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czerwień metylowa, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. C.I. 13020

Dostawca: VWR Chemicals

86159.150EA 136 PLN
86159.150 86159.180
czerwień metylowa, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. C.I. 13020
czerwień metylowa
Formuła: C₁₅H₁₅N₃O₂
MW: 269,3 g/mol
Numer MDL: MFCD00002425
Numer CAS: 493-52-7

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Wyniki testów specyfikacyjnych

pH range (red-violet to brownish-yellow) 4,5 - 6,2
Absorption maximum λ1 (pH 4,5) 523 - 526 nm
Absorption maximum λ2 (pH 6,2) 427 - 437 nm
Absorptivity (A1%/1 cm; λ1; pH 4,5 on dried sample) 1380 - 1480
Absorptivity (A1%/1 cm; λ2; pH 6,2 on dried sample) 700 - 800
Transition range acc. ACS Passes test
Loss on drying (110 ºC) ≤ 5%

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