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Contaminants in your your lab? What you should look for.
Performance vs. Prescriptive Based EPA Methodology
The Problem of PFAS: Part 2 - Top Regulations
What to know when transitioning from EPA method 525.2 to 525.3
The Problem of PFAS – Background
Why Concentrate Down to 1 mL End Point? Can you go down to 0.5 mL?
The Importance of Quality Control on Lab Solvents & SPE Consumables
What is the difference between an Internal Standard and Surrogate?
In Honor of World Water Day!
Pesticide Contamination – Is That Water Safe to Drink?
Extraction of 1,4-Dioxane from Drinking Water
4 Tips to Keep Your Solvent Evaporator in TipTop Shape
In Defense of Methylene Chloride
An Alternative To n-Hexane For Doing Oil and Grease Extractions
Why Move to Manual or Automated Solid Phase Extraction?
Environmental Pollution – Are We All Doomed?
Everything You Wanted to Know About EPA Method 8270 But Were Afraid to Ask
The Hidden Dangers of Organic Solvents
5 Sources of Phthalate and Adipate Contamination You Probably Didn’t Know About
Common Mistakes by the Lab Series: The Pain of Contaminated Squeeze Bottles
How to plan for dirty samples for both extraction and analysis
Myth Busters: Smaller Sample Volumes - EPA Method 1664B
Simplifying Water Extractions with SPE – One Matrix, One Method Extraction
Overcoming drying and concentrating bottlenecks in the lab
How does your sample prep change for LC/MS vs GC/MS
Are You Contaminating Your Samples During Evaporation?
Reusable vs single-use disk holders – Which is best-suited for your application?
Automated SPE and FT-IR Detection – Expanded Detection Possibilities
SLE, SPE and LLE – How are Those Different?
Does it matter whether your dilution solvent is water-miscible?
What does gas vortex shearing do in evaporation? Why should I care?
Common Mistakes in the Lab
Are Your Proficiency Testing Results Failing for Method 1664?
Hydrophilic Solution for Your Vapor Lock Dilemma
Organochlorine Pesticides: The Good, the Bad and the Ugly
Automating EPH Fractionation in the Lab
Why are my phenol recoveries low on my EPA Method 8270/625.1 extractions?
6 Changes to EPA Method 8270 That You May Not Be Aware Of
7 Horrible Mistakes You’re Making with Solid Phase Extraction
Improvements in Processing Drinking Water Samples Part 2
Why It’s Easier to Succeed With Wastewater Extractions
Improvements in Processing Drinking Water Samples by Method 525
Tips for Improving Your Oil & Grease Recoveries
Why are Phenols so Challenging to Extract from Water?
What is the best way to dry extracts for drinking water samples?
What are the differences between EPA Method 533 vs 537.1?
Question and Answer Time with EPA Method 8270
EPH Fractionation & Bottlenecks in the Laboratory
Reducing the Headache of Challenging Emulsions
What’s Your Grade? I’m usually ACS, although sometimes I’m Reagent.
Why streamline inline drying for EPA Method 1664b?
The Secret to Tackling Dirty Samples
Do updated water testing methods result in safer produce?
Why are flow rates so important in sample prep?
Which Media Type is Right for my Environmental Application?
What you need to know before adding 1,4 Dioxane to your lab services
What is the purpose of methanol in an extraction method?
Understanding SPE Retention Mechanisms
EPA Methods and the Use of Drying Techniques
The Chemistry of SPE
Why is it so important to air dry your SPE sorbent?
What does a thermistor do anyway?
Extraction of Polyphenols in Tea with Lemon
Tackling Emulsions Just Got Easier
Simplified BPA Analysis
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Posts by Tag
SPE solid phase extraction
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Drinking water
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epa method 525.2
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Sample preparation
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oil and grease
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EPA Method 8270
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tech tips
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LLE liquid-liquid extraction
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drying extracts
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epa method 1664b
(5)
EPA Method
(4)
epa method 525.3
(4)
solvent evaporation
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wastewater
(4)
EPA Method 537.1
(3)
HEM
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PFAS
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SPE
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evaporation systems
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pesticide
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sodium sulfate
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spe disk
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water extractions
(3)
Biotage Horizon 3100
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C18 Disks
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Drying
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Fractionation
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Solvents
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TurboVap
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contamination
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drydisk
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emulsions
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epa method 522
(2)
extraction
(2)
gas chromatography
(2)
n-hexane
(2)
per- and polyfluoroalkyl substances
(2)
phenols
(2)
solvent drying
(2)
1,4 Dioxane
(1)
1,4 dioxin
(1)
ASTM D7066-04
(1)
ASTM D7678-17
(1)
BPA
(1)
C18 disk
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CLLE continuous liquid liquid extraction
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EPA
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EPA Method 3500
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EPA Method 533
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EPA method 625.1
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EPH
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GC-MS
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GLP
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ISOLUTE
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ISOLUTE 101
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Internal Standard
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LC-MS
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PFOS
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SLE
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SPE-DEX 5000
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Smartprep
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Sorbent
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Surrogate
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TPH
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US EPA 625.1
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US EPA 8270
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agriculture
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analytical testing lab
(1)
atlantic one pass disk
(1)
awareness
(1)
biotage horizon 5000
(1)
bisphenol
(1)
catechins
(1)
concentration
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contract lab
(1)
dirty samples
(1)
dvb disks
(1)
e-book
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educational
(1)
epa method 508.1
(1)
epa method 608.3
(1)
extractable petroleum hydrocarbons
(1)
flow rates
(1)
gas vortex shearing
(1)
good lab practice
(1)
hexane extractable materials
(1)
hydrophilic solution
(1)
ir technology
(1)
liquid chromatography
(1)
lower volume samples
(1)
organic solvents
(1)
perfluorinated compounds
(1)
performance
(1)
perscriptive
(1)
phthalates
(1)
polyphenols
(1)
prefilters
(1)
preventative maintenance
(1)
proficiency testing
(1)
quality control
(1)
reusable disk holders
(1)
safe water
(1)
single-use disk holder
(1)
spe consumables
(1)
spe-dex 1000
(1)
spe-dex 3000
(1)
thermistors
(1)
total petroleum hydrocarbons
(1)
vapor lock
(1)
water
(1)
water miscible solvents
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