عرض 1246–1260 من أصل 1963 نتيجة
Minerals Collection
A quality collection of minerals, in wooden box, with partitioned tray containing 30 specimens, each numbered and enclosed in transparent plastics bag. Specimens may be removed from bags for detailed examination. Each speciman is labelled also on the inside of the box lid, indicating the geological name.
SKU: B19110Miniature Fixed Volume Micropipette
Low cost miniature fixed volume pipettes are specially designed for use with Diagnostic Kits.
FEATURES :
Fully Autoclavable
Each pipette is individually calibrated as per ISO 8655 standards.
Colour coded for different volumes for easy identification in laboratory environment.
UNIQUE TIP-CONE : The tip cone (5 µl, 10 µl, 20 µl) is designed to accept both regular 200 µl tips or ultra micro tips upto 20 µl
Use of Ultra micro tips for volumes upto 20 µl enhances the accuracy and precision very significantly.
Two-step plunger operation facilitates super blow-out from the tip (last drop dispensing), resulting in very high accuracy & precision.
This also allows these pipettes to be used for reverse pipetting and repetitive pipetting. 130 mm in length which is an optimum size for user comfort during pipetting.SKU: MMModel Of D.N.A.
(Deoxyribonucleic acid) Model showing segment of D.N.A. molecule mechanism of replication, to show the double helix coiling and reforming, nucleiotides and the structural formula to show the molecular shapes and bonds and angles distorted. Complete model arranged on a board, fully labelled.
SKU: B12688Model Of Hydra
A longitudinal section showing detailed structure of the body wall, nematocysts, hypostome, mouth, tentacles and gastro vascular cavity. Also showing the testis, ovary and a portion of tentacle in T. S. An accurate and three dimensional model mounted on stand, with key card.
SKU: B12620