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A kind of precision instrument atomizer fouling cleaner

A technology of precision instruments and atomizers, applied in chemical instruments and methods, detergent compositions, soap detergent compositions, etc., can solve problems such as slowness and blockage of atomizers, and achieve high purity and favorable dissolving properties. Effect

Inactive Publication Date: 2018-06-05
SHENYANG UNIV +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For acid-soluble samples, the salt deposits on the inner wall of the capillary tube of the ICP nebulizer and the nozzle appear relatively slowly. However, if used for a long time, the nebulizer will also cause blockage. The fouling components produced by acidified samples are generally copper, lead, zinc, Elements such as iron, tungsten, molybdenum, tin, silicon, etc. For example, the scale components produced by lead-zinc ore samples are lead-zinc, and the scale components of iron ore samples are mostly iron

Method used

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  • A kind of precision instrument atomizer fouling cleaner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Calculated by mass ratio, deionized water 1000g, aqua regia 100g, sodium gluconate 10g, DETA 10g, tartaric acid 5g, citric acid 5g, oxalic acid 5g, octadecyl dihydroxyethyl betaine 5g, cetyl tris 5g of methyl ammonium bromide, 10g of sodium cetyl sulfonate, 10g of tetrafluoroboric acid, 5g of sodium tripolyphosphate, and 10g of sodium borate are fully stirred and mixed in a container. The above raw materials, except deionized water, the purity of all components are analytically pure. Aqua regia is prepared and used on site according to the ratio of hydrochloric acid and nitric acid 3:1.

Embodiment 2

[0033] Calculated by mass ratio, deionized water 1000g, aqua regia 200g, sodium gluconate 10g, DETA 10g, tartaric acid 5g, citric acid 2.5g, oxalic acid 2.5g, octadecyl dihydroxyethyl betaine 5g, hexadecane 5g of trimethylammonium bromide, 5g of sodium cetyl sulfonate, 15g of tetrafluoroboric acid, 3g of sodium tripolyphosphate, and 15g of sodium borate, fully stirred and mixed in a container. The above raw materials, except deionized water, the purity of all components are analytically pure. Aqua regia is prepared and used on site according to the ratio of hydrochloric acid and nitric acid 3:1.

Embodiment 3

[0035] Calculated by mass ratio, deionized water 1000g, aqua regia 150g, sodium gluconate 15g, DETA 15g, tartaric acid 7.5g, citric acid 7.5g, oxalic acid 5g, octadecyl dihydroxyethyl betaine 2.5g, cetyl 2.5g of alkyltrimethylammonium bromide, 5g of sodium hexadecylsulfonate, 20g of tetrafluoroboric acid, 4g of sodium tripolyphosphate, and 20g of sodium borate are fully stirred and mixed in a container. The above raw materials, except deionized water, the purity of all components are analytically pure. Aqua regia is prepared and used on site according to the ratio of hydrochloric acid and nitric acid 3:1.

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Abstract

The invention provides a precise apparatus atomizer deposited scale cleaning agent. The precise apparatus atomizer deposited scale cleaning agent comprises deionized water, aqua regia, a metal chelator, a surfactant, a silicon removal agent, a silicon removal and corrosion enhancement agent and a corrosion protecting agent. The precise apparatus atomizer deposited scale cleaning agent allows various deposited scales in an ICP atomizer to be removed.

Description

technical field [0001] The invention relates to the technical field of analytical chemistry testing, in particular to a fouling cleaning agent for atomizers of analytical precision instruments. Background technique [0002] In recent years, with the advancement of science and technology, high-sensitivity large-scale instruments such as inductively coupled plasma emission spectrometer (ICP-AES), full-spectrum direct reading plasma emission spectrometer (ICAP) and inductively coupled plasma mass spectrometer (ICP-MS) It has been widely used. People have combined this test technology with different sample pretreatments, and made great progress. Many new technologies and methods have emerged, and this test method has been applied to the fields of geological prospecting and regional geochemical prospecting. , achieved remarkable results. [0003] In foreign countries, inductively coupled plasma emission spectrometer (ICP-AES) and inductively coupled plasma mass spectrometer (ICP...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D10/02
CPCC11D1/14C11D1/62C11D1/90C11D10/00
Inventor 夏辉王小强王明国李鹏程秦九红和笑天李文嘉杨惠玲杜天军
Owner SHENYANG UNIV
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