- 產(chǎn)品描述
burkert電導(dǎo)率儀8221 寶德電導(dǎo)率儀8221、burkert電導(dǎo)率儀8221、寶德電導(dǎo)率儀8221、burkert 8221電導(dǎo)率儀、寶德 8221。電導(dǎo)率與水的硬度:水溶液的電導(dǎo)率直接和溶解固體量濃度成正比,而且固體量濃度越高,電導(dǎo)率越大。電導(dǎo)率和溶解固體量濃度的關(guān)系近似表示為:1.4μS/cm=1ppm或2μS/cm=1ppm(每百萬單位CaCO3)。
burkert電導(dǎo)率儀8221 寶德電導(dǎo)率儀8221簡(jiǎn)介:
The 8221 Hygienic conductivity probes are used to determine electrical conductivity in solutions.Due to their hygienic design and the robust layout, these conductivity probes are suitable for use under demanding conditions in food &beverage, pharmaceutical, biotechnology and the general chemical industry.
注意事項(xiàng):
(1)以電導(dǎo)率間接測(cè)算水的硬度,其理論誤差約20-30ppm
(2)溶液的電導(dǎo)率大小決定分子的運(yùn)動(dòng),溫度影響分子的運(yùn)動(dòng),為了比較測(cè)量結(jié)果,測(cè)試溫度一般定為20℃或25℃
(3)采用試劑檢測(cè)可以獲取比較準(zhǔn)確的水的硬度值。
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