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purpura bromokrezolowa, AnalaR NORMAPUR® ACS

Dostawca: VWR Chemicals

Synonim: 5',5''-Dibromo-o-cresolsulphonphthalein, 3,3-Bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide

85723.050EA 242 PLN
85723.050 85723.130
purpura bromokrezolowa, AnalaR NORMAPUR® ACS
purpura bromokrezolowa
Formuła: C₂₁H₁₆Br₂O₅S
MW: 540.23 g/mol
Temp. topnienia: 242
Numer MDL: MFCD00011681
Numer CAS: 115-40-2
Klasyfikacja Merck : 13,01371

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Wyniki testów specyfikacyjnych

Clarity of solution Passes test ACS
Identification (UV/VIS) Passes test
Sensitivity Passes test
Visual transition interval pH 5.2 - pH 6.8
Loss on drying (110°C) Max. 1 %
Absorption max. λ 1 max (buffer pH 5.2) 429 - 433 nm
Absorption max. λ 2 max (buffer pH 6.8) 587 - 590 nm
Sp.absorptivity (λ1max; 0.005g/l; pH5.2; dry) 400 - 470
Sp.absorptivity (λ2max; 0.005g/l; pH6.8; dry) 1000 - 1160


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