Put 1 ml sample solution into in vitro Acetyl acetone solution 1 ml fill (Appendix 5), Tom long, 20 minutes in boiling water fill 95 percent ethyl alcohol volume of 10 ml and 1 ml reagent refill solution ehrlich (Appendix 2) mix together the 30 minutes is going to be measured up to absorb light at 530 nm wave length. Find code is noklu SA has against the standard green graph code SA has the solution concentration of 0-300 maikhrokram per ml (Appendix b 2).
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