- +8618437960706
- دوشنبه تا شنبه: 10:00 - 16:00 / یکشنبه تعطیل است
Хемијска анализа ватросталних производа и сировина који садрже силицијум-карбид — Део 1: Опште информације и припрема узорка
به خواندن ادامه دهید
ISO 21068-2, belirtilen sıcaklıklarda ısıl işlemle kütledeki değişimin belirlenmesi için analitik teknikleri ve toplam karbon içeriği, serbest karbon, silisyum karbür, silisyum, toplam silis ve silisyumun serbest silika içeriğinin belirlenmesi için yöntemleri belirtir.
به خواندن ادامه دهید
Buy ISO 21068-2:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products Part 2: Determination of loss on ignition, total carbon, …
به خواندن ادامه دهید
Buy ISO 21068-1:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products Part 1: General information and sample preparation from SAI Global
به خواندن ادامه دهید
ISO 10081-3:2003 : Classification of dense shaped refractory products Part 3: Basic products containing from 7 % to 50 % residual carbon: ISO 1927:1984 : Prepared unshaped refractory materials (dense and insulating) Classification: ISO 10060:1993 : Dense, shaped refractory products Test methods for products containing carbon: ISO …
به خواندن ادامه دهید
ISO 21068-3:2008 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free metallic and oxidic components in silicon carbide raw materials and refractory products. It applies only to silicon carbide materials that are not bonded with nitrogen. Nitride-bonded silicon carbide ...
به خواندن ادامه دهید
ISO 21068, Parts 1 to 3, are applicable to the analysis of all refractory products as classified in ISO 10081 [10] to [13] (shaped) and ISO 1927 [3] (unshaped) and raw materials containing carbon and/or silicon carbide. Therefore, ISO 21068, Parts 1 to 3, covers the full range of analysis from pure silicon carbide to
به خواندن ادامه دهید
BS EN ISO 21068-2:2008 National foreword This British Standard is the UK implementation of EN ISO 21068-2:2008. The UK participation in its preparation was entrusted to Technical Committee RPI/1, Refractory products and materials. A list of organizations represented on this committee can be obtained on
به خواندن ادامه دهید
ISO 21068-3, Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents [5] M ellor, J.W., Comprehensive Treatise on Inorganic and Theoretical Chemistry (London, John Wiley & Sons, 1972) [6]
به خواندن ادامه دهید
ISO 21068-1:2008 gives definitions and specifies techniques for the preparation of samples for the chemical analysis of silicon-carbide-containing raw materials and refractory …
به خواندن ادامه دهید
Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon (ISO 21068-2:2008) Datum objavljivanja: 26. 10. 2012.
به خواندن ادامه دهید
ISO 21068-2:2008(E) Introduction ISO 21068, Parts 1 to 3, have been developed from the combination of a Japanese standard JIS 2011 [6] and work items originally developed within CEN. Because there is a wide variety of laboratory equipment in use, the most commonly used methods are described.
به خواندن ادامه دهید
First edition Chemical analysis of silicon-carbide- containing raw materials and refractory products — Part 2: Determination of loss on ignition, total carbon, free carbon …
به خواندن ادامه دهید
Hemijska analiza vatrostalnih proizvoda i sirovina koji sadrže silicijum-karbid — Deo 2: Određivanje gubitka žarenjem ukupnog ugljenika, slobodnog ugljenika i silicijum-karbida, ukupnih i slobodnih silikata i ukupnog i slobodnog silicijuma
به خواندن ادامه دهید
DIN EN ISO 21068-2 : Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon (ISO 21068-2:2008)
به خواندن ادامه دهید
ISO 21068-3, Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents [9] Sastry B.S.R., Hummel F.A., Studies in Lithium Oxide Systems VII …
به خواندن ادامه دهید
DIN EN ISO 21068-3 legt Verfahren für die Bestimmung von Gesamtstickstoff und als Siliciumnitrid berechneten Stickstoff, Gesamtsauerstoff sowie freien metallischen und sauerstoffhaltigen Bestandteilen in Siliciumcarbid enthaltenden Rohstoffen und feuerfesten Erzeugnissen fest. Die Norm gilt nur für Werkstoffe aus nicht nitridgebundenem ...
به خواندن ادامه دهید
EN ISO 21068-2 wurde vom Technischen Komitee ISO/TC 33 "Refractories" in Zusammenarbeit mit dem Technischen Komitee CEN/TC 187 "Feuerfeste Erzeugnisse und Werkstoffe", dessen Sekretariat vom BSI (Vereinigtes …
به خواندن ادامه دهید
ISO 21068-3:2008 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free metallic and oxidic components in …
به خواندن ادامه دهید
ISO 21068-2:2008, Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon
به خواندن ادامه دهید
BS EN ISO 21068-1:2008 National foreword This British Standard is the UK implementation of EN ISO 21068-1:2008. The UK participation in its preparation was entrusted to Technical Committee RPI/1, Refractory products and materials. A list of organizations represented on this committee can be obtained on request to its secretary.
به خواندن ادامه دهید
DIN EN ISO 21068-2:2008-12. CHEMICAL ANALYSIS OF SILICON-CARBIDE-CONTAINING RAW MATERIALS AND REFRACTORY PRODUCTS - PART …
به خواندن ادامه دهید
ISO 21068-2:2008 specifies analytical techniques for the determination of change in mass by thermal treatment at specified temperatures, and methods for the determination of the total carbon content, free carbon, silicon carbide, silicon, total silica and free silica content of silicon-carbide-containing raw materials and refractory products.
به خواندن ادامه دهید
Hemijska analiza vatrostalnih proizvoda i sirovina koji sadrže silicijum-karbid — Deo 3: Određivanje azota, kiseonika, metala i oksida
به خواندن ادامه دهید
This part of ISO 21068 is applicable to the analysis of all refractory products classified in ISO 10081 to (shaped) and ISO 1927 [1] (unshaped) and raw materials containing carbon and/or silicon carbide.
به خواندن ادامه دهید
Телефон: +359 2 8174 523, +359 2 8174 504 E-mail: [email protected] София 1797, ул. "Лъчезар Станчев" 13, ж.к. "Изгрев"
به خواندن ادامه دهید
buy uni en iso 21068-1 : 2008 chemical analysis of silicon-carbide containing raw materials and refractory products - part 1: general information and sample preparation from sai global
به خواندن ادامه دهید
Buy EN ISO 21068-3:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008) from SAI Global
به خواندن ادامه دهید
ISO 21068, Parts 1 to 3, are applicable to the analysis of all refractory products as classified in ISO 10081 [10] to [13] (shaped) and ISO 1927 [3] (unshaped) and raw materials containing carbon and/or silicon carbide. Therefore, ISO 21068, Parts 1 to 3, covers the full range of analysis from pure silicon carbide to oxidic refractory composition with low …
به خواندن ادامه دهید
Buy EN ISO 21068-1:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 1: General information and sample preparation (ISO 21068-1:2008) from SAI Global
به خواندن ادامه دهید
This part of ISO 21068 gives definitions and specifies techniques for the preparation of samples for the chemical analysis of silicon-carbide-containing raw materials and …
به خواندن ادامه دهید
It includes details of sample preparation and general principles for qualitative and quantitative analysis of mineralogical phase composition. Quantitative determination of -Si3N4, -Si3N4, Si2ON2, AlN, and SiAlON are described. NOTE For the refinement procedures the total nitrogen content, analysed in accordance with ISO 21068-3 is needed.
به خواندن ادامه دهید
buy din en iso 21068-3:2008-12 chemical analysis of silicon-carbide-containing raw materials and refractory products - part 3: determination of nitrogen, oxygen and metallic and oxidic constituents from sai global
به خواندن ادامه دهید
Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon (ISO 21068-2:2008); German version EN ISO 21068-2:2008
به خواندن ادامه دهید
Хемијска анализа ватросталних производа и сировина који садрже силицијум-карбид — Део 3: Одређивање азота, кисеоника, метала и оксида
به خواندن ادامه دهید