10850 Chlorophyll A Standards, Each

Details:

Package includes two 20 ml ampoules with known concentration of chlorophyll a in a 90% acetone solution. Liquid primary chlorophyll a standards, saves time and money, simple and accurate, 2 months guaranteed, documented, prepared in 90% acetone/10% distilled water concentration determined using a spectrophotometer and the lorenzen monochromatic equations. High fluorometric standard: 20 ml of chlorophyll powder isolated from a. Nidulans dissolved in 90% acetone. Low fluorometric standard: 20 ml of chlorophyll powder isolated from a. Nidulans dissolved in 90% acetone. Concentration of this standard is approximately 10% of high standard. The concentration of each lot will vary, but the final concentration will be listed on the certificate of analysis and reported to three significant figures. 67-64-1