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Homepage>BS Standards>85 PAPER TECHNOLOGY>85.040 Pulps>BS 7463-5:1991 Fibre furnish analysis of paper, board and pulps Method of test by Lofton-Merritt stain (Wisbar modification)
immediate downloadReleased: 1991-06-28
BS 7463-5:1991 Fibre furnish analysis of paper, board and pulps Method of test by Lofton-Merritt stain (Wisbar modification)

BS 7463-5:1991

Fibre furnish analysis of paper, board and pulps Method of test by Lofton-Merritt stain (Wisbar modification)

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Standard number:BS 7463-5:1991
Pages:10
Released:1991-06-28
ISBN:0 580 19829 4
Status:Standard
DESCRIPTION

BS 7463-5:1991


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.