IS 9571 : 1980 Specification for Photoelectric Colorimeter (Single Beam)
| UDC 681.784.86.082.52 | PGD 22 |
|
| Reaffirmed 2021 |
1 Scope
1.1 This standard covers the basic requirements for single beamcalorimeter used for measuring absorption of light by colouredsolutions in the region 400 to 700 mm.