Conical flasks of 500 ml and 1000 ml sizes made of Corning glass or similar material are specified for general laboratory use related to sediment analyses. The flasks must be Erlenmeyer and narrow mouthed, and comply with IS 1381 (Part I)-1976 standards.

1. 20.022 CONICAL FLASKS
Approval Date: 20 May 1998
Reviewed on : 23 October 2007 Version: 1
Equipment Specification: CONICAL FLASKS Version 1 20.022-1/2
Purpose
The conical flask will be used for general laboratory use related to sediment analyses.
Conditions & Requirements
The flask shall comply with IS 1381 (Part I)-1976.
Specifications
type Erlenmeyer, narrow mouth
material Corning glass or similar
size 500 and 1000 ml

2. 20.022 CONICAL FLASKS
As per HP-I
Approval Date: 20 May 1998 Version: 1
Equipment Specification: CONICAL FLASKS Version 1 20.022-2/2
Purpose
The conical flask will be used for general laboratory use related to sediment analyses.
Conditions & Requirements
The flask shall comply with IS 1381 (Part I)-1976.
Specifications
type Erlenmeyer, narrow mouth
material Corning glass or similar
size 500 and 1000 ml