NANOCOLOR® Colour Photometric determination of colours Photometric determination with cuprizone (oxalic acid bis-cyclohexylidene hydrazide). In weakly alkaline solution copper(II) ions react with cuprizone [oxalic acid bis(cyclohexylidene hydrazide)] to Read More »
ชุดทดสอบทองแดง Standard Test (0.1 – 10.0 mg/l Cu2+)
