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avatar: KK1
KK1
2 posts
Replied to KK1's post on September 10th, 2019
What could possibly cause my blank to not read zero?! I'm getting high and negative numbers. I got 3.113 thrn -. 20 etc... Up and down. Usually eventually I will get 0.00. Have not been able to get. I have to get blank of positive zero 0.00 mean before running standards. For an hour I was not able to get a positive zero The blank is distilled water!!
avatar: HectorAtlas
HectorAtlas
1 posts
Replied to KK1's post on September 17th, 2019

What instrument and methods are you running?

avatar: KK1
KK1
2 posts
Replied to KK1's post on September 18th, 2019

AA 400, looking at Na and K. With K, I have a filter insert.