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硝酸鹽檢測(cè)盒
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產(chǎn)品名稱:
硝酸鹽檢測(cè)盒
產(chǎn)品型號(hào):
931041，0-120 mg/l NO3–
產(chǎn)品廠商:
MN(MACHEREY-NAGEL)測(cè)試紙/水質(zhì)檢測(cè)試劑盒/水質(zhì)分析儀
產(chǎn)品文檔:
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簡(jiǎn)單介紹
◆德國(guó)MN的931041硝酸鹽檢測(cè)盒，可檢測(cè)的硝酸鹽范圍是0-1-3-5-10-20-30-50-70-90-120mg/l NO3–，可使用110次，保質(zhì)期18個(gè)月，試劑補(bǔ)充裝的型號(hào)是931241.VISOCOLOR? ECO Nitrate
硝酸鹽檢測(cè)盒 的詳細(xì)介紹
硝酸鹽檢測(cè)盒 VISOCOLOR® ECO Nitrate
◆德國(guó)MN的931041硝酸鹽檢測(cè)盒，可檢測(cè)的硝酸鹽范圍是0-1-3-5-10-20-30-50-70-90-120mg/l NO3–，可使用110次，保質(zhì)期18個(gè)月，
◆試劑補(bǔ)充裝的型號(hào)是931241.
VISOCOLOR® ECO 說(shuō)明內(nèi)容 | 詳細(xì)描述 |
測(cè)試原理 | 滴定計(jì)數(shù)法： |
目測(cè)法 |
不含危險(xiǎn)特質(zhì)，不會(huì)產(chǎn)生環(huán)境污染 |
價(jià)格經(jīng)濟(jì) |
使用方便 |
具有更高的靈敏度和**性 |
由于分開(kāi)滴定試劑，顏色變化更為明顯 |
試劑瓶上清楚的標(biāo)有用量說(shuō)明 |
測(cè)試方法 | 1、在取樣試管中加入樣品溶液 |
2、加入指示試劑混合均勻 |
3、 逐滴加入滴定溶液 |
4、直到指示劑發(fā)生顏色變化 |
注計(jì)算滴數(shù)：1 滴=1 個(gè)測(cè)量單位，例如：1 °d |
硝酸鹽檢測(cè)盒Colorimetric determination of nitrateNitrate is reduced to nitrite with an inorganic reducing agent. Nitrite is then diazotised with an aromatic amine and simultaneously coupled to form an azo dye.
Nitrite interferes (same reaction), but can be eliminated by boiling with amidosulphuric acid (Cat. No. 918 973). Oxidising substances such as chlorine can lower the result or completely inhibit the reaction depending on their concentration.
硝酸鹽檢測(cè)盒Data and ordering information
Cat. No. | 931 041 (931 241) |
Type | colorimetric test kit (refill pack) |
Range | 0-1-3-5-10-20-30-50-70-90-120 mg/l NO3– |
Sufficient for | 110 determinations |
Shelf life | at least 18 months |
Sea water suitability | yes |
Detectable with PF-11 | yes |
Nitrates occur in most ground and surface waters in concentrations of up to 20 mg/l. In addition to mere geological influences nitrate concentrations can also increase from agricultural sources (fertilisers). The VISOCOLOR® test kits are intended for the determination of nitrate in surface and drinking water and in industrial waste waters which do not contain high concentrations of interfering ions.
