Superior Quality - Bigger ink ribbon replacement for erc09 utilize ultrasonic welding machine to splice the ribbon, smooth nylon base and fine ink particles are capable of printing clearly, resisting to fade and...
Hydrion Insta-Chek pH Papers provide:
A direct reading pH paper with the widest range available in a single paper
A simple, single color match for all pH values
Distinct and easily matched color separations
Accurate,...
Mfr #: GWF-BS-XS | Manufacturer: TWD Scientific
Residual samples can be rinsed to guarantee 100% transfer.
Five different sizes of funnels fit to various flask sizes.
X-Small funnels fit 96-well mini-tubes and...