Effects of additives on alum hematoxylin staining solutions.
All additives tested (ethyl alcohol, glycerine, chloral hydrate, ethylene and propylene glycol, and citric, malonic and maleic acids) in varying degrees limited the conversion of hematein to insoluble compounds. Peak absorbances increased slightly in hematoxylin solutions containing citric, malonic and maleic acids, but decreased with other additives, and in controls. After four months storage the absorbance in all solutions increased about 50%, acidity increased and staining effectiveness increased.
D000438:Alcohols / Q000494:pharmacology; D000535:Aluminum / Q000592:standards*; D001578:Benzopyrans / Q000592:standards*; D002697:Chloral Hydrate / Q000494:pharmacology; D002951:Citrates / Q000494:pharmacology; D005026:Ethylene Glycols / Q000494:pharmacology; D005990:Glycerol / Q000494:pharmacology; D006416:Hematoxylin / Q000592:standards*; D007455:Iodine; D008298:Maleates / Q000494:pharmacology; D008314:Malonates / Q000494:pharmacology; D010100:Oxygen; D011188:Potassium / Q000592:standards*; D011409:Propylene Glycols / Q000494:pharmacology; D012964:Sodium; D012996:Solutions; D013194:Staining and Labeling / Q000379:methods*; D013431:Sulfates / Q000592:standards
D000438:Alcohols; D001578:Benzopyrans; D002951:Citrates; D005026:Ethylene Glycols; D008298:Maleates; D008314:Malonates; D011409:Propylene Glycols; D012996:Solutions; D013431:Sulfates; D002697:Chloral Hydrate; D007455:Iodine; D012964:Sodium; D000535:Aluminum; D005990:Glycerol; D011188:Potassium; D010100:Oxygen; D006416:Hematoxylin