| impacode | 651390 |
|---|---|
| uom(单位) | PA |
| title(品名) | 651390 PH TEST PAPER 0-14 |
| desc(描述) | For measuring acidity and alkalinity (hydrogen ion concentration) based on a scale of 0 to 14 where 7 represents the value for pure water at 25oC or neutrality. Values less than 7 represent increasing hydrogen-ion concentration or increasing acidity, and a value greater than 7 represents decreasing hydrogen-ion concentration or increasing alkalinity. |
| cdesc(自动翻译) | 651390 酸碱度试纸（0-14）用于测量基于0到14的酸度和碱度（氢离子浓度），其中7表示25℃纯水或中性的值。数值小于7表示氢离子浓度增加或酸性增强，而大于7则表示氢离子浓度降低或碱性增强。 |
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