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Author Comment Last activity Moderation
Ernie "I afraid that using a laser will not tell you much about the chemical composition of any contamints in your water. The laser spectrum is much too ..." | Read more » over 7 years ago
Ernie "Some typo's in my previous post: To normalize your sample spectrum, you will want (delete "you") to divide... Use an (delete "sample") empty bottle..." | Read more » over 7 years ago
Ernie "I hope your system is mechanically stable so as to get reproducible spectra. With regard to the illumination spectrum (the LED), it is not truly w..." | Read more » over 7 years ago