標準號：BS EN ISO 7579-2009
中文標準名稱：顏料.在有機溶劑中溶解度的測定.重量法和光度測定法
英文標準名稱：Dyestuffs - Determination of solubility in organic solvents - Gravimetric and photometric methods
標準類型：G54
發布日期：2009/11/30 12:00:00
實施日期：2009/11/30 12:00:00
中國標準分類號：G54
國際標準分類號：87.060.10
引用標準：ISO 787-2;ISO 2811-1;ISO 15528
適用范圍：This International Standard specifies two methods for determining the solubility of dyestuffs in organic solvents. They are applicable to dyestuffs that do not change chemically under the influence of the solvent and are stable and non-volatile under the specified drying conditions. For volatile solvents (boiling point < 120 °C), the gravimetric procedure is recommended and, for less volatile solvents (boiling point > 120 °C), the photometric procedure is recommended. The choice of procedure should be made on a case-by-case basis.The methods are suitable for concentrations between 1 g and 1 000 g of dyestuff per litre of solvent. Higher concentrations can be used provided the viscosity of the solution is such that the procedure can be carried out readily.The methods are not suitable for the determination of insoluble matter in a dyestuff.