The document specifies crucibles to be used for sediment analysis in the laboratory. The crucibles must be made of glazed porcelain, have a diameter of 50mm and height of 32mm, and comply with industry standard IS 2873-1975. The lid must have an internal diameter at least 2mm greater than the maximum external diameter of the crucible.

1. 20.016 CRUCIBLES
Approval Date: 20 May 1998
Reviewed on : 23 October 2007 Version: 1
Equipment Specification: CRUCIBLES Version 1 20.016-1/2
Purpose
The crucibles will be used for general laboratory use related to sediment analyses.
Conditions & Requirements
• The crucibles shall comply with IS 2873-1975
• The internal diameter of lid shall be at least 2 mm greater than the maximum external
diameter of the crucible.
Specifications
material all surface glazed porcelain
dimensions diameter 50 mm
height 32 mm

2. 20.016 CRUCIBLES
As per HP-I
Approval Date: 20 May 1998 Version: 1
Equipment Specification: CRUCIBLES Version 1 20.016-2/2
Purpose
The crucibles will be used for general laboratory use related to sediment analyses.
Conditions & Requirements
• The crucibles shall comply with IS 2873-1975
• The internal diameter of lid shall be at least 2 mm greater than the maximum external
diameter of the crucible.
Specifications
material all surface glazed porcelain
dimensions diameter 50 mm
height 32 mm