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MOPS is a zwitterionic buffer used as a running buffer for denaturing gel electrophoresis. It is a buffering agent used in many biological and biochemical applications. MOPS interferes with the Folin protein assay, and partially decomposes when autoclaved in the presence of glucose.
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(3-(N-Morpholino)propanesulfonic acid) |
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C7H15NO4S ^ F.W. 209.26 g/mol ^ CAS# 1132-61-2 |
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Test |
Specifications |
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Bio Ultra |
Bio Synthesized |
Bio Industrial |
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MOP-13 |
MOP-12 |
MOP-11 |
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Manufactured in the |
Pass |
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Appearance and Color |
White/Crystals |
White/Crystals |
White/Crystals |
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Assay, dried basis |
99.9% min. |
99.5% min. |
99.0% min. |
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Chloride |
0.005% max. |
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Sulfate |
0.005% max. |
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Identification (IR) |
Match Reference |
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Solubility (5%) |
Clear/Colorless |
Clear/Colorless |
Clear/Colorless |
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0.02 max. @ 280 |
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Absorbance |
0.02 max. @ 260 |
0.02 max. @ 260 |
0.05 max. @ 260 |
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0.02 max. @ 250 |
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Loss on Drying |
1.0% max. |
1% max. |
1% max. |
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Sodium (Na) |
0.005% max. |
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Potassium (K) |
0.005% max. |
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Arsenic (As) |
0.0001% max. |
0.0001% max. |
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Calcium (Ca) |
0.0001% max. |
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Copper (Cu) |
0.0001% max. |
0.0001% max. |
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Iron (Fe) |
0.0001% max. |
0.0005% max. |
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Magnesium (Mg) |
0.0001% max. |
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Lead (Pb) |
0.0001% max. |
0.0005% max. |
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Karl Fisher Water |
0.1% max. |
0.1% max. |
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Residue on Ignition |
0.1% max. |
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pH (1%) |
3.0-4.5 |
2.5-4.5 |
2.5-4.5 |
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pKa |
7.10-7.30 |
7.10-7.30 |
7.10-7.30 |
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RNase |
None Detected |
None Detected |
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DNase |
None Detected |
None Detected |
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Protease |
None Detected |
None Detected |
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| Bio Industrial (Good) Quality tested from approved suppliers of BBS for Industry-Standard use. |
| Bio Synthesized (Better) Manufactured in a quality system based facility offering traceability and consistent supply. |
| Bio Ultra (Best) Manufactured at BBS to meet the highest quality and regulatory standards. |
