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دستگاهای آزمایشگاهی
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شیشه آلات
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فیلتر یا کاغذ صافی
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جستجوهای مرتبط
بافر 4 بسته 30 عددی کد 199001 مرک آلمان
For calibration of pH meters.
- Practical 30 ml sachets - one use per sachet - no risk of contamination
- Solutions are always fresh and ready to use
- Batch traceable to NIST
- Reference temperature: +25 °C
- Precise: Deviation is max. ±0,015 pH units
| Description | Pk | Cat. No. | Price |
|---|---|---|---|
| CertiPUR® buffer solution, pH 10,00, boric acid, sodium hydroxide, potassium chloride | 30 | 1.99004.0001 | £53.10 |
| CertiPUR® buffer solution, pH 11,00 (25 °C), boric acid, sodium hydroxide, potassium chloride | 30 | 1.99021.0001 | £53.10 |
| CertiPUR® buffer solution, pH 12,00 (25 °C), potassium dihydrogen phophate, sodium hydroxide | 30 | 1.99022.0001 | £53.10 |
| CertiPUR® buffer solution, pH 2,00 (25 °C), citric acid, sodium hydroxide, hydrogen chloride | 30 | 1.99012.0001 | £53.10 |
| CertiPUR® buffer solution, pH 4,01, potassium hydrogen phthalate | 30 | 1.99001.0001 | £53.10 |
| CertiPUR® buffer solution, pH 7,00, potassium hydrogen phosphate, di-sodium hydrogen phosphate | 30 | 1.99002.0001 | £53.10 |
| CertiPUR® buffer solution, pH 9,00, boric acid, sodium hydroxide, potassium chloride | 30 | 1.99003.0001 | £53.10 |
| CertiPUR® buffer solution, pH 9,18 (25 °C), di-sodium tetraborate | 30 | 1.99019.0001 | £53.10 |
| CertiPUR® buffer solution, set 2 (pH 4,01, 7,00 and 10,00 at 25 °C) | 30 | 1.99006.0001 | £53.10 |
| CertiPUR® buffer Sslution, set 1 (pH 4,01, 7,00 and 9,00 at 25 °C) | 30 | 1.99005.0001 | £53.10 |
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