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colorimetry
colorimetry


Author Comment Last activity Moderation
wpclass1223 "It’s actually a great and useful piece of info. I am happy that you just shared this helpful information with us. Please stay us up to date like th..." | Read more » about 2 years ago
websofttutorials "Very helpful and interesting post. low cost screening product. keep post more informative post. A2 Hosting coupon " | Read more » about 2 years ago
Engineerjaykumar "The soil testing is done in different ways such as: -Surface exploration -subsurface exploration But for mining work a very sensitive and complex m..." | Read more » over 2 years ago
liz "Hi @read_holman , can you see if your link to "Cornell University (choose “Environmental Analysis following US EPA SW-846”)" may have been updated ..." | Read more » almost 3 years ago
ch_tavan " Thank you Lisdahl, I will try to find smaller flow cells that are easier to clean. I use a green LED and a photodiode BPW21 for the detector part..." | Read more » about 3 years ago
lizdahl " That cell is likely just too big for what you are trying to do and therefore hard to flush. I like using z-cells and tiny volumes since it is eas..." | Read more » about 3 years ago
ch_tavan " I use a flow cell that I bought. It is 0.48 ml in volume. I have problems filling the cell and cleaning. I think my cell is not suitable for my fe..." | Read more » about 3 years ago
lizdahl " The main cost for for a FIA or SIA would be a peristaltic pump and a flow cell - I've built my own a couple of times. You could make a flow cell ..." | Read more » about 3 years ago
warren "Hi @read_holman - just dropping some links in here after chatting! Very cool rigorous field evaluations of many many air sensors: http://www.aqmd..." | Read more » about 3 years ago
read_holman "Hey @warren - Just realizing I never replied to your comment. I definitely think a small accessible evaluation (haven't heard that phrase before, ..." | Read more » about 3 years ago
warren "Hi @read_holman! Sorry to respond slowly here. I do think we could try for an accessible evaluation. How much would it cost to buy 2x of each of t..." | Read more » about 3 years ago
read_holman " Thanks. Made a couple edits to the post to (try to) add clarity " | Read more » about 3 years ago
Bronwen "Just to clarify, the soil sampling kit from Citizen Science Community Resources is available by contacting them or @jjcreedon directly (it is not ..." | Read more » about 3 years ago
lipebcampos " I tried to access open2study, but the site is not offering courses anymore. This search tool helped me find courses https://classpert.com " | Read more » about 3 years ago
DanielleS " Thanks @Ag8n !! Do you want to join us to brainstorm about soil testing methods for contaminants at the OpenHour: Date: Monday, April 1st Time: 6..." | Read more » over 3 years ago
evabeauty " chirurgie esthétique tunisie chirurgie esthetique en tunisie chirurgie esthétique tunisie chirurgien esthétique Prix chirurgie esthétique en tunis..." | Read more » over 3 years ago
Ag8n " On pcbs (it's the chlorine part I 'm worried about, here), whenever you put a chlorine containing material in a flame, the flame should turn green..." | Read more » over 3 years ago
warren " Thanks @DanielleS! I added tags benzene,toluene,ethylbenzene,xylene and activity:soil and others to help connect this up with other pages. :tada: " | Read more » over 3 years ago
Ag8n " From a quick look, it seems that PAHs and PNAs (polynuclear aromatic hydrocarbons) are the same thing. We did PNA analysis on carbon black that w..." | Read more » over 3 years ago
Ag8n " The kits for these tests ( someone correct me if I'm wrong) appear to be made by RenekaBio. A quick look down the test procedure and method showe..." | Read more » over 3 years ago
bararesbest " What is the solution 2? " | Read more » over 3 years ago
nshapiro "your google alerts game must be strong @amirberAgain :) " | Read more » over 3 years ago
amirberAgain "Kodus! https://www.sciencedirect.com/science/article/pii/S0360132318307248 " | Read more » over 3 years ago
liz "@liz awards a barnstar to haines241 for their awesome contribution! " | Read more » over 4 years ago