Nuclear Magnetic Resonance Spectroscopy (NMR)

Notes:

1. Sample requirements:

   (1) For powder sample: Please provide ＞20 mg.

   (2) For liquid sample: Please provide ＞3 mL.

   (3) For ¹⁹F, ²⁹Si, ³¹P and 2D Spectrum test, please contact us in advance.

2. For ¹H test, Solubility＞15 mg/ml.

3. For ¹³C test,

   (1) Small molecule sample: Solubility＞40 mg/ml.

   (2) Big molecule sample: Solubility＞100 mg/ml.

   (3) The chemical shift is 220ppm by default. Please contact us if you have other requirements.

4. Unable to measure samples containing magnetic elements (iron, cobalt, nickel, manganese, etc.)

5. For deuterated reagents samples with strong volatility and fluidity, ACS will prepare the testing samples upon receiving the package and it's not recommended to send pre-prepared samples to avoid testing errors.

6. Please download and print the order form and send it with the sample after the order is completed.

7. All samples are non-returnable and please contact us if you have special requests.

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