Are these tubes 40ul?

They are standard capillary tubes

Is it the 'receptacle' that has one open end or the tubes themselves that each have an open end? Or is it both??

The tubes themselves have only one open end and the the vial they come in has a hole in the top

Eisco Labs Borosilicate Glass Capillary Melting Tube In Receptacle One

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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$38.12

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Description

🔥 Melt the competition with precision and durability! 🔬

UNMATCHED THERMAL RESILIENCE - Borosilicate glass withstands up to 820°C, perfect for high-temp lab environments and thermal shocks.
LAB GRADE QUALITY YOU CAN TRUST - Manufactured under strict quality controls with premium raw materials for professional-grade reliability.
EFFORTLESS SINGLE TUBE DISPENSING - Innovative container with a one-tube opening keeps your workflow smooth and contamination-free.
PRECISION ENGINEERED FOR ACCURACY - 4-inch length and 0.05-inch diameter ensure reliable melting point determination every time.
STERILIZABLE CHEMICALLY DURABLE - Autoclavable tubes resist chemical corrosion, ensuring longevity and consistent performance.

Eisco Labs Borosilicate Glass Capillary Melting Tubes are 4 inches long with a 0.05-inch outer diameter, designed for precise melting point analysis. Packaged in a convenient 100-count container with a single-tube dispensing hole, these autoclavable tubes offer superior chemical resistance and can endure temperatures up to 820°C. Crafted with premium borosilicate glass and rigorous quality standards, they deliver reliable performance in demanding laboratory settings.

Specifications

ASIN	B017OARJIE
Best Sellers Rank	#220,678 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #971 in Tape Measures
Brand Name	Eisco
Customer Reviews	4.3 4.3 out of 5 stars (31)
Item Dimensions	15.2 x 10.2 x 10.2 centimeters
Item Weight	23 g
Manufacturer	EISCO
Model Number	CH0882B
Part Number	CH0882B
UPC	849230062460

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