4,2دی نیترو فنول با کد 103464 مرک, (2,4Dinitrophenol (alpha-dinitrophenol) indicator (with 0.5 ml H2O/g

                                                                                                      مشخصات محصول
 

                                                                                               SPECIFICATION:
Identity UV/VIS-Spectrum passes test

Transition range pH 2.8 - pH 4. Slightly greenish-yellow - greenish-yellow

Absorption maximum lambda 1 buffer pH 2.8 259 - 263 nm

Absorption maximum lambda 2 buffer pH 4.0 353 - 358 nm
Spec. Absorptivity A 1%/1cm lambda1max; 0.0015 %; buffer pH 2.8; calc. on anhydrous substance 600 - 700

Spec. Absorptivity A 1%/1cm lambda2max; 0.0015 %; buffer pH 4.0; calc. on anhydrous substance 440 - 540

Water according to Karl Fischer about 33 %

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