper round bottom glass test tubes..
Capacity:40ml.Tube size:20×180mm.Clear test tube length:17.8cm/7in.The INNER diameter of tube is 0.7in..
Usage:Glass test tube can be used to store candy,granular food materials,liquid,sample,powder or cultivated plants.The transparent test tube is suitable for various scientific tests..
Material:Glass test tubes can be heated.Test tubes are made of borosilicate glass..
Features:The cork has a good seal and the cork stopper test tubes can be used repeatedly after cleaning..

1:Color comparison tubes are used for visually comparing solution sample colors..
2:Matched set of six tubes for consistent graduated-ring scale..
Shadowless bottom transmits undistorted light.
no dark spots form when tube is filled with liquid and viewed from the top using a light source beaneath the tube.

...rable centrifuge tubes? Our centrifuge tubes are made of high-purity PP material, which is strong, durable, leak-proof, not easy to break, and have excellent transparency, chemical stability and long service life..
UNIQUE DESIGN - The transparent appearance with high visibility allows you to easily view the internal samples and the clear scale is easy to read. The longer blue screw cap can tightly seal the test tubes to prevent sample leakage. The plastic centrifuge tubes also include a white writing area for easy marking and identification..
GREAT VALUE FOR MONEY - The surface of the inner wall is smooth and there is no residual solution. The 4 test tube racks are convenient for storing your samples. You will obtain 200 PCS conical centrifuge tubes to meet your various experimental needs. The capacity of the centrifuge tubes is 15 ml. The size of the test tube rack is 10 x 4.4 x 2.5 inches..
WIDE RANGE OF APPLICATIONS - The 15 ml centrifuge tubes are very suitable for hospitals, scientific laboratories, schools, epidemic prevention stations, preclinical research, separation and preparation of biological samples, biochemistry and more..
30-DAY RETURN SERVICE - We will answer product questions and after-sales questions for you within 24 hours. If you are ....

Twelve glass conical centrifuge tubes with 17mm diameter and 15ml capacity.
Tubes are ideal for centrifugation as well as sample storage and culture growth.
Conical shape encourages material mixing within tube.
Economic package size can fill classroom needs effectively.
Appropriate in professional and home lab settings.

【LEAK-PROOF DESIGNED】 - These 15mL centrifuge tubes are made in high purity PP material with longer length screw caps, which is used to prevent sample leakage and smooth, flat inner surface, no residual solution..
【AUTOCLAVABLE AND FREEZABLE】 - Centrifuge tube is Gamma radiation or EO sterilized, non-pyrogenic, DNase/RNase free. Max. RCF: 9,400 for conical bottom tubes.
it is autoclavable at 121℃/249.8℉ and freezable to -80℃/-176℉..
【WRITING AREA】 - Plastic centrifuge tubes with a large unerasable frosting white printed writing area for easy marking and identification. The patches are nice for labelling, and both the clear conical tubes and writing areas are chloroform-resistant..
【EASY TO READ】 - Black graduations of plastic centrifuge tubes are accurate to ±2%, start at 2mL, 1mL increments, total 15mL. So these lab centrifuge tubes are better for science experiments..
【WIDE APPLICATIONS】 - Our plastic centrifuge tubes are generally used in fields of biochemistry and molecular biology, designed for in vitro diagnostic use, such as separation and preparation of various biological samples..

1:Color comparison tubes are used for visually comparing solution sample colors..
2:Matched set of six tubes for consistent graduated-ring scale..
Shadowless bottom transmits undistorted light.
no dark spots form when tube is filled with liquid and viewed from the top using a light source beaneath the tube.

Polycarbonate construction with rubber non-slip feet.
Gridded and keyed one-position lids for easy sample identification.
0.5 mL tube adapters supplied as standard with the 0.5-2.0 mL tube size versions.
Temperature-retention graph supplied with each of the 7 styles available.
Versions available for 0.5 and 1.5/2.0 mL microcentrifuge tubes and cryogenic vials and a 96-place version for 0.2 mL tubes and assay plates.