What Is A Scale Straw

The scale straw is commonly used in laboratories, and is usually made of sodium and liquid glass. The complete straw should have a separation line, nominal capacity, type mark, standard temperature (20 ° C), accurate level, trademark or factory Name and other labels! There are eleven different specifications. Among them, the values of the separation line and quantity should be clear, complete, and durable, and the specific requirements should meet the current national standards.

Component outline and income. Measurement -used to measure the volume of the liquid excreted in the measuring device, and the symbol is "EX" quantitative formula -the volume of the liquid in the inner wall (dry inner wall), the symbol is "in" accuracy: Class A and B, the capacity difference between the B -level is double the capacity difference.