Marble Blood Cell Calculator

760 vintage marbel blood cell calculator.

Marble blood cell calculator.

Used to determine the proportionate number of different cells in a blood specimen. Marbel blood cell calculator 9112 ca 1921 the marbel blood calculator co chicago usa. There are two steps of the formula first of all we need to calculate the reticulocyte index and then correct it to reflect the longer life span of premature reticulocytes. Small adder photo gallery.

Now you can use each of those three volumes to calculate the total number of cells in each of the three steps. This item sold at 2020 may 24 15 38 utc 7. Marbel s blood cell calculator percentage differential films. Remember to keep your address up to date it is the buyer s responsibility to keep their address current.

This requires the percentage of reticulocytes from red blood cells also known as the count the hematocrit value and the normal hematocrit this is usually accounted as 45. Rbc the number of red blood cells in the sample. I will not ship to any other address. Vintage marbel blood cell calculator.

Description plate on front of object reads marbel blood cell calculator percentage calculator for differential blood films adding machine for erythrocytes leucocytes blood platelets. It is measured in x10 12 cells l or x10 6 cells mm 3 and the normal range is between 4 2 and 6 3 x10. This is a determination carried as part of the complete blood count cbc. It is physically obtained as result of the centrifugation of the blood sample.

B ecause i use them to produce the shipping label and calculate the shipping costs. Normal values range between 37 and 52. Sold winning bid undisclosed applicable fees taxes. Currency cad category collectibles start price 20 00 cad estimated at 0 00 0 00 cad.

In the master cell culture you had 200 000 cells ml x 100 ml 20 000 000 cells before taking any samples and 200 000 cells ml x 85 ml 17 000 000 cells after taking the sample.