SU532815A1 - Method for determining nitrate nitrogen in soils and water - Google Patents
Method for determining nitrate nitrogen in soils and waterInfo
- Publication number
- SU532815A1 SU532815A1 SU1960081A SU1960081A SU532815A1 SU 532815 A1 SU532815 A1 SU 532815A1 SU 1960081 A SU1960081 A SU 1960081A SU 1960081 A SU1960081 A SU 1960081A SU 532815 A1 SU532815 A1 SU 532815A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- soils
- water
- nitrate nitrogen
- reagents
- scale
- Prior art date
Links
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Description
(54) СПОСОБ ОПРЕДЕЛЕНИЯ НИТРАТНОГО АЗОТА В ПОЧВАХ И ВОДЕ(54) METHOD FOR DETERMINING NITRATE NITROGEN IN SOIL AND WATER
Колориметрируют, примен дл этой цели невыцветающую эталонную шкалу сравнени с диапазоном 0,05-10 мг/л нитрата.Colorimetry using a non-color reference reference scale for this purpose with a range of 0.05-10 mg / l nitrate.
Невыцветающую шкалу сравнени готов т из препаратов, окращенных в карминовый и фиолетовый цвета. Например, из 0,12 мл туши цвета кармин и 0,23 мл водного раствора (1:140) фиолетовых чернил дл авторучек (или туши) с добавлением 20 мл 48%-ного раствора этилового спирта.A non-flowering comparison scale is prepared from preparations that have been carmine-colored and purple in color. For example, from 0.12 ml of carmine color ink and 0.23 ml of an aqueous solution (1: 140) of violet ink for pens (or ink) with the addition of 20 ml of 48% ethanol solution.
Полученную смесь, имитирующую 10 мг/л 1Штратного азота, последовательно разбавл ют тем же раствором спирта от 10 до 0,05 мг/л нитрата. Оттенки полученной шкалы сличают с оттенками стандартных растворов и при надобности корректируют их увеличением или уменьшением объема фиолетового компонента.The resulting mixture, imitating 10 mg / l of 1 Nitrogen, is successively diluted with the same alcohol solution from 10 to 0.05 mg / l of nitrate. The shades of the scale obtained are compared with the shades of standard solutions and, if necessary, corrected by increasing or decreasing the volume of the violet component.
Примен емые дл анализа пробирки должны иметь строго одинаковый диаметр и емкость.Tubes used for analysis should have exactly the same diameter and capacity.
Невьпдаетающую эталонную шкалу необходимоNon-pending reference scale needed
оберегать от пр мых солнечных лучей и хранить в темном месте.protect from direct sunlight and store in a dark place.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1960081A SU532815A1 (en) | 1973-09-11 | 1973-09-11 | Method for determining nitrate nitrogen in soils and water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1960081A SU532815A1 (en) | 1973-09-11 | 1973-09-11 | Method for determining nitrate nitrogen in soils and water |
Publications (1)
Publication Number | Publication Date |
---|---|
SU532815A1 true SU532815A1 (en) | 1976-10-25 |
Family
ID=20564735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1960081A SU532815A1 (en) | 1973-09-11 | 1973-09-11 | Method for determining nitrate nitrogen in soils and water |
Country Status (1)
Country | Link |
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SU (1) | SU532815A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995033201A1 (en) * | 1994-05-27 | 1995-12-07 | Ciba-Geigy Ag | Process for checking the saturation level of activated carbon filters |
-
1973
- 1973-09-11 SU SU1960081A patent/SU532815A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995033201A1 (en) * | 1994-05-27 | 1995-12-07 | Ciba-Geigy Ag | Process for checking the saturation level of activated carbon filters |
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