公开(公告)号：KR1020050102154A

公开(公告)日：2005-10-25

申请号：KR1020040026947

申请日：2004-04-20

Applicant: 현대자동차주식회사

Inventor： 장종석

IPC: G01N1/28

CPC classification number: G01N1/34 ,  G01N5/025 ,  G01N15/0272 ,  G01N33/2841

Abstract: 본 발명은 알루미늄 소재에 함유되어 있는 수소성분 함량을 측정하여, 알루미늄 소재의 주조 공정에서 수소에 의하여 기공이 발생하는 결함을 미리 견지할 수 있도록 한 알루미늄 소재의 수소성분 분석 방법에 관한 것이다.
이에, 본 발명은 표면 불순물이 제거된 알루미늄 샘플을 커팅머신(커팅휠)을 이용하여 적당한 크기의 시료로 가공하는 단계; 상기 시료를 일정한 크기의 원통형 막대 형상으로 가공 제작하는 단계; 상기 시료를 세척 및 건조시키는 단계; 상기 세척 및 건조 완료된 원통형 막대 형상의 시료를 데시게이터에 2시간 동안 보관하는 단계; 원통형 막대 형상의 시편을 수소 분석장비의 도가니에 넣어 수소의 함량을 측정/분석하는 단계로 이루어지는 알루미늄 소재의 수소성분 분석 방법을 제공한다.

公开(公告)号：KR100401769B1

公开(公告)日：2003-10-17

申请号：KR1020010024848

申请日：2001-05-08

Applicant: 현대자동차주식회사

Inventor： 장종석

IPC: B22F3/00

Abstract: PURPOSE: A method for pretreating special metals and sintered alloy using ultrasonic waves is provided to reduce pretreatment time by using an ultrasonic pretreatment unit, and contribute to cost reduction by minimizing the amount of acid and alkali reagents used. CONSTITUTION: In a method for wet pretreating the dissolved special metals and sintered alloy at a hot plate after dissolving special metals and sintered alloy into hydrochloric acid, nitric acid and hydrofluoric acid, the method for pretreating special metals and sintered alloy using ultrasonic waves comprises the process of pretreating the special metals and sintered alloy that are dissolved into hydrochloric acid, nitric acid and hydrofluoric acid through an ultrasonic pretreatment unit after dissolving special metals and sintered alloy into hydrochloric acid, nitric acid and hydrofluoric acid, wherein the pretreating step comprises the steps of continuously cooling the special metals and sintered alloy dissolved into hydrochloric acid, nitric acid and hydrofluoric acid at 300 W for 4 to 5 minutes and at 0 W for 1 to 2 minutes at an ordinary temperature, and ultrasonic treating the cooled special metals and sintered alloy at 400 W for 4 to 5 minutes and at 650 W for 4 to 5 minutes, the ultrasonic pretreatment unit has 90 to 100 mL of container volume, 100 bars of pressure and 1000 W of magnetron power, and the pretreatment temperature is 260 to 300 deg.C.

Abstract translation: 目的：提供一种使用超声波预处理特殊金属和烧结合金的方法，通过使用超声波预处理单元来减少预处理时间，并通过最小化所使用的酸和碱试剂的量来降低成本。 本发明涉及一种在将特殊金属和烧结合金溶解于盐酸，硝酸和氢氟酸后，在热板上湿法预处理溶解的特殊金属和烧结合金的方法，使用超声波预处理特殊金属和烧结合金的方法包括 在将特定金属和烧结合金溶解于盐酸，硝酸和氢氟酸之后，通过超声预处理单元对溶解在盐酸，硝酸和氢氟酸中的特殊金属和烧结合金进行预处理的工序，其中预处理步骤包括步骤 在300W下将溶解在盐酸，硝酸和氢氟酸中的特殊金属和烧结合金连续冷却4-5分钟，并在0W下在常温下连续冷却1-2分钟，然后对经过冷却的特殊金属进行超声波处理并烧结 400W合金4至5分钟和650W 4至5分钟， 超声波预处理单元容器容积为90〜100mL，压力为100巴，磁控管功率为1000W，预处理温度为260〜300℃。

公开(公告)号：KR100383993B1

公开(公告)日：2003-05-14

申请号：KR1020000084356

申请日：2000-12-28

Applicant: 현대자동차주식회사

Inventor： 장종석

IPC: G01N31/00

Abstract: PURPOSE: A pre-treatment method for catalyst analysis is provided to analyze, in an effective manner, the metallic components contained in a catalyst carrier. CONSTITUTION: A pre-treatment method comprises a first step of mixing aqua regia, wherein hydrochloric acid and nitric acid are mixed at the ratio of 3:1, and hydrofluoric acid(HF), solving and filtering the resultant material; a second step of melting the precipitate obtained in the first step, by using Na2O2; a third step of treating and filtering only the aqua regia; and a fourth step of melting the precipitate obtained in the third step, by using Na2O2. An analysis on Rh, Fe, P and Ti is pre-treated through the first process, and an analysis on Pt and Zr is pre-treated through the second or fourth process. An analysis on Ce, Ba, Ca, Mg, Zn and Al is pre-treated through the third or fourth process.

Abstract translation: 目的：提供催化剂分析的预处理方法，以有效的方式分析催化剂载体中所含的金属组分。 组成：一种预处理方法包括第一步混合王水，其中盐酸和硝酸以3:1的比例混合，并与氢氟酸（HF）混合，溶解和过滤所得材料; 通过使用Na 2 O 2熔化第一步骤中获得的沉淀物的第二步骤; 仅处理和过滤王水的第三步骤; 以及通过使用Na 2 O 2熔化第三步骤中获得的沉淀物的第四步骤。 对Rh，Fe，P和Ti的分析通过第一过程进行预处理，并且通过第二或第四过程对Pt和Zr的分析进行预处理。 对Ce，Ba，Ca，Mg，Zn和Al的分析通过第三或第四过程进行预处理。

公开(公告)号：KR1020020085367A

公开(公告)日：2002-11-16

申请号：KR1020010024848

申请日：2001-05-08

Applicant: 현대자동차주식회사

Inventor： 장종석

IPC: B22F3/00

Abstract: PURPOSE: A method for pretreating special metals and sintered alloy using ultrasonic waves is provided to reduce pretreatment time by using an ultrasonic pretreatment unit, and contribute to cost reduction by minimizing the amount of acid and alkali reagents used. CONSTITUTION: In a method for wet pretreating the dissolved special metals and sintered alloy at a hot plate after dissolving special metals and sintered alloy into hydrochloric acid, nitric acid and hydrofluoric acid, the method for pretreating special metals and sintered alloy using ultrasonic waves comprises the process of pretreating the special metals and sintered alloy that are dissolved into hydrochloric acid, nitric acid and hydrofluoric acid through an ultrasonic pretreatment unit after dissolving special metals and sintered alloy into hydrochloric acid, nitric acid and hydrofluoric acid, wherein the pretreating step comprises the steps of continuously cooling the special metals and sintered alloy dissolved into hydrochloric acid, nitric acid and hydrofluoric acid at 300 W for 4 to 5 minutes and at 0 W for 1 to 2 minutes at an ordinary temperature, and ultrasonic treating the cooled special metals and sintered alloy at 400 W for 4 to 5 minutes and at 650 W for 4 to 5 minutes, the ultrasonic pretreatment unit has 90 to 100 mL of container volume, 100 bars of pressure and 1000 W of magnetron power, and the pretreatment temperature is 260 to 300 deg.C.

Abstract translation: 目的：提供一种使用超声波预处理特殊金属和烧结合金的方法，以通过使用超声波预处理单元来减少预处理时间，并通过最小化使用的酸和碱试剂的量来降低成本。 构成：在将特殊金属和烧结合金溶解在盐酸，硝酸和氢氟酸中之后，在热板上湿法预处理溶解的特殊金属和烧结合金的方法中，使用超声波预处理特殊金属和烧结合金的方法包括 在将特殊金属和烧结合金溶解在盐酸，硝酸和氢氟酸中之后，通过超声波预处理单元预处理溶解在盐酸，硝酸和氢氟酸中的特殊金属和烧结合金的处理，其中预处理步骤包括步骤 在常温下将溶解在盐酸，硝酸和氢氟酸中的特殊金属和烧结合金在300W持续4〜5分钟，在0W下持续1〜2分钟，对被冷却的特殊金属进行超声处理，烧结 合金在400W下4〜5分钟，650W下4〜5分钟， 超声波预处理装置的容器容量为90〜100mL，压力为100巴，磁控管功率为1000W，预处理温度为260〜300℃。

公开(公告)号：KR101384523B1

公开(公告)日：2014-04-14

申请号：KR1020120127777

申请日：2012-11-12

Applicant: 현대자동차주식회사

Inventor： 이상남 ,  인정훈 ,  선종재 ,  장종석 ,  정이든

IPC: G01N1/28 ,  G01N21/73

Abstract: The present invention relates to a sample pretreating method for analysis of a permanent magnet using an inductively coupled plasma spectrometer. The method includes the steps of demagnetizing the sample of a permanent magnet; grinding the demagnetized sample; inputting the ground sample into a mixture acid mixed with nitric acid (HNO_3) and hydrochloric acid (HCl) in a volume ratio of 1:1.5 to 2.5; completely dissolving the sample in the mixture acid using microwaves; and cooling the completely dissolved sample. Since a quantitative analysis is standardized by an optimum method, the reliability of the analyzed results is improved.

Abstract translation: 本发明涉及使用电感耦合等离子体光谱仪分析永磁体的样品预处理方法。 该方法包括使永磁体的样品退磁的步骤; 研磨退磁样品; 将研磨的样品输入到与硝酸（HNO 3）和盐酸（HCl）混合的混合物中，体积比为1:1.5-2.5; 使用微波将样品完全溶解在混合酸中; 并冷却完全溶解的样品。 由于通过最佳方法对定量分析进行了标准化，因此提高了分析结果的可靠性。

公开(公告)号：KR1020080044475A

公开(公告)日：2008-05-21

申请号：KR1020060113376

申请日：2006-11-16

Applicant: 현대자동차주식회사

Inventor： 장종석

IPC: G01N35/00 ,  G01N31/00

Abstract: A pre-treatment method for analyzing Cr 6+ in a glass composition is provided to analyze a trace amount of Cr 6+ to the ppm level with less error. A pre-treatment method for analyzing Cr 6+ in a glass composition includes the steps of: (i) mixing ammonium hydrogen difluoride(NH4HF2), a diluted sulfuric acid solution(con H2SO5:water=1:1(v/v)), and water to obtain a decomposition solution with pH 3-3.5, adding a sample to the decomposition solution, and stirring the admixture for 15-30 minutes to perform a first decomposition; (ii) adding boric acid to the first decomposed products of the step (i), stirring the admixture for 10-15 minutes, cooling the admixture to ambient temperature, thereto adding 0.2 N of sulfuric acid, stirring the admixture for 5-15 minutes, and cooling the stirred material to ambient temperature; (iii) adding water to the solution of the step (ii) to make up to 100 mL; and (iv) separating 20 mL of the solution from 100 mL of the solution, thereto adding solutions of ethylenediaminetetraacetic acid and diphenylcarbazide, and thereto adding 0.2 N of sulfuric acid to make up to 100 mL.

Abstract translation: 提供了用于分析玻璃组合物中Cr 6+的预处理方法，以较少的误差分析痕量的Cr 6+至ppm水平。 用于分析玻璃组合物中Cr 6+的预处理方法包括以下步骤：（i）将二氟化氢铵（NH 4 HF 2），稀硫酸溶液（con H 2 SO 5：水= 1:1（v / v））混合， 和水，得到pH为3-3.5的分解溶液，向分解溶液中加入样品，搅拌混合物15-30分钟进行第一次分解; （ii）向步骤（i）的第一分解产物中加入硼酸，搅拌混合物10-15分钟，将混合物冷却至环境温度，加入0.2N硫酸，搅拌该混合物5-15分钟 ，并将搅拌的物料冷却至环境温度; （iii）向步骤（ii）的溶液中加入水以制成100mL; 和（iv）从100mL的溶液中分离出20mL的溶液，加入乙二胺四乙酸和二苯基卡巴肼的溶液，并加入0.2N的硫酸使其达到100mL。

公开(公告)号：KR1020020055021A

公开(公告)日：2002-07-08

申请号：KR1020000084356

申请日：2000-12-28

Applicant: 현대자동차주식회사

Inventor： 장종석

IPC: G01N31/00

Abstract: PURPOSE: A pre-treatment method for catalyst analysis is provided to analyze, in an effective manner, the metallic components contained in a catalyst carrier. CONSTITUTION: A pre-treatment method comprises a first step of mixing aqua regia, wherein hydrochloric acid and nitric acid are mixed at the ratio of 3:1, and hydrofluoric acid(HF), solving and filtering the resultant material; a second step of melting the precipitate obtained in the first step, by using Na2O2; a third step of treating and filtering only the aqua regia; and a fourth step of melting the precipitate obtained in the third step, by using Na2O2. An analysis on Rh, Fe, P and Ti is pre-treated through the first process, and an analysis on Pt and Zr is pre-treated through the second or fourth process. An analysis on Ce, Ba, Ca, Mg, Zn and Al is pre-treated through the third or fourth process.

Abstract translation: 目的：提供催化剂分析的预处理方法，以有效的方式分析催化剂载体中所含的金属组分。 构成：预处理方法包括将其中盐酸和硝酸以3:1混合的王水与氢氟酸（HF）混合的第一步骤，对所得材料进行求解和过滤; 熔融第一步得到的沉淀物中的Na 2 O 2的第二步骤; 仅处理和过滤王水的第三步; 和通过使用Na 2 O 2熔化在第三步骤中获得的沉淀物的第四步骤。 对Rh，Fe，P和Ti的分析通过第一工序进行预处理，并通过第二或第四工序预处理Pt和Zr的分析。 通过第三或第四过程对Ce，Ba，Ca，Mg，Zn和Al的分析进行预处理。

公开(公告)号：KR101326526B1

公开(公告)日：2013-11-08

申请号：KR1020120047948

申请日：2012-05-07

Applicant: 현대자동차주식회사

Inventor： 이상남 ,  장종석

IPC: G01N1/28 ,  G01N21/73

Abstract: The present invention relates to a sample preprocessing method for analyzing the content of rare-earth elements utilized for gasoline and a catalyst of a diesel engine and, more specifically, to the sample preprocessing method for analyzing the content of the rare-earth elements which enables the remarkable reduction of errors of a content analysis using an inductively coupled plasma (ICP) spectral device in comparison with an existing sample preprocessing method which is not standardized by preprocessing a sample of the rare-earth elements under optimized analysis conditions of microwaves at a rate of a mixed acid; and improves the reliability of an analysis result by standardizing with an optimal method. [Reference numerals] (AA) Sample pre-processing and analyzing method of catalyst rare-earth elements;(BB) In electric dryer at the temperature of 550~560 for one hour;(CC) Sample measurement three decimal places;(DD) Cutting the sample into three parts;(EE) Coarse-grinding of the sample;(FF) Fine grinding of the sample;(GG) Sample measurement four decimal places 0.25-0.30 g;(HH) Completely melting the sample;(II) Quantitative analysis for rare-earth elements

Abstract translation: 本发明涉及一种用于分析用于汽油的稀土元素和柴油发动机的催化剂的含量的样品预处理方法，更具体地，涉及用于分析稀土元素的含量的样品预处理方法，其使得能够 与现有的样品预处理方法相比，使用电感耦合等离子体（ICP）光谱装置的内容分析的误差显着减少，该方法在微波优化分析条件下以一定速率预处理稀土元素样品未进行标准化 的混合酸; 并通过最优方法进行标准化提高了分析结果的可靠性。 （AA）催化剂稀土元素的样品预处理和分析方法;（BB）在550〜560℃的电干燥器中1小时;（CC）样品测量三位小数;（DD） 将样品切成三部分;（EE）样品的粗磨;（FF）样品的细磨;（GG）样品测量四位小数0.25-0.30g;（HH）完全熔化样品;（II） 稀土元素的定量分析

公开(公告)号：KR100501654B1

公开(公告)日：2005-07-18

申请号：KR1020030023591

申请日：2003-04-15

Applicant: 현대자동차주식회사

Inventor： 장종석

IPC: G01N1/28

Abstract: 본 발명은 방출 분광분석기(Emission Spectrometer)를 이용한 함량분석시 요구되는 알루미늄 합금 소재 시료의 전처리 방법에 관한 것으로서, 벨트 그라인더의 표면 연마재로서 Si 및 C가 첨가된 기존의 SiC 샌드 페이퍼 대신 이들 원소가 포함되어 있지 않은 ZrO
2 페이퍼를 이용하고, 이와 동시에 시료의 세척 및 건조방법을 개선함으로써, 특히 알루미늄 합금 소재 내 극미량 첨가된 Si의 함량분석시 매우 정확한 측정치를 얻을 수 있고, 이에 1회의 분석만으로도 소재 개발 및 부품 관리에 필요한 정확한 데이터의 수집이 가능하여 결과적으로 전체적인 분석 비용 및 시간의 절감이 가능해지는 알루미늄 합금 소재의 함량분석을 위한 시료의 전처리 방법에 관한 것이다.

公开(公告)号：KR100439826B1

公开(公告)日：2004-07-12

申请号：KR1020020029279

申请日：2002-05-27

Applicant: 현대자동차주식회사

Inventor： 장종석

IPC: G01N1/00

Abstract: PURPOSE: A pre-treatment method for analyzing content of oxygen and nitride in a sample is provided to minimize a measuring error and to reduce cost by pre-treating the sample after cutting the sample in a proper size using a diamond wheel. CONSTITUTION: Impurities attached to a surface of a sample are removed by performing a surface-treatment process using a grinder having a diamond wheel. Then, the sample is cut into a plurality of slice-type samples by using a diamond wheel of the grinder. The slice-type samples are washed and dried in order to remove impurities from the slice-type samples. An rpm of the diamond wheel of the grinder is in a range about 2000 to 3000, and moving velocity of the diamond wheel of the grinder is in a range about 0.04 to 0.06mm/minute. The slice-type sample has a width of 2mm and a length of 3mm.

Abstract translation: 目的：提供一种用于分析样品中氧气和氮化物含量的预处理方法，以最小化测量误差并通过使用金刚石砂轮以适当尺寸切割样品之后预处理样品来降低成本。 构成：通过使用具有金刚石砂轮的研磨机执行表面处理工艺来去除附着于样品表面的杂质。 然后，通过使用研磨机的金刚石砂轮将样品切割成多个切片样品。 将切片样品洗涤并干燥以从切片样品中除去杂质。 研磨机的金刚石砂轮的转速为2000〜3000左右，研磨机的金刚石砂轮的移动速度为0.04〜0.06mm /分钟左右。 切片式样品的宽度为2mm，长度为3mm。