This post is intended as a final answer to all those nagging birch que dịch - This post is intended as a final answer to all those nagging birch que Tiếng Indonesia làm thế nào để nói

This post is intended as a final an

This post is intended as a final answer to all those nagging birch questions that keep popping up. Before I begin, I would like to make one thing perfectly clear:

THE BIRCH IS A DANGEROUS REACTION AND SHOULD NOT BE ATTEMPTED BY AMATEURS. I mean no disrespect to anyone by this statement, I just dont think it has been emphasized enough how dangerous this reaction can be.

An OVERVIEW:

Technically, the birch reaction refers to reduction by sodium dissolved in ammonia. Lithium/NH3 reduction is not actually a "birch" but for simplicities sake I will refer to it in this manner.

When lithium is dissolved in ammonia it releases an electron, referred to as a "solvated electron" . The solvated electron produces a "royal blue" color in the ammonia, which, depending upon concentration, can appear almost black.

Two electrons are required to reduce a molecule of ephedrine into methamphetamine. Therefore the proper molar ratio for reactants is 2Li to 1 pseudo. The amount of ammonia present is not important, as long as it is sufficient to dissolve all the Li present.

This 2-1 ratio is EXTREMELY important. Too little Li and not all the pseudo will be reduced. Too much and your pseudo will be OVER reduced. This is the main reason contaminants (including water) must be avoided. They will use up some of the electrons, leaving you to "guess" how much Li you need. Your guess will most likely be wrong.

The 2-1 ratio is based on FREEBASE stock. If you use pseudo HCL, then the amount of Li required will be higher.

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Kết quả (Tiếng Indonesia) 1: [Sao chép]
Sao chép!
This post is intended as a final answer to all those nagging birch questions that keep popping up. Before I begin, I would like to make one thing perfectly clear: THE BIRCH IS A DANGEROUS REACTION AND SHOULD NOT BE ATTEMPTED BY AMATEURS. I mean no disrespect to anyone by this statement, I just dont think it has been emphasized enough how dangerous this reaction can be. An OVERVIEW: Technically, the birch reaction refers to reduction by sodium dissolved in ammonia. Lithium/NH3 reduction is not actually a "birch" but for simplicities sake I will refer to it in this manner. When lithium is dissolved in ammonia it releases an electron, referred to as a "solvated electron" . The solvated electron produces a "royal blue" color in the ammonia, which, depending upon concentration, can appear almost black. Two electrons are required to reduce a molecule of ephedrine into methamphetamine. Therefore the proper molar ratio for reactants is 2Li to 1 pseudo. The amount of ammonia present is not important, as long as it is sufficient to dissolve all the Li present. This 2-1 ratio is EXTREMELY important. Too little Li and not all the pseudo will be reduced. Too much and your pseudo will be OVER reduced. This is the main reason contaminants (including water) must be avoided. They will use up some of the electrons, leaving you to "guess" how much Li you need. Your guess will most likely be wrong. The 2-1 ratio is based on FREEBASE stock. If you use pseudo HCL, then the amount of Li required will be higher.
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Kết quả (Tiếng Indonesia) 2:[Sao chép]
Sao chép!
Posting ini dimaksudkan sebagai jawaban akhir untuk semua omelan birch pertanyaan yang terus bermunculan. Sebelum saya memulai, saya ingin membuat satu hal sangat jelas: BIRCH ADALAH BERBAHAYA DAN REAKSI tidak harus dicoba oleh amatir. Maksudku tidak hormat kepada siapa pun dengan pernyataan ini, saya hanya tidak berpikir itu telah ditekankan cukup betapa berbahayanya reaksi ini dapat. Sebuah TINJAUAN: Secara teknis, reaksi birch mengacu pengurangan oleh natrium dilarutkan dalam amonia. Lithium / pengurangan NH3 sebenarnya tidak ada "birch" tapi demi kesederhanaan saya akan menyebutnya dengan cara ini. Ketika lithium dilarutkan dalam amonia melepaskan elektron, disebut sebagai "elektron terlarut". Elektron terlarut menghasilkan "royal blue" warna di amonia, yang, tergantung pada konsentrasi, dapat muncul hampir hitam. Dua elektron yang diperlukan untuk mengurangi molekul efedrin ke methamphetamine. Oleh karena itu rasio molar tepat untuk reaktan adalah 2Li untuk 1 semu. Jumlah ini amonia tidak penting, selama itu sudah cukup untuk melarutkan semua Li hadir. 2-1 Rasio ini EXTREMELY penting. Terlalu sedikit Li dan tidak semua semu akan berkurang. Terlalu banyak dan pseudo Anda akan LEBIH berkurang. Ini adalah alasan utama kontaminan (termasuk air) harus dihindari. Mereka akan menggunakan sebagian dari elektron, meninggalkan Anda untuk "menebak" berapa banyak yang Anda butuhkan Li. Menebak Anda kemungkinan besar akan salah. The 2-1 rasio didasarkan pada saham Freebase. Jika Anda menggunakan semu HCL, maka jumlah Li diperlukan akan lebih tinggi.















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