pH值是的水質檢測指標之一,天然水的pH值多在6~9范圍內;飲用水pH值要求在6.5~8.5之間;某些工業(yè)用水的pH值應保證在7.0~8.5之間,否則將對金屬設備和管道有腐蝕作用。pH值和酸度、堿度既有區(qū)別又有聯(lián)系。pH值表示的水的酸堿性的強弱,而酸度或堿度是水中所含酸或堿物質的含量。水質中的pH值的變化預示了水污染的程度。
人體健康與pH值的直接關系是不明確的,但pH值可通過影響其他水質指標及水處理效果而影響健康。
pH值在6.5~9.5范圍內并不影響飲用及健康,但pH值過低會腐蝕水管,過高會使溶解鹽析出、降低氯化消毒作用。據調查,我國絕大多數(shù)天然水中pH值范圍在6.5~8.5之間,故我國《生活飲用水衛(wèi)生規(guī)范》規(guī)定:pH值范圍在6.5~8.5之間。
本產品是酸度計智能化升級產品,可對水質、污水pH值進行連續(xù)測量和控制。
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