HomeProductsStaining kitsPTAH Stain Kit (Phosphotungstic Acid Hematoxylin)PTAH Stain Kit (Phosphotungstic Acid Hematoxylin)Research use only (RUO)GennovaSpecificationsIsotypeIgG2aRecommended dilution1:100 – 1:500Antigen retrievalCitrate buffer pH 6.0Positive controlLiverStorageStore at 2–8 °C. Do not freeze.