{"id":389821,"date":"2024-10-20T03:51:47","date_gmt":"2024-10-20T03:51:47","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-47872021\/"},"modified":"2024-10-26T07:05:59","modified_gmt":"2024-10-26T07:05:59","slug":"bs-en-iso-47872021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-47872021\/","title":{"rendered":"BS EN ISO 4787:2021"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nNational foreword <\/td>\n<\/tr>\n
4<\/td>\nEuropean foreword <\/td>\n<\/tr>\n
7<\/td>\nForeword <\/td>\n<\/tr>\n
8<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
10<\/td>\n3 Terms and definitions
4 Principle
5 Volume and reference temperature
5.1 Unit of volume
5.2 Reference temperature
6 Apparatus and calibration liquid
6.1 Balance
6.2 Measurement devices <\/td>\n<\/tr>\n
11<\/td>\n6.3 Calibration liquid
6.4 Receiving vessel
7 Factors affecting the accuracy of volumetric instruments
7.1 General
7.2 Temperature
7.2.1 Temperature of the volumetric instrument
7.2.2 Temperature of calibration liquid <\/td>\n<\/tr>\n
12<\/td>\n7.3 Cleanliness of surface
7.4 Conditions of used volumetric instruments
7.5 Delivery time and waiting time <\/td>\n<\/tr>\n
13<\/td>\n8 Setting the meniscus
8.1 General
8.2 Setting the meniscus
8.2.1 Meniscus of transparent liquids <\/td>\n<\/tr>\n
15<\/td>\n8.2.2 Meniscus of opaque liquids
9 Calibration procedure
9.1 General
9.2 Test room
9.3 Filling and delivery
9.3.1 Volumetric flasks and measuring cylinders
9.3.2 Pipettes adjusted to deliver <\/td>\n<\/tr>\n
16<\/td>\n9.3.3 Pipettes adjusted to contain
9.3.4 Burettes adjusted to deliver <\/td>\n<\/tr>\n
17<\/td>\n9.3.5 Pycnometers
9.4 Weighing
9.5 Volume and uncertainty calculation <\/td>\n<\/tr>\n
18<\/td>\n10 Procedure for use
10.1 General <\/td>\n<\/tr>\n
19<\/td>\n10.2 Volumetric flasks (in accordance with ISO 1042 or ISO 5215)
10.3 Measuring cylinders (in accordance with ISO 4788 orISO6706)
10.4 Burettes (in accordance with ISO 385) <\/td>\n<\/tr>\n
20<\/td>\n10.5 Pipettes
10.5.1 Pipettes adjusted to deliver (seeISO 648andISO 835, or other pipettes, e.g. plastic ones)
10.5.2 Pipettes adjusted to contain
10.6 Pycnometers <\/td>\n<\/tr>\n
21<\/td>\nAnnex A (informative) Cleaning of volumetric glassware <\/td>\n<\/tr>\n
22<\/td>\nAnnex B (informative) Cleaning of volumetric plasticware <\/td>\n<\/tr>\n
23<\/td>\nAnnex C (normative) Calculation formulae and tables <\/td>\n<\/tr>\n
27<\/td>\nAnnex D (informative) Coefficient of cubic thermal expansion <\/td>\n<\/tr>\n
28<\/td>\nAnnex E (informative) Uncertainty estimation and repeatability calculation <\/td>\n<\/tr>\n
29<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Laboratory glass and plastic ware. Volumetric instruments. Methods for testing of capacity and for use<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":389830,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[998,2641],"product_tag":[],"class_list":{"0":"post-389821","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-71-040-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/389821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/389830"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=389821"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=389821"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=389821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}