Hodnota pH
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Barva pufru
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pH buffer
Pufr Reagecon, pH 12,00, 1 litr, 25°C
CRM112025
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Pufr pH 6.865 ± 0.010 při 25°C DIN19266
CRM10687
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CRM Pufr Reagecon, pH 10,00, barevný, 25°C, 500ml
CRM1100525C
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Pufr pro přesná měření, barevně kódovaný, pH 7,000 ± 0,010, 500ml
CRM107000C
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Standard pufru pH = 9,21 ± 0,02, 25 °C, 500 ml, modrý
CRMTB921
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Základní pufr dle NIST, pH 9,225, 500 ml
CRM109225
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Potassium Hydrogen Phthalate, 60 g
SRM84l
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Boric Acid Acidimetric Standard, 100 g
SRM973
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Sodium Bicarbonate, 30 g
SRM2191a
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NaHCO3 (191d-I), Na2CO3 (191d-II), (ph Standard), 2 lahvičky s 25 a 30g látek
SRM191d
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Sodium Carbonate, 30 g
SRM2192a
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Potassium Tetroxalate Dihydrate pH Standard, 65 g
SRM189c
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