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    • 2. 发明公开
    • 랑카스타법으로 침출한 토양의 유효인산을몰리브덴화합물-비스뮤트서브카보네이트 혼합시약과아스코르브산을 별도로 첨가하여 분광광도계로 정량하는방법
    • 用分光光度计测量土壤有效磷酸的量的方法通过添加添加多糖酸双羟萘酸和抗坏血酸
    • KR1020020004175A
    • 2002-01-16
    • KR1020000037773
    • 2000-07-03
    • 현 해 남강동일주식회사 소일테크
    • 현해남강동일고광섭장공만한명의정희성
    • G01N21/31
    • PURPOSE: A measuring method of effective phosphorus acid of soil with a spectrophotometer is provided to promote simple measuring of effective phosphorus acid in soil by measuring absorbance with a spectrophotometer after coloring the effective phosphorus acid in soil with molybdic acid-bismuth subcarbonate and ascorbic acid. CONSTITUTION: To produce molybdic acid-bismuth subcarbonate used as a coloring agent, bismuth subcarbonate is dissolved in sulfuric acid of high concentration, ammonium molybdate, molybdic acid, sodium molybdate or potassium molybdate are additionally dissolved in distilled water. The two kinds of solutions are mixed. After the molybdic acid-bismuth subcarbonate is produced, the liquid type molybdic acid-bismuth subcarbonate and powder type ascorbic acid are additionally added to soil sampling liquid and standard solution respectively to color the solutions. The sampling liquid is colored by additionally adding the molybdic acid-bismuth subcarbonate and the ascorbic acid. Then, the optimum absorbance wavelength for measuring phosphorus acid in soil is decided. The coloring agent is added to the standard phosphorus acid solution, and the absorbance thereof is measured to obtain a standard curved graph. The content of effective phosphorus acid in soil is obtained by the existing method and the current method. The measured content of effective phosphorus acid in soil is compared and analyzed. If molybdic acid-bismuth subcarbonate not containing ammonium is used as a coloring agent, the treatment cost of waste agent is reduced.
    • 目的:通过分光光度计测定土壤有效磷酸的测量方法,通过分光光度计测量吸附有效磷酸,通过钼酸铋 - 碳酸亚铁和抗坏血酸对土壤中的有效磷酸进行着色,从而简单测量土壤中有效的磷酸。 构成:为了生产用作着色剂的碳酸铋 - 碳酸铋,将碳酸铋溶解在高浓度的硫酸中,将钼酸铵,钼酸,钼酸钠或钼酸钾另外溶解在蒸馏水中。 两种解决方案是混合的。 在生产钼酸铋 - 碳酸铋之后,分别将液态钼酸铋 - 碳酸铋和粉末型抗坏血酸分别添加到土壤取样液和标准溶液中以使溶液着色。 通过另外加入碳酸铋 - 碳酸亚铁和抗坏血酸来对取样液进行着色。 然后,确定测定土壤中磷酸的最佳吸光度波长。 将着色剂加入到标准的磷酸溶液中,并测量其吸光度以获得标准曲线图。 通过现有方法和目前的方法得到土壤中有效磷酸含量。 比较和分析了土壤中有效磷酸含量的测定。 如果使用不含铵的钼酸铋 - 次铋作为着色剂,则废料的处理成本降低。
    • 4. 发明公开
    • 수돗물 중의 잔류염소를 분광광도계로 정량하는 방법
    • TAP水中残留氯离子的光谱测定方法
    • KR1020020088470A
    • 2002-11-29
    • KR1020010026936
    • 2001-05-17
    • 주식회사 소일테크강동일현 해 남
    • 현해남강동일
    • G01N21/31
    • PURPOSE: A spectrophotometric determination method is provided to reduce error and achieve improved accuracy by adding orthotoluidine solution through droplets rather than using a pipet. CONSTITUTION: A spectrophotometric determination method comprises a first step of arranging 3 to 5 ml of test sample into a container; a second step of developing color of test sample by adding 3 to 7 droplets of orthotoluidine solution through the use of droplet reagent bottle which permits addition of droplets in the unit of 0.03 ± 0.004g; a third step of measuring absorptivity of the color developed sample at the wavelength of 408 to 476mm by using a spectrophotometer; and a fourth step of converting the measured absorptivity into density by applying the measured absorptivity to a standard curve formula.
    • 目的:提供一种分光光度测定方法,通过使用滴液而不是使用移液管,通过滴加奥托吡啶溶液来减少误差并提高准确度。 构成:分光光度法测定方法包括将3至5ml试样置于容器中的第一步骤; 通过使用允许以0.03±0.004g为单位添加液滴的液滴试剂瓶,通过加入3至7滴的依托泊啶溶液来开发测试样品的颜色的第二步骤; 通过使用分光光度计测量显色样品在408至476mm的波长处的吸光度的第三步骤; 以及通过将测量的吸收率应用于标准曲线公式来将测量的吸收率转换成密度的第四步骤。
    • 7. 发明公开
    • 구리의 흡착과 분광광도계를 이용한 토양양이온치환용량의 속성측정방법
    • 通过吸收铜和光谱仪测定土壤磷酸盐替代能力的方法
    • KR1020010094432A
    • 2001-11-01
    • KR1020000016665
    • 2000-03-30
    • 현 해 남오상실강동일주식회사 소일테크
    • 현해남강동일오상실고광섭장공만한명의정희성
    • G01N30/00
    • G01N21/31G01N30/02B01D15/36
    • PURPOSE: A method for speedy measuring of a positive ion substitution capacity by copper adsorption and a spectro-photometer is provided to simplify the analysis manipulation to be carried out in a short time by using a copper solution, thereby precisely recognizing an amount of fertilizer used in the soil at a low cost. CONSTITUTION: In a method for speedy measuring of a positive ion substitution capacity of soil, a copper solution is added to the soil to be adsorbed and saturated so that a concentration of remains of the copper solution is measured by a spectro-photometer, wherein the copper solution includes copper acetate, sulfur copper, chloride copper(II), phosphate copper, copper acetylacetonate, nitric acid copper, copper oxide and the like and has a concentration of 0.02-2N to be added to 0.1-20.0g of the soil so that copper ions are saturated and adsorbed to negative charges of the soil.
    • 目的:通过铜吸附快速测定正离子取代能力的方法和分光光度计,以简化通过使用铜溶液在短时间内进行的分析操作,从而精确识别使用的肥料量 在土壤中以低成本。 构成:在快速测定土壤的正离子取代能力的方法中,向土壤中添加铜溶液进行吸附饱和,通过分光光度计测定铜溶液的残留物浓度,其中, 铜溶液包括乙酸铜,硫铜,氯化铜(II),磷酸铜,乙酰丙酮铜,硝酸铜,氧化铜等,并且具有0.02-2N的浓度以加入到0.1-20.0g的土壤中 铜离子饱和并吸附到土壤的负电荷。