本部分规定了Lofton-Merritt染色剂的制备、使用和显色反应。它应与ISO 9184-1结合使用，如有必要，还应与ISO 9184-2中规定的其他染色试验结合使用。Lofton-Merritt染色试验适用于未漂白和漂白针叶木化学浆、针叶木浆中未漂白硫酸盐和亚硫酸盐、未漂白半化学硫酸盐和亚硫酸盐浆的定性和定量鉴别。

This part specifies the preparation, use and colour reactions of Lofton-Merritt stain. 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 unbleached and bleached softwood chemical pulps, unbleached kraft and sulfite in softwood pulps, unbleached semi-chemical kraft and sulfite pulps.