Fibre furnish analysis of paper, board and pulps Method of test by Lofton-Merritt stain (Wisbar modification)
|Standard number:||BS 7463-5:1991|
|ISBN:||0 580 19829 4|
This standard BS 7463-5:1991 Fibre furnish analysis of paper, board and pulps is classified in these ICS categories:
- 85.060 Paper and board
- 85.040 Pulps
This part of ISO 9184 specifies the preparation, use and colour reactions of Lofton-Merritt stain in fibre furnish analysis. It should be used in conjunction with ISO 9184-1 and, if necessary, with other staining tests defined in ISO 9184-2.
The Lofton-Merritt staining test is applicable to the qualitative and quantitative differentiation of the following pulps:
- unbleached and bleached softwood chemical pulps;
- unbleached kraft and sulfite in softwood pulps;
- unbleached semi-chemical kraft and sulfite pulps.