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Pakistan Telecommunication Company Ltd., commonly known as PTCL, is the national telecommunication company in Pakistan. [1] [3] PTCL provides telephone and internet services nationwide and is the backbone for the country's telecommunication infrastructure. The corporation manages and operates around 2000 telephone exchanges across the country ...
Chloropentammineplatinum chloride is an inorganic compound with the formula [PtCl(NH 3) 5]Cl 3. It is a chloride salt of the coordination complex [PtCl(NH 3) 5] +. It is a white, water soluble solid. The compound is prepared by treating potassium hexachloroplatinate with aqueous ammonia: [1] K 2 PtCl 6 + 5 NH 3 → [PtCl(NH 3) 5]Cl 3 + 2 KCl
In 2019, PTCL and Ufone were merging a number of their departments. [6] Rashid Khan, president and CEO of both Ufone and PTCL, died in December 2020. [7] In 2021, it purchased its own 4G spectrum license for US$279 million. [3] In July 2021, Ufone had around 23 million cellular subscriptions, and had a market share of 12%.
If excess acids are removed, PtCl 4 crystallizes from aqueous solutions in large red crystals of pentahydrate PtCl 4 ·5(H 2 O), [5] which can be dehydrated by heating to about 300 °C in a current of dry chlorine. The pentahydrate is stable and is used as the commercial form of PtCl 4. Treatment of PtCl 4 with aqueous base gives the [Pt(OH) 6 ...
Chloroplatinic acid (also known as hexachloroplatinic acid) is an inorganic compound with the formula [H 3 O] 2 [PtCl 6](H 2 O) x (0 ≤ x ≤ 6). A red solid, it is an important commercial source of platinum, usually as an aqueous solution. Although often written in shorthand as H 2 PtCl 6, it is the hydronium (H 3 O +) salt of the ...
The Transports en commun lyonnais (French pronunciation: [tʁɑ̃spɔʁ ɑ̃ kɔmœ̃ ljɔnɛ], "Lyon public transport" in French; usually referred to as TCL) is the Lyon public transport agency. It is the second largest public transport system in France (after Paris ), and covers 72 communes , including all 58 communes of the Metropolis of ...
Subtypes of T-cell lymphoma [1]. Peripheral T-cell lymphoma not otherwise specified (PTCL-NOS), is a subtype of peripheral T-cell lymphoma.Peripheral T-cell lymphoma (PTCL) is defined as a diverse group of aggressive lymphomas that develop from mature-stage white blood cells called T-cells and natural killer cells (see figure for an overview of PTCL subtypes).
β-PtCl 2 is prepared by heating chloroplatinic acid to 350 °C in air. [4] H 2 PtCl 6 → PtCl 2 + Cl 2 + 2 HCl. This method is convenient since the chloroplatinic acid is generated readily from Pt metal. Aqueous solutions of H 2 PtCl 6 can also be reduced with hydrazinium salts, but this method is more laborious than the thermal route of Kerr ...