🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BS EN ISO 4787:2021 – TC:2022 Edition

BS EN ISO 4787:2021 – TC:2022 Edition

$186.33

Tracked Changes. Laboratory glass and plastic ware. Volumetric instruments. Methods for testing of capacity and for use

Published By Publication Date Number of Pages
BSI 2022 76
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Categories: ,

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

PDF Catalog

PDF Pages PDF Title
48 National foreword
50 European foreword
53 Foreword
54 Introduction
55 1 Scope
2 Normative references
56 3 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
57 6.3 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
58 7.3 Cleanliness of surface
7.4 Conditions of used volumetric instruments
7.5 Delivery time and waiting time
59 8 Setting the meniscus
8.1 General
8.2 Setting the meniscus
8.2.1 Meniscus of transparent liquids
61 8.2.2 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
62 9.3.3 Pipettes adjusted to contain
9.3.4 Burettes adjusted to deliver
63 9.3.5 Pycnometers
9.4 Weighing
9.5 Volume and uncertainty calculation
64 10 Procedure for use
10.1 General
65 10.2 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)
66 10.5 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
67 Annex A (informative) Cleaning of volumetric glassware
68 Annex B (informative) Cleaning of volumetric plasticware
69 Annex C (normative) Calculation formulae and tables
73 Annex D (informative) Coefficient of cubic thermal expansion
74 Annex E (informative) Uncertainty estimation and repeatability calculation
75 Bibliography

Related products

BS EN ISO 4787:2021 - TC
$186.33