在各种分析方法中，为消除干扰，用与测定试样时完全一致的条件进行测定的溶液。测得结果称为“空白值”，应从试样测定结果中扣除，以此提高测定的准确性。或在比色分析中，为消除显色剂及试样中各种共存有色物质产生的干扰、抵胱比色皿和试剂对入射光的影响而用来调节仪器的百分透光率为100%的溶液。
试液的粘度与对应空白溶液的粘度一致，无背景吸收干扰。
The experimental results indicated that viscosity of test solution is identical with its blank solution and there is not background absorption interference.
对介质影响、试液与空白溶液粘度一致性及检出限进行了考察。
Identity of viscosity for test solution and its blank solution, and the effect of medium and detection limit were studied.
试验表明，试液的粘度与其空白溶液的一致，无背景吸收干扰。
The test indicated that the viscosity of test solution is identical with its blank solution and there is not background absorption interference.
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