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Cas 32638-88-3 PyrogallolRed: Applications: Indicators for complexometric titration of bismuth, cobalt(II), nickel, and lead ions. Photometric determination of silver, copper, antimony, titanium, and tungsten ions. Items ...

Phenol Red CAS 143-74-8 Raw Powder Wholesale Purity Degree 99%: Items Standard Appearance Red to dark red crystalline powder Ignition residue (as sulfate) ≤ 0.2 loss on drying ≤ 1.0 Purity (HPLC) ≥97.0% FQA: Q1 Can i get some samples A1 Yes, we can ...

1,10-Phenanthroline Hydrate ISO Certified Reference Purity Degree 99% CAS 5144-89-8: Name (Content and Impurity Content%) Standard Content, % ≥99.0 Appearance White needle-like crystals Molar coefficient of iron complex ≥1.15×104 L/ cm· mol Ethanol Dissolution Experiment ...

Wholesale Purity Degree 99% CAS 125-20-2: Name (Content and Impurity Content%) Standard Melting point °C 251-255 Appearance White or slightly yellow needle-like crystals PH color gamut 9.3 (colorless) - 10.5 (blue) Ash residue ...

Bromocresol Green cas 76-60-8: Uses: Used as an acid-base indicator Items Standard PH 3.8---5.4 yellow green---blue Maximum absorption wavelength (nm) λ1 PH 3.8 440~445 λ2 PH 5.4 615~618 Mass absorption coefficient L/cm·g α1(λ1PH ...

Eriochrome Black T Raw Powder Wholesale Purity Degree 99% CAS 1787-61-7: Items Standard Exterior Black powder Biological staining test Qualified 1787-61-7 FQA: Q1 Can i get some samples A1 Yes, we can supply the free sample, but the shipping cost be paid by our ...

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