Question

give the two disadvantages of sahll's method of HB estimation.​

Answer 1

Hy here is the Answer.....

• The methodology has following inbuilt disadvantages viz: i) subjective visual colour comparison, ii) need for accurate pipetting of 20 microliter of blood, iii) estimation of only acid hematin formed, iv) fading of comparator on prolonged use and v) poor sensitivity and reliability.