EPA Methods Standards
Environmental Protection Agency standards suitable for use as reference materials for assaying environmental sample conditions; includes standards for use in determining air, water, and soil quality.
Solvent or Matrix
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Grade
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Technique
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Element
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211
Toluene-d8, Restek
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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212
Restek Corporation B/N Surrogate Mix (4/89 SOW), Restek™
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213
Acid Surrogate Mix (4/89 SOW), Restek™
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| Chemical Name or Material | Restek™ Semi-Volatile Mixtures - Mixes and Compounds |
|---|
214
Restek Corporation Volatiles MegaMix™ with Gases, Restek
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215
Aldehyde-Ketone-DNPH TO-11A Calibration Mix, Restek
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216
L/C VOA Internal Standard Mix, Restek
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217
Restek Corporation Residual Solvents Class 2 - Mix A, Restek
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CAS: 67-68-5 Molecular Formula: C2H6OS Molecular Weight (g/mol): 78.13 MDL Number: MFCD00002089 InChI Key: IAZDPXIOMUYVGZ-UHFFFAOYSA-N IUPAC Name: methanesulfinylmethane SMILES: CS(C)=O
| CAS | 67-68-5 |
|---|---|
| Molecular Weight (g/mol) | 78.13 |
| MDL Number | MFCD00002089 |
| SMILES | CS(C)=O |
| IUPAC Name | methanesulfinylmethane |
| InChI Key | IAZDPXIOMUYVGZ-UHFFFAOYSA-N |
| Molecular Formula | C2H6OS |
218
GC/MS Tuning Mixture, Restek
Small and Specialty Supplier Partner
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219
8270 Calibration Mix #3, Restek
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220
Agilent Technologies Method 625 Additions Mixture, 2000μg/mL in dichloromethane, Ultra Scientific
Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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221
Agilent Technologies Surrogate Standard Solution
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222
Haloacetic Acids Mixture (Acids or Methyl Acids) (For EPA 552.2)
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223
Agilent Technologies Surrogate Standard Solution 1 (DCAA) (For EPA 515.1)
DCAA Methyl Ester at 100μg/mL in Methyl tert-Butyl Ether
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224
Sigma Aldrich Poly(dicyclopentadiene-co-p-cresol)
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
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225
Sigma Aldrich 1,3-Butadiene
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
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| Boiling Point | -4.5°C |
|---|---|
| Linear Formula | CH2=CHCH=CH2 |
| CAS | 106-99-0 |
| Molecular Weight (g/mol) | 54.09 g/mol |
| MDL Number | MFCD00008659 |
| Recommended Storage | 2°C to 8°C |
| Molecular Formula | C4H6 |
| EINECS Number | 203-450-8 |
| Density | 0.62 g/mL at 20°C |
| Melting Point | -109°C |