ASTM E1404-94(2019)

Standard Specification for Laboratory Glass Conical Flasks

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STANDARD published on 1.7.2019

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The information about the standard:

Designation standards: ASTM E1404-94(2019)
Publication date standards: 1.7.2019
SKU: NS-967972
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM

The category - similar standards:

Laboratory ware and related apparatus

Annotation of standard text ASTM E1404-94(2019) :

This specification provides standard dimensional requirements for glass conical flasks suitable for general laboratory use. Conical flasks (Erlenmeyer) shall be classified into four types which are divided into classes. Type I is for general purpose with graduated scale and shall be designated into two classes: Class 1 with narrow mouth and heavy duty beaded top and Class 2 with wide mouth and heavy duty beaded top. Type II flasks have tapered ground joint with graduated scale. This type shall be divided into three classes: Class 1 with outer conical, joint without stopper, Class 2 with stopper and Class 3 is used for iodine determination. Flasks of Type III have screw thread finish, with graduated scale. Lastly, Type IV flasks are used for culture and they are differentiated into three classes: Class 1 flask has long neck, plain top, Class 2 has wide base (Fernbach), and Class 3 has also wide base and low form. The flasks shall be made of borosilicate glass.

conical, flasks, glass,, ICS Number Code 71.040.20 (Laboratory ware and related apparatus)

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