Produkte zur Aufbereitung von Wasser fuer den menschlichen Gebrauch. Dikaliummonohydrogenphosphat Chemicals used for treatment of water intended for human consumption Dipotassium hydrogen orthophosphat...
适用范围:This document is applicable to dipotassium hydrogen orthophosphate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the co...
实施日期:2005-03-31
Water quality. Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA). Method by continuous flow analysis (CFA)
适用范围:ISO 15681-2:2003 specifies CFA methods for the determination of orthophosphate in the mass concentration range from 0,01 mg/l to 1,00 mg/l P, and total phosphorus in the mass concentration range from 0...
Water quality. Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA). Part 2:Method by continuous flow analysis (CFA)
适用范围:This part of ISO 15681 specifies CFA methods for the determination of orthophosphate in the mass concentration range from 0,01 mg/l to 1,00 mg/l P, and total phosphorus in the mass concentration range ...
实施日期:2003-12-15
Produkte zur Aufbereitung von Wasser fuer den menschlichen Gebrauch. Dinatriummonohydrogenphosphat Chemicals used for treatment of water intended for human consumption Disodium hydrogen orthophosphate ...
适用范围:This document is applicable to disodium hydrogen orthophosphate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corre...
实施日期:2005-03-30
实施日期:2004-06-01
Water quality - Determination of orthophosphate and total phosphorus by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA)
适用范围:The document specifies CFA methods for the determination of orthophosphate in the mass concentration range from 0,01 mg/l to 1,00 mg/l (P), and total phosphorus in the mass concentration range from 0,1...
Produkte zur Aufbereitung von Wasser fuer den menschlichen Gebrauch. Trinatriumphosphat Chemicals Used for Treatment of Water Intended for Human Consumption-Trisodium Orthophosphate Produits chimiques ...
适用范围:This document is applicable to trisodium orthophosphate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding...
实施日期:2005-04-01
Determination of phosphorus in phosphate in mine water
适用范围:本标准规定用磷铝蓝分光光度法测定煤矿水中的正磷酸盐。 本标准适用于煤矿水中正磷酸盐的测定。在本标准规定条件下,测定正磷酸盐中的磷含量范围是0.008~1.6mg/L,稀释水样可扩大测定范围。
实施日期:1998-07-01
Verfahren zur Pruefung von Natriumtripolyphosphat (Pentanatrium-Triphosphat) und Natrium-Pyrophosphat (Tetranatrium-Pyrophosphat) fuer industrielle Zwecke. Kondensierte Phosphate fuer industrielle Zwec...
适用范围:Applicable to products with calcium contents equal to or greater than 50 mg/kg.
实施日期:1982-01-01
Fertilizers -- Extraction of phosphates soluble in mineral acids
适用范围:Specifies two equivalent methodes. They consist in dissolving the wanted substance in a mixture of hydrochloric and nitric acids or in a mixture of sulfuric and nitric acids.
发布日期:1984-10-01 实施日期:1984-10-01
Phosphatierueberzuege auf Metallen. Verfahren fuer die Festlegung von Anforderungen Phosphate Conversion Coatings of Metals-Method of Specifying Requirements Couches de conversion phosphatees des metau...
适用范围:This European Standard specifies a method of specifying requirements for phosphate conversion coatings, intended primarily for application to ferrous metals, aluminium, zinc, cadmium and their alloys (...
实施日期:2000-10-15
发布日期:2013-11-28 实施日期:2013-11-28
Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method.
Condensed phosphates for industrial use (including foodstuffs) -- Determination of calcium content -- Flame atomic absorption spectrometric method
适用范围:Applicable to products having Ca contents equal to or more than 50 mg/kg. The presence of soluble SiO2 up to 5 g/ml in the test solution does not interfere. Hydrolysis by boiling a test portion in hydr...
发布日期:1981-11-01 实施日期:1981-11-01
Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 1: Method by flow injection analysis (FIA)
适用范围:The document specifies FIA methods for the determination of orthophosphate in the mass concentration range from 0,01 mg/l to 1,0 mg/l (P), total phosphorus by manual digestion (described in ISO 6878:19...
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