Accuracy of three test methods was studied. As conclusion, spectrophotometry featured high stability, simple and rapid operation, has important application value for the testing of vat dye colo…
结果表明，分光光度法测定还原染料强度具有很高的稳定性，且操作方便快捷，在还原染料生产和质量控制中具有重要的应用价值。
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