Bosannya, dah berapa kali inject standard alkohol ni. Asyik tak sama je resultnya. Last week, inject 1ppm,2ppm,3ppm selari je paek area. Today, inject 0.5ppm, 1.5ppm,2.5ppm, peak area besar gila & tak logik. Customer dok helo2 nak result cepat. Boss, nak buek camno ni?Tulun...
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