本部分规定了Graff“C”染色剂的制备、使用和颜色反应。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。Graff“C”染色可以识别几乎所有常见的造纸纤维。然而，这需要大量的培训和经验。因此，主要用途是:区分化学浆、半化学浆和机械浆、区分阔叶木浆中的硫酸盐和亚硫酸盐、区分针叶木浆和阔叶木浆（溶解级浆除外）、区分漂白草浆和针叶木浆中的esparto浆。

This part specifies the preparation, use and colour reactions of Graff "C" stain. It should be used in conjunction with ISO 9184-1 and, if necessary, with other staining tests defined in ISO 9184-2. Graff "C" stain allows the identification of almost all the common papermaking fibres. However, this calls for a great deal of training and experience. Thus, main applications are: differentiation of chemical, semi-chemical and mechanical pulps, differentiation of kraft and sulfite in hardwood pulps, differentiation of softwood and hardwood pulps (except dissolving grade pulps), differentiation of bleached straw and esparto pulps in softwood pulps.