Turner Designs Liquid Primary Chlorophyll A Standards, 2 x 20mL

Supplier:  Turner Designs 10850

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. ** The chlorophyll standards CANNOT be returned because they must be kept on ice during transit**

Catalog No. NC9090787