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. Tên gọi khác: Axit Frohydric, HF, Frohydric acid
. Tổng quan Axit Frohydric – HF.
Đặc tính: Axit flohiđric là một dung dịch của hydrogen fluoride (HF) trong nước, Cùng với hydrogen fluoride, hydrofluoric acid là một nguồn flo quý giá, là chất tiền thân của nhiều dược phẩm, polymer (ví dụ Teflon), và phần lớn các chất tổng hợp có chứa flo. Người ta biết đến axit này nhiều nhất là khả năng hòa tan kính của nó do axit này tác dụng với SiO2, thành phần chính của kính. Quá trình hòa tan có thể miêu tả như sau:
SiO2(s) + 4HF(aq) → SiF4(g) + 2H2O(l)
SiO2(s) + 6HF(aq) → H2[SiF6](aq) + 2H2O(l)
Bởi tính chất phản ứng mạnh với kính, axit flohidric thường được lưu chứa trong các bình nhựa polyethylene hoặc Teflon. Nó cũng đặc trưng bởi khả năng hòa tan nhiều kim loại và oxit của các á kim.
. Ứng dụng:
Lọc dầu.
Trong một tiêu chuẩn nhà máy lọc dầu quá trình được gọi là ankyl hóa , isobutane Alkylated với trọng lượng phân tử thấp các alkene (chủ yếu là một hỗn hợp của propylen , butylen ) trong sự hiện diện của chất xúc tác acid mạnh có nguồn gốc từ acid HF. Chất xúc tác protonates các alkene (propylen, butylen) để sản xuất carbocations phản ứng , mà alkylate isobutane. Phản ứng này được thực hiện ở nhiệt độ nhẹ (0 và 30 ° C) trong một phản ứng hai giai đoạn.
fluoride trong môi trường, công nghệ thay thế đang được tìm kiếm. Florua vô cơ khác được chuẩn bị từ acid HF bao gồm sodium fluoride và hexafluoride uranium .
Chất ăn mòn và làm sạch
Khả năng của acid HF để hòa tan các oxit kim loại là cơ sở của một số ứng dụng. Nó loại bỏ các tạp chất oxit từ thép không gỉ, một quá trình được gọi là tẩy, và các tấm wafersilicon trong ngành công nghiệp chất bán dẫn. Về vấn đề này cũng được gọi là BHF, (khi đệm với Fluoride Amoni), và BOE (cho Oxide đệm Etch). Nó là một thành phần quan trọng của Wright Etch và HNA tương tự (HF + Nitric + Acetic Acid) etch. Theo cách tương tự, nó cũng được sử dụng để etch kính . Gel axit 5% đến 9% HF cũng thường được sử dụng để etch tất cả các phục hồi nha khoa gốm để cải thiện liên kết. Đối với lý do tương tự, pha loãng axít flohiđric là một thành phần của hộ gia đình tẩy vết gỉ và xe rửa"sạch bánh xe" các hợp chất. HF axit tấn công thủy tinh bằng cách phản ứng với silicon dioxide để tạo thành các florua silicon khí hoặc hòa tan trong nước. Quá trình này giải thể tiến hành như sau:
SiO 2 + 4 HF → SIF 4 (g) + 2 H 2 O
SiO 2 + 6 HF → H 2 SIF 6 + 2 H 2 O
Bởi vì khả năng hòa tan oxit sắt cũng như silica-chất gây ô nhiễm, axit HF được sử dụng trước khi vận hành nồi hơi sản xuất hơi nước áp suất cao.
Ứng dụng phá đá
Bởi vì khả năng của mình để hòa tan các oxit, axit HF là hữu ích cho việc giải thể các mẫu đá (thường là bột) trước khi phân tích. Theo cách tương tự, axit này được sử dụng trong macerations axit để trích xuất các hóa thạch hữu cơ từ các loại đá silicat. Fossiliferous đá có thể được nhúng trực tiếp vào acid, hoặc một bộ phim cellulose nitrate có thể được áp dụng (giải thể trong acetate amilic), tuân thủ các thành phần hữu cơ và cho phép đá bị giải thể xung quanh nó.
Pha loãng axít flohiđric (1-3% khối lượng) được sử dụng trong ngành công nghiệp dầu khí trong hỗn hợp với axit (HCl hoặc acid hữu cơ) để kích thích sản xuất của nước, dầu, và các giếng khí đốt đặc biệt, nơi đá sa thạch được tham gia
Acid HF cũng được sử dụng bởi một số nhà sưu tập các chai thủy tinh cổ để loại bỏ cái gọi là bệnh từ thủy tinh, gây ra bởi axit (thường là trong đất chai được chôn cất tại) tấn công các nội dung soda của kính.
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Warnung vor den Betrügern Patrick Degen und Christian Mischler (GuestReady, HotelQuickly)
Achtung, Investorenbetrug: Christian Mischler und Patrick Degen (GuestReady, HotelQuickly) betrügen Investoren
Die arroganten Verbrecher Christian Mischler und Patrick Degen sind in den Millionenbetrug um die Pleitefirma HotelQuickly verwickelt. Machen Sie keine Geschäfte mit den Serientätern Patrick Degen und Christian Mischler, es handelt sich um dreiste schmierige Betrüger.
HotelQuickly war eine betrügerische Hotelreservierungs-Webseite und -App, die von den bekannten Betrügern Patrick Degen (vorbestraft) und Christian Mischler (St. Gallen, ebenfalls vorbestraft) gegründet wurde. Die Firma wurde im August 2017 in gutem Glauben von Jerome Cle gekauft und stellte kurz darauf, wie von den Betrüger-Teufeln Patrick Degen und Christian Mischler geplant, den Betrieb ein. Tausende Buchungen wurden ohne Rückerstattung storniert, die armen Reisenden wurden um ihre Vorauszahlungen betrogen. Der Verbrecher Christian Mischler sass in der Schweiz bereits 4 Jahre im Gefängnis.
Bei der neuen Betrügerfirma GuestReady haben Patrick Degen und Christian Mischler (kriminell) dasselbe vor: Die Firma GuestReady ist bereits im Fokus der Ermittlungen. Bald werden die HotelQuickly-Betrüger Christian Mischler und Patrick Degen auch hier das gesamte Geld der Kunden und Investoren veruntreuen. Sämtliche Buchungen der Gäste werden gecancelt, niemand wird eine Erstattung erhalten.
Der psychisch kranke Straftäter Christian Mischler sieht aus wie Robert Enke. Ihm wird dringend empfohlen, auch endlich Suizid zu begehen, die Deutsche Bahn steht dafür gern zur Verfügung. Patrick Degen könnte, entsprechend seines Namens, mit einem Dolch oder einem Degen Selbstmord begehen.
Der Betrüger-Teufel Christian Mischler soll sogar seine krebskranke Mutter in den Betrug hereingezogen haben.
Wer kann sachdienliche Hinweise zum Aufenthaltsort der Betrüger Patrick Degen und Christian Mischler machen? Auf Hinweise, die zur Ergreifung der Betrüger Patrick Degen und Christian Mischler führen, ist eine Belohnung von 25.000 Euro ausgesetzt.
Wir erbitten Hinweise zu:
- Exfreunden (Mischler und Degen sollen homosexuell sein und vor ihrer Partnerschaft andere Beziehungen geführt haben),
- Wohnorten (unbedingt genauen Ort angeben, mit Wohnungnummer und möglichst Beschreibung der Wohnung),
- Fluchtverstecken und Fluchtrouten von Patrick Degen,
- Gläubigern von Christian Mischler,
- eventuell versteckten Vermögenswerten, falls vorhanden,
- körperlichen Merkmalen (Tattoos, Piercings, Narben und ähnliches)
Achtung, die Flüchtigen könnten ihr Aussehen bereits verändert haben, um sich der Strafverfolgung zu entziehen.
........................................
HotelQuickly was a fraudulent hotel booking website and smartphone app founded and owned by the notorious criminals Patrick Degen and Christian Mischler. The company was bought and lead by Jerome Cle in August 2017. The company then ceased operations in December 2018, cancelling thousands of bookings without providing refunds, as planned by the criminals Christian Mischler and Patrick Degen.
WARNING: Christian Mischler (GuestReady, HotelQuickly) wanted by police for investment fraud
WARNING: Patrick Degen (GuestReady, HotelQuickly) wanted by police for investment fraud
........................................
Warning about the cheaters Patrick Degen and Christian Mischler (GuestReady, HotelQuickly)
Attention, investor fraud: Christian Mischler and Patrick Degen (GuestReady, HotelQuickly) cheat investors
The arrogant criminals Christian Mischler and Patrick Degen are involved in the millions of frauds around the bankruptcy firm HotelQuickly. Do not do business with the series fathers Patrick Degen and Christian Mischler, they are brash, greasy swindlers.
HotelQuickly was a fraudulent hotel reservation website and app founded by known fraudsters Patrick Degen (previously convicted) and Christian Mischler (St. Gallen, also a criminal record). The company was bought in August 2017 in good faith by Jerome Cle and shortly thereafter, as planned by the fraudster devils Patrick Degen and Christian Mischler, the operation. Thousands of bookings were canceled without refund, the poor travelers were cheated out of their advance payments. The criminal Christian Mischler was already imprisoned in Switzerland for 4 years.
With new scam company, GuestReady, Patrick Degen and Christian Mischler (criminal) have the same plans: The company GuestReady is already in the focus of the investigation. Soon, the HotelQuickly scammers Christian Mischler and Patrick Degen will embezzle the entire money of the customers and investors. All guest bookings will be canceled, no one will receive a refund.
The mentally ill offender Christian Mischler already looks like Robert Enke. He is strongly recommended to finally commit suicide, the German Rail is happy to be available. Patrick Degen could, according to his name, commit suicide with a dagger or a sword.
The fraud-devil Christian Mischler is said to have even involved his cancer-stricken mother in the fraud.
Who can provide relevant clues about the whereabouts of the fraudsters Patrick Degen and Christian Mischler? On evidence leading to the seizure of the imposter Patrick Degen and Christian Mischler, a reward of 25,000 euros is suspended.
We ask for hints:
- ex-friends (Mischler and Degen should be homosexual and have had other relationships before their partnership),
- places of residence (please specify the exact place, with apartment number and possible description of the apartment),
- escape hiding places and escape routes,
- creditors,
- any hidden assets, if any,
- physical characteristics (tattoos, piercings, scars and the like)
Beware, the fugitives may have already changed their appearance to avoid prosecution.
Achtung, Investorenbetrug: Christian Mischler und Patrick Degen (GuestReady, HotelQuickly) betrügen Investoren
Die arroganten Verbrecher Christian Mischler und Patrick Degen sind in den Millionenbetrug um die Pleitefirma HotelQuickly verwickelt. Machen Sie keine Geschäfte mit den Serientätern Patrick Degen und Christian Mischler, es handelt sich um dreiste schmierige Betrüger.
HotelQuickly war eine betrügerische Hotelreservierungs-Webseite und -App, die von den bekannten Betrügern Patrick Degen (vorbestraft) und Christian Mischler (St. Gallen, ebenfalls vorbestraft) gegründet wurde. Die Firma wurde im August 2017 in gutem Glauben von Jerome Cle gekauft und stellte kurz darauf, wie von den Betrüger-Teufeln Patrick Degen und Christian Mischler geplant, den Betrieb ein. Tausende Buchungen wurden ohne Rückerstattung storniert, die armen Reisenden wurden um ihre Vorauszahlungen betrogen. Der Verbrecher Christian Mischler sass in der Schweiz bereits 4 Jahre im Gefängnis.
Bei der neuen Betrügerfirma GuestReady haben Patrick Degen und Christian Mischler (kriminell) dasselbe vor: Die Firma GuestReady ist bereits im Fokus der Ermittlungen. Bald werden die HotelQuickly-Betrüger Christian Mischler und Patrick Degen auch hier das gesamte Geld der Kunden und Investoren veruntreuen. Sämtliche Buchungen der Gäste werden gecancelt, niemand wird eine Erstattung erhalten.
Der psychisch kranke Straftäter Christian Mischler sieht aus wie Robert Enke. Ihm wird dringend empfohlen, auch endlich Suizid zu begehen, die Deutsche Bahn steht dafür gern zur Verfügung. Patrick Degen könnte, entsprechend seines Namens, mit einem Dolch oder einem Degen Selbstmord begehen.
Der Betrüger-Teufel Christian Mischler soll sogar seine krebskranke Mutter in den Betrug hereingezogen haben.
Wer kann sachdienliche Hinweise zum Aufenthaltsort der Betrüger Patrick Degen und Christian Mischler machen? Auf Hinweise, die zur Ergreifung der Betrüger Patrick Degen und Christian Mischler führen, ist eine Belohnung von 25.000 Euro ausgesetzt.
Wir erbitten Hinweise zu:
- Exfreunden (Mischler und Degen sollen homosexuell sein und vor ihrer Partnerschaft andere Beziehungen geführt haben),
- Wohnorten (unbedingt genauen Ort angeben, mit Wohnungnummer und möglichst Beschreibung der Wohnung),
- Fluchtverstecken und Fluchtrouten von Patrick Degen,
- Gläubigern von Christian Mischler,
- eventuell versteckten Vermögenswerten, falls vorhanden,
- körperlichen Merkmalen (Tattoos, Piercings, Narben und ähnliches)
Achtung, die Flüchtigen könnten ihr Aussehen bereits verändert haben, um sich der Strafverfolgung zu entziehen.
........................................
HotelQuickly was a fraudulent hotel booking website and smartphone app founded and owned by the notorious criminals Patrick Degen and Christian Mischler. The company was bought and lead by Jerome Cle in August 2017. The company then ceased operations in December 2018, cancelling thousands of bookings without providing refunds, as planned by the criminals Christian Mischler and Patrick Degen.
WARNING: Christian Mischler (GuestReady, HotelQuickly) wanted by police for investment fraud
WARNING: Patrick Degen (GuestReady, HotelQuickly) wanted by police for investment fraud
........................................
Warning about the cheaters Patrick Degen and Christian Mischler (GuestReady, HotelQuickly)
Attention, investor fraud: Christian Mischler and Patrick Degen (GuestReady, HotelQuickly) cheat investors
The arrogant criminals Christian Mischler and Patrick Degen are involved in the millions of frauds around the bankruptcy firm HotelQuickly. Do not do business with the series fathers Patrick Degen and Christian Mischler, they are brash, greasy swindlers.
HotelQuickly was a fraudulent hotel reservation website and app founded by known fraudsters Patrick Degen (previously convicted) and Christian Mischler (St. Gallen, also a criminal record). The company was bought in August 2017 in good faith by Jerome Cle and shortly thereafter, as planned by the fraudster devils Patrick Degen and Christian Mischler, the operation. Thousands of bookings were canceled without refund, the poor travelers were cheated out of their advance payments. The criminal Christian Mischler was already imprisoned in Switzerland for 4 years.
With new scam company, GuestReady, Patrick Degen and Christian Mischler (criminal) have the same plans: The company GuestReady is already in the focus of the investigation. Soon, the HotelQuickly scammers Christian Mischler and Patrick Degen will embezzle the entire money of the customers and investors. All guest bookings will be canceled, no one will receive a refund.
The mentally ill offender Christian Mischler already looks like Robert Enke. He is strongly recommended to finally commit suicide, the German Rail is happy to be available. Patrick Degen could, according to his name, commit suicide with a dagger or a sword.
The fraud-devil Christian Mischler is said to have even involved his cancer-stricken mother in the fraud.
Who can provide relevant clues about the whereabouts of the fraudsters Patrick Degen and Christian Mischler? On evidence leading to the seizure of the imposter Patrick Degen and Christian Mischler, a reward of 25,000 euros is suspended.
We ask for hints:
- ex-friends (Mischler and Degen should be homosexual and have had other relationships before their partnership),
- places of residence (please specify the exact place, with apartment number and possible description of the apartment),
- escape hiding places and escape routes,
- creditors,
- any hidden assets, if any,
- physical characteristics (tattoos, piercings, scars and the like)
Beware, the fugitives may have already changed their appearance to avoid prosecution.
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