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【单选题】
下列现象或新技术应用中，不涉及胶体性质的是（ ）A.
在饱和氯化铁溶液中逐滴加入NaOH溶液，产生红褐色沉淀
B.
用可见光束可以鉴别红褐色的氢氧化铁胶体和溴水
C.
清晨，茂密的树林中，常常可以看到从枝叶间透过一道道光柱
D.
肾功能衰竭等疾病引起的血液中毒，可利用血液透析进行治疗
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