Author Comment Last activity Moderation
Ag8n "The Wikipedia article is an interesting read. The initial data said horseshoe crab mortality from L.A.L. testing should be about 3%. However, rec..." | Read more » about 4 hours ago
Ag8n "Here's where life gets a bit interesting. There are substances called pyrogens. These cause a fever, sometimes severe, even if the carrier bacteri..." | Read more » 1 day ago
Ag8n "As a refresher, read USP 31, <1231>"Water for Pharmaceutical Purposes". This is available, for free, from Pharmacopeia online, as mentioned ..." | Read more » 1 day ago
opuslane "Opus Consulting Solutions " | Read more » 3 days ago
Alia999 "Here is Link for best answer " | Read more » 10 days ago
12A " " | Read more » 14 days ago
Ag8n "Error here. It should not be objective c, as noted above. It should be some plastics are showing higher extractables than bulk water. Something..." | Read more » 27 days ago
Ag8n "Getting a hold of the USP used to be difficult and expensive. While current USP may still be expensive, here is a source for older versions. "Pha..." | Read more » 27 days ago
Ag8n "USP/BP/EP means United States Pharmacopoeia,BP is British Pharmacopoeia, and EP is European Pharmacopoeia. Sections of the USP are divided into mo..." | Read more » 27 days ago
Ag8n "The CO2 produced can be measured several ways. Each method has advantages and disadvantages and depends on the final use of the instrument. For exa..." | Read more » 27 days ago
Ag8n "If you want an overview of TOC, Wikipedia is a good start. The current article seems pretty thorough ( dated 19 July 2022 by Any c..." | Read more » 27 days ago
helsinki9759 "To overcome your Netflix issues we are as third party service providers available to solve your problems. You just have to dial Netflix Phone Numbe..." | Read more » 29 days ago
helsinki9759 " " | Read more » 29 days ago
Ag8n "Previous methods could be somewhat hazardous. To give an example, ammonia related chemicals often work their way into drug compounds. It can be f..." | Read more » about 1 month ago
Ag8n "Going back over this. We did a lot of work with total organic carbon (TOC). According to Dr. Paul Whitehead at (the blog title is..." | Read more » about 1 month ago
apzomedia "Thanks for valuable information. Regards, Hasbulla Magomedov " | Read more » about 2 months ago
irganga "A tip is to put the DVD on a pan with water and boil it for 5 to 10 minutes. It would be easier to separate the layers with a knife. " | Read more » about 2 months ago
agentpesnot "This might be of interest to you! Dream collects greenhouse gases and air quality: " | Read more » 2 months ago
bhamster "A researcher at the EPA reported a study back in 2007, testing how samples of certain volatile organic compounds (VOCs) in Tedlar bags are affected..." | Read more » 2 months ago
SBucic "@bhamster Thank you very much. Incredibly helpful information! " | Read more » 3 months ago
bhamster "Hi @SBucic ! Another community group in the past monitored formaldehyde at natural gas compressor stations using an electronic meter. There's some ..." | Read more » 3 months ago
julia_e_masters "I love this question and have wondered similar things myself. From my position, professionally, I've seen organizations like Earthjustice and Cent..." | Read more » 3 months ago
rebeccaMw "Hello @karishmagvanwari I'm Rebecca, the education manager for Public Lab. I made some teacher onboarding resources to help classes get started on ..." | Read more » 3 months ago
renhong710527 " " | Read more » 3 months ago