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Counting chambers are instruments for precise measuring.they are made of special optical glass and serve to
determine the number of particles in liquids,standard counting chambers have counting grids which are engraved
into the chamber bottom,under the microscope the counting grid appears as a grid of dark lines.these counting
chambers have counting grids which are engraved into an annealed metal coating,under normal microscope
settings the counting grid appears as a grid of bright lines,by altering the contrast,the counting grid can also
be made to appear dark.
Counting chambers are instruments for precise measuring.they are made of special optical glass and serve to
determine the number of particles in liquids,standard counting chambers have counting grids which are engraved
into the chamber bottom,under the microscope the counting grid appears as a grid of dark lines.these counting
chambers have counting grids which are engraved into an annealed metal coating,under normal microscope
settings the counting grid appears as a grid of bright lines,by altering the contrast,the counting grid can also
be made to appear dark.
Q:Is your company a factory or trading company?
A:Our company is a professional trading company.
Q:What's your sample policy?
A:Mostly our samples are free,buyers cover freight charge(s).
Q:When is the delivery date?
A:Our delivery date is within fifteen to thirty days after placing the order(uopn receive of your order).
Q:What kind of express delivert do you send?
A:Our cooperation express:DHL,FEDX,UPS,EMS and TNT.
Q:Is your company a factory or trading company?
A:Our company is a professional trading company.
Q:What's your sample policy?
A:Mostly our samples are free,buyers cover freight charge(s).
Q:When is the delivery date?
A:Our delivery date is within fifteen to thirty days after placing the order(uopn receive of your order).
Q:What kind of express delivert do you send?
A:Our cooperation express:DHL,FEDX,UPS,EMS and TNT.