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КАТАЛОЖНЫЙ НОМЕР: 273616
Буферн. Раствор pH 4.00 (20°C) (красный цвет)
TARIC 3822 00 00 00
The measure pH в the quality control our буферн. solutions is traceable с the formulation в соответствии с U.S. National Institute Standards и Technology Buffers .
PHYSICAL DATA: жидкость, Смешивается с водой • D 1,0 • pH4,0 •
Библиография:
Опасная Доза:
Вес/ОБЪЕМ: 1l~1,005 kg 1kg~0,995 l
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COMPOSITION: |
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Лимонная кислота 1 H2O |
11,768 g |
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Натрия Гидроксид 50% sol. (масс.) |
6 ml |
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Соляная Кислота 35% |
3,96 ml |
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Preservative 1% |
5 ml |
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Амарант |
4 mg/l |
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Вода (для объема) |
1 l |
Спецификация:
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pH VALUES зависит от TEMPERATURE: |
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T (°C) |
ApH |
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0 5 10 15 20 25 30 35 40 50 |
+0,05 +0,04 +0,02 +0,01 0 +0,01 +0,01 +0,01 +0,01 0 |
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Uncertainty |
See certificate |
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Traceability |
NIST |
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pH при 20°C |
3,98 - 4,02 |
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PRODUCT CODE: 273616
Buffer Solution pH 4.00 (20°C) (red colour)
TARIC 3822 00 00 00
The measure of pH in the quality control of our buffer solutions is traceable with the formulation according to U.S. National Institute of Standards and Technology Buffers .
PHYSICAL DATA: liquid, Miscible with water • D 1,0 • pH4,0 •
BIBLIOGRAPHY:
HAZARDOUS:
WEIGHT/VOLUME INFORMATION: 1l~1,005 kg 1kg~0,995 l
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COMPOSITION: |
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Citric Acid 1 H2O |
11,768 g |
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Sodium Hydroxide 50% sol. w/w |
6 ml |
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Hydrochloric Acid 35% |
3,96 ml |
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Preservative 1% |
5 ml |
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Amaranth |
4 mg/l |
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Water (s.q.m) |
1 l |
SPECIFICATIONS:
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pH VALUES DEPENDING ON TEMPERATURE: |
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T (°C) |
ApH |
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0 5 10 15 20 25 30 35 40 50 |
+0,05 +0,04 +0,02 +0,01 0 +0,01 +0,01 +0,01 +0,01 0 |
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Uncertainty |
See certificate |
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Traceability |
NIST |
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pH at 20°C |
3,98 - 4,02 |
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