Mass-spektrometriya

🔍 Birikmalarning mass-spektr tahlili

Kompleks birikmalar katalogi • Izotopik cluster • Molekulyar ion • Fragmentatsiya

Jami birikmalar

12

bazada mavjud

Turli metallar

8

Fe, Co, Pt, Ni, Cu, Ag, Zn, Cr

O'rtacha massa

218.14

g/mol

Massa diapazoni

133368

g/mol

Zaryad turlari

453

kation/anion/neytral

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12 / 12 birikma
Fe
Fe³⁺
⊖ Anion

K₃[Fe(CN)₆]

kaliy geksasiyanoferrat(III)

"Qizil qon tuzi"

M (g/mol)

329.24

Asosiy ion

[M]⁻ = 329

Izotop cluster

⁵⁴Fe⁵⁶Fe⁵⁷Fe

Fe izotoplari + C izotoplari

Batafsil tahlil
Fe
Fe²⁺
⊖ Anion

K₄[Fe(CN)₆]

kaliy geksasiyanoferrat(II)

"Sariq qon tuzi"

M (g/mol)

368.35

Asosiy ion

[M]⁻ = 368

Izotop cluster

⁵⁴Fe⁵⁶Fe⁵⁷Fe

Fe izotoplari — ⁵⁴Fe, ⁵⁶Fe, ⁵⁷Fe

Batafsil tahlil
Co
Co³⁺
⊕ Kation

[Co(NH₃)₆]Cl₃

geksaamminkobalt(III) xlorid

"Verner klassikasi"

M (g/mol)

267.48

Asosiy ion

[M]³⁺ = 53.7 (z=3)

Izotop cluster

⁵⁹Co³⁵Cl³⁷Cl

⁵⁹Co — yagona izotop, Cl⁻ izotoplari

Batafsil tahlil
Pt
Pt²⁺
○ Neytral

sis-[PtCl₂(NH₃)₂]

sis-diammindixloroplatina(II)

"SISPLATIN"

M (g/mol)

300.05

Asosiy ion

[M]⁺ = 300

Izotop cluster

¹⁹⁴Pt¹⁹⁵Pt¹⁹⁶Pt¹⁹⁸Pt

¹⁹⁵Pt + ³⁵Cl/³⁷Cl — murakkab izotop namunasi

Batafsil tahlil
Fe
Fe²⁺
○ Neytral

[Fe(C₅H₅)₂]

bis(siklopentadienil)temir(II)

"Ferrosen"

M (g/mol)

186.04

Asosiy ion

[M]⁺ = 186

Izotop cluster

⁵⁴Fe⁵⁶Fe⁵⁷Fe

M⁺ = 186 (100%), Fe izotoplari

Batafsil tahlil
Ni
Ni²⁺
⊖ Anion

[Ni(CN)₄]²⁻

tetrasiyanonikkolat(II) ioni

M (g/mol)

162.78

Asosiy ion

[M]⁻ = 163

Izotop cluster

⁵⁸Ni⁶⁰Ni⁶²Ni

⁵⁸Ni (68%), ⁶⁰Ni (26%) — ikkita asosiy izotop

Batafsil tahlil
Cu
Cu²⁺
⊕ Kation

[Cu(H₂O)₆]²⁺

geksaakvamis(II) ioni

M (g/mol)

171.66

Asosiy ion

[M]²⁺ = 86 (z=2)

Izotop cluster

⁶³Cu⁶⁵Cu

⁶³Cu/⁶⁵Cu — xarakterli 2:1 nisbat

Batafsil tahlil
Ag
Ag⁺
⊕ Kation

[Ag(NH₃)₂]⁺

diamminkumush(I) ioni

"Tollens reaktivi"

M (g/mol)

141.94

Asosiy ion

[M]⁺ = 142

Izotop cluster

¹⁰⁷Ag¹⁰⁹Ag

¹⁰⁷Ag/¹⁰⁹Ag — klassik ikkita teng pik!

Batafsil tahlil
Co
Co²⁺
⊖ Anion

[CoCl₄]²⁻

tetraxlorokobaltat(II) ioni

M (g/mol)

200.75

Asosiy ion

[M]⁻ = 201

Izotop cluster

⁵⁹Co³⁵Cl³⁷Cl

⁵⁹Co + ³⁵Cl/³⁷Cl — Cl izotop namunasi

Batafsil tahlil
Fe
Fe⁰
○ Neytral

[Fe(CO)₅]

pentakarboniltemir(0)

M (g/mol)

195.90

Asosiy ion

[M]⁺ = 196

Izotop cluster

⁵⁴Fe⁵⁶Fe⁵⁷Fe

Ketma-ket CO yo'qolishi — 5 ta fragment!

Batafsil tahlil
Zn
Zn²⁺
⊖ Anion

[Zn(OH)₄]²⁻

tetragidroksosinkat(II) ioni

M (g/mol)

133.41

Asosiy ion

[M]⁻ = 133

Izotop cluster

⁶⁴Zn⁶⁶Zn⁶⁷Zn⁶⁸Zn

⁶⁴Zn, ⁶⁶Zn, ⁶⁸Zn — ko'p izotopli

Batafsil tahlil
Cr
Cr³⁺
⊕ Kation

[Cr(H₂O)₆]³⁺

geksaakvaxrom(III) ioni

M (g/mol)

160.07

Asosiy ion

[M]³⁺ = 53.4 (z=3)

Izotop cluster

⁵⁰Cr⁵²Cr⁵³Cr⁵⁴Cr

⁵²Cr (83.8%) — asosiy izotop

Batafsil tahlil
💡

Izotop cluster tanish

Cl → 3:1 dublet, Br → 1:1, Cu → 2.24:1, Ag → deyarli teng, Pt → 4 pik cluster. Kartochkadagi mini-grafik shu naqshni ko'rsatadi.

Ion zaryadi (z)

m/z hisobida z=2 bo'lsa piklar 0.5 Da masofada bo'ladi. Ko'p zaryadli komplekslar ESI da xarakterlidir.

🔬

Fragmentatsiya

Karbonil komplekslarda ketma-ket −28 (CO), Werner tipida −17 (NH₃), akvakomplekslarda −18 (H₂O) yo'qolishlari.

Mashhur birikmalarga tez o'tish