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- 详细信息
- 文献和实验
- 技术资料
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- 英文名：
L-Tartaric Acid Standard Solution (10 g/L)
- CAS号：
87-69-4
- 保质期：
1年
- 供应商：
上海经科化学科技有限公司
- 保存条件：
2-8℃
- 规格：
50mL
RECOMMENDED APPLICATIONS:
Analytical standard solution for use as a control sample or calibrator with analytical test kits that measure L-tartaric acid. Especially for use to generate calibration curves for auto-analyser or microplate assay formats with the following enzymatic tests kits: K-TART.
| CAS Number: | 87-69-4 |
| Synonyms: | 2,3-Dihydroxybutanedioic acid |
| Molecular Formula: | C4H6O6 |
| Molecular Weight: | 150.09 |
| Concentration: | 10 g/L |
| Content: | 50 mL |
| Shipping Temperature: | Ambient |
| Storage Temperature: | 4oC |
| Physical Form: | Solution |
| Stability: | > 5 years under recommended storage conditions |
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文献和实验TOP10 chemically competent cells
reduces transformation efficiency by about 3x the first time, and about 6x total after several freeze/thaw cycles. Measurement of competence Transform 50 μl of cells with 1 μl of standard pUC19 plasmid (Invitrogen) This is at 10 pg/μl
Protocol for Trichloroacetic Acid (TCA) Precipitation
and Equipment Required Borosilicate tubes, 12 x 75 mm (e.g., Fisher Cat #14-961-26) 10% TCA (e.g., Acros Cat # 42145-5000; make a 10% (w/v) solution in water) Warning: TCA is caustic! Carrier nucleic acid, 1 mg/ml (e.g., sheared fish
through the following solutions in this order. i) Chromium trioxide (chromic acid 5%) x6 ii) Distilled water x6 iii) P-L-L solution x1 (double) iv) Absolute methanol x2 4. The slides come off the machine dry
