M18

22問 • 1年前

ユーザ名非公開

通報

問題一覧

a type of mass spectrometry which is capable of detecting metals at very low concentrations

inductively coupled plasma spectrometry

ICP-MS can detect about ____ with ppb and ppt levels with liquid samples

80 elements

used for qualitative, isotope ratio, semi-quantitative analysis ang qualitative analysis

inductively coupled plasma mass spectrometry

ICP-MS used ____ because it has high intensity of heat

plasma

most widely used element in ICP-MS

argon

argon gas is electrically heated to a high temperature at _____ plasma

>6000K

ICP-MS 3 basic parts

sample preparation system, ICP torch, detection system

ICP MS is designed for the _______

liquid samples

consist of triple tube with concentric circle made of quartz

icp torch

mass separation

quadrupole mass analyzer

the two overlapping electric fields

positive vertical, negative horizontal

lighter ions are PUSHED OUT of the quadrupole

positive poles

lighter ions are HELD IN the quadrupole

negative poles

modern SEM detectors are capable of count rates more than ____

10^9 ions/sec

ICP MS interferences

polyatomic, isobarric, matrix

multi element analysis down to pq/L

high sensitivity

easily separates the element of interest interferring components

high resolution

It is becoming widely used in the analysis of trace metals because of it's sensitivity

icp ms

method that used a flame to cause an atomized analyte

flame emission spectrometry

also known as flame photometry

flame emisson spectrometry

useful techniques for the determination of votile elements with low excitation energies such as alkali and alkaline earth metals

flame emission

detects the individual wavelegths that are emitted

spectroscope

CHAPTER-9

CHAPTER-9

CHAPTER-5

CHAPTER-5

CHAPTER 3

CHAPTER 3

HIS 3-5

HIS 3-5

BIOSTAT 2-3-6

BIOSTAT 2-3-6

BIOSTAT- 1

BIOSTAT- 1

ANACHEM M3

ANACHEM M3

ANACHEM M4

ANACHEM M4

HIS MOD 9-11

HIS MOD 9-11

earth origin

earth origin

BIOSTAT-CHAPTER- 7

BIOSTAT-CHAPTER- 7

BIOSTAT-CHAPTER-8

BIOSTAT-CHAPTER-8

BIOSTAT-CHAPTER-9

BIOSTAT-CHAPTER-9

ANACHEM CHAP 9

ANACHEM CHAP 9

ANACHEM CHAP 10

ANACHEM CHAP 10

Oral com

Oral com

CHAPTER 9 (mod-12-13)

ユーザ名非公開 · 56問 · 1年前

CHAPTER 9 (mod-12-13)

POT UNIT 4

POT UNIT 4

BIOSTAT CHAP 10

BIOSTAT CHAP 10

ANACHEM 11-12

ANACHEM 11-12

問題一覧

a type of mass spectrometry which is capable of detecting metals at very low concentrations

inductively coupled plasma spectrometry

ICP-MS can detect about ____ with ppb and ppt levels with liquid samples

80 elements

used for qualitative, isotope ratio, semi-quantitative analysis ang qualitative analysis

inductively coupled plasma mass spectrometry

ICP-MS used ____ because it has high intensity of heat

plasma

most widely used element in ICP-MS

argon

argon gas is electrically heated to a high temperature at _____ plasma

>6000K

ICP-MS 3 basic parts

sample preparation system, ICP torch, detection system

ICP MS is designed for the _______

liquid samples

consist of triple tube with concentric circle made of quartz

icp torch

mass separation

quadrupole mass analyzer

the two overlapping electric fields

positive vertical, negative horizontal

lighter ions are PUSHED OUT of the quadrupole

positive poles

lighter ions are HELD IN the quadrupole

negative poles

modern SEM detectors are capable of count rates more than ____

10^9 ions/sec

ICP MS interferences

polyatomic, isobarric, matrix

multi element analysis down to pq/L

high sensitivity

easily separates the element of interest interferring components

high resolution

It is becoming widely used in the analysis of trace metals because of it's sensitivity

icp ms

method that used a flame to cause an atomized analyte

flame emission spectrometry

also known as flame photometry

flame emisson spectrometry

useful techniques for the determination of votile elements with low excitation energies such as alkali and alkaline earth metals

flame emission

detects the individual wavelegths that are emitted

spectroscope