Ammonium heptamolybdate tetrahydrate, 250 g, plastic
Molar mass (M) 1235,86 g/mol
Density (D) 2,9 g/cm³
CAS No. [12054-85-2]
excl. VAT. | 250 g per Pack Qty.
Art. No. 3666.1
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Although the principle of thin-layer chromatography is more than a century old, it did not make its breakthrough as an analytical method until about 50 years ago.
Thanks to the development of new sorbents and supports, as well as increasing instrumentation and automation, TLC has become a versatile separation method. It is used both in qualitative analysis and in quantitative analysis.
Applications range from simple manual separation processes in classic TLC to automated processes in HPTLC (high performance thin layer chromatography).
Advantages of thin layer chromatography:
- Higher sample throughput in less time
- Suitable for screening tests
- Pilot process for HPLC
- The ready-to-use TLC layer functions as a data storage device for separation results
- The separated substances can be used later for further analysis (e.g. IR, MS)
- By switching the mobile and the stationary phases, the separation process can be optimised quickly and cost-efficient
Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.
Definition:p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation
|Aluminium (Al)||≤0,001 %|
|Lead (Pb)||≤0,0005 %|
|Calcium (Ca)||≤0,001 %|
|Chromium (Cr)||≤0,001 %|
|Iron (Fe)||≤0,001 %|
|Copper (Cu)||≤0,001 %|
|Magnesium (Mg)||≤0,001 %|
|Nickel (Ni)||≤0,0005 %|
|Silicon (Si)||≤0,001 %|
|Titanium (Ti)||≤0,0005 %|
|Tin (Sn)||≤0,001 %|