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過硫酸鉀（無氮）

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貨品編號(hào)：

C26598-200g

品牌：

FU試劑

商品詳情

品牌：FU試劑
所屬分類：專用試劑
商品編號(hào)：C26598-200g

<p style="margin: 0cm 0cm 0.0001pt; text-indent: 30pt; line-height: 24pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">因應(yīng)【HJ 636—2012水質(zhì) 總氮的測(cè)定 堿性過硫酸鉀消解紫外分光光度法】，檢測(cè)水中總氮，國(guó)標(biāo)要求：<o:p></o:p><p style="margin: 0cm 0cm 0.0001pt; line-height: 24pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">氮含量<0.0005%（5ppm）<o:p></o:p><p style="margin: 0cm 0cm 0.0001pt; line-height: 24pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">空白值<0.03<o:p></o:p><p style="margin: 0cm 0cm 0.0001pt; text-indent: 24pt; line-height: 24pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">弗霓提供符合此國(guó)標(biāo)使用的過硫酸鉀無氮AR試劑，此產(chǎn)品區(qū)別于市售其他產(chǎn)品，不使用過硫酸銨為原料，原料及過程中都避免了N元素的摻入，保證出結(jié)果，無需耗時(shí)費(fèi)力的重結(jié)晶提純，無需各個(gè)環(huán)節(jié)找失敗原因，開瓶直接使用。<o:p></o:p><p style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">技術(shù)指標(biāo)如下:<o:p></o:p><table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="351" style="width:263.0pt;margin-left:4.65pt;border-collapse:collapse;mso-yfti-tbllook: 1184;mso-padding-alt:0cm 5.4pt 0cm 5.4pt"><tbody><tr style="mso-yfti-irow:0;mso-yfti-firstrow:yes;height:13.5pt"><td width="143" nowrap="" valign="bottom" style="width: 107.1pt; border-width: 1pt; border-style: solid; border-color: windowtext; padding: 0cm 5.4pt; height: 13.5pt;">項(xiàng)目<o:p></o:p></td><td width="208" nowrap="" valign="bottom" style="width: 155.9pt; border-top: 1pt solid windowtext; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; padding: 0cm 5.4pt; height: 13.5pt;">指標(biāo)<o:p></o:p></td></tr><tr style="mso-yfti-irow:1;height:14.25pt"><td width="143" nowrap="" valign="bottom" style="width: 107.1pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">含量<o:p></o:p></td><td width="208" nowrap="" valign="bottom" style="width: 155.9pt; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">≥99.0%<o:p></o:p></td></tr><tr style="mso-yfti-irow:2;height:14.25pt"><td width="143" nowrap="" valign="bottom" style="width: 107.1pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">澄清度<o:p></o:p></td><td width="208" nowrap="" valign="bottom" style="width: 155.9pt; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">3號(hào)<o:p></o:p></td></tr><tr style="mso-yfti-irow:3;height:14.25pt"><td width="143" nowrap="" valign="bottom" style="width: 107.1pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">水不溶物<o:p></o:p></td><td width="208" nowrap="" valign="bottom" style="width: 155.9pt; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">≤0.005%<o:p></o:p></td></tr><tr style="mso-yfti-irow:4;height:14.25pt"><td width="143" nowrap="" valign="bottom" style="width: 107.1pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; background-color: rgb(247, 150, 70); padding: 0cm 5.4pt; height: 14.25pt;">總氮<o:p></o:p></td><td width="208" nowrap="" valign="bottom" style="width: 155.9pt; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background-color: rgb(247, 150, 70); padding: 0cm 5.4pt; height: 14.25pt;">0%<o:p></o:p></td></tr><tr style="mso-yfti-irow:5;height:14.25pt"><td width="143" nowrap="" valign="bottom" style="width: 107.1pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">重金屬<o:p></o:p></td><td width="208" nowrap="" valign="bottom" style="width: 155.9pt; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">≤0.001%<o:p></o:p></td></tr><tr style="mso-yfti-irow:6;height:14.25pt"><td width="143" nowrap="" valign="bottom" style="width: 107.1pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">鐵<o:p></o:p></td><td width="208" nowrap="" valign="bottom" style="width: 155.9pt; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">≤0.0002%<o:p></o:p></td></tr><tr style="mso-yfti-irow:7;mso-yfti-lastrow:yes;height:14.25pt"><td width="143" nowrap="" valign="bottom" style="width: 107.1pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">錳<o:p></o:p></td><td width="208" nowrap="" valign="bottom" style="width: 155.9pt; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 14.25pt;">≤0.0001%<o:p></o:p></td></tr></tbody></table><span style="font-size: 12pt; font-family: "Microsoft YaHei Light", sans-serif; color: rgb(102, 102, 102); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">總氮是指水體中有機(jī)氮和無機(jī)氮含量的總和，總氮是控制水質(zhì)的一項(xiàng)重要指標(biāo)。測(cè)定水質(zhì)總氮的國(guó)家標(biāo)準(zhǔn)方法是堿性過硫酸鉀消解紫外分光光度法(HJ636—2012)。用該法測(cè)定水質(zhì)總氮，常發(fā)生標(biāo)準(zhǔn)曲線線性達(dá)不到要求和空白值偏高的問題，而這兩項(xiàng)問題直接影響了測(cè)定結(jié)果的準(zhǔn)確性。影響總氮測(cè)定的主要因素是過硫酸鉀與氫氧化鈉試劑的總氮含量，這二種試劑符合要求，檢測(cè)輕松完成<span style="font-size: 12pt; font-family: "Microsoft YaHei Light", sans-serif; color: rgb(102, 102, 102); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"> <span style="font-size: 12pt; font-family: "Microsoft YaHei Light", sans-serif; color: rgb(102, 102, 102); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"> <div><span style="font-size: 12pt; font-family: "Microsoft YaHei Light", sans-serif; color: rgb(102, 102, 102); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><img src="http://www.rljrfdff.cn/public/images/c3/ee/22/17bfd22e0b8c104974e3a752ccb3fa0c9058853a.png?1591662607#w"></div>

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