ASTM E1189-00(2010)..
ASTM E123-02(2012)..
ASTM E124-94(2010)..
ASTM E1272-02(2012)..
ASTM E1273-88(2013)..
ASTM E1293-02(2012)..
Cookies
Wir benötigen Ihre Einwilligung zur Verwendung der einzelnen Daten, damit Sie unter anderem Informationen zu Ihren Interessen einsehen können. Klicken Sie auf "OK", um Ihre Zustimmung zu erteilen.
ASTM E287-02(2012)
Standard Specification for Laboratory Glass Graduated Burets
Automatische name übersetzung:
Standard-Spezifikation für Laborglas-graduierte Buretten
NORM herausgegeben am 1.11.2012
Informationen über die Norm:
Bezeichnung normen: ASTM E287-02(2012)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.11.2012
SKU: NS-46179
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM E287-02(2012) :
Keywords:
burets, glass, graduated, ICS Number Code 71.040.20 (Laboratory ware and related apparatus)
Ergänzende Informationen
| 1. Scope | |||||||
|
1.1 This specification covers requirements for glass burets of precision and general-purpose grades suitable for laboratory use. 1.1.1 Class A—Each buret of precision grade may be marked with the letter “A” to signify compliance with applicable construction and accuracy requirements in
|
|
Graduated Scale |
|
|
|||
|
Capacity, |
Subdivision, |
Class A |
Class B |
Distance, Top |
Class A |
Class A |
Class B |
|
10 |
0.05 |
350 to 450 |
250 to 450 |
30 to 75 |
0.5 |
0.02 |
0.04 |
|
25 |
0.1 |
350 to 450 |
250 to 450 |
30 to 75 |
1 |
0.03 |
0.06 |
|
50 |
0.1 |
500 to 600 |
500 to 600 |
40 to 100 |
1 |
0.05 |
0.10 |
|
100 |
0.2 |
550 to 650 |
550 to 650 |
40 to 100 |
2 |
0.10 |
0.20 |
Length
Graduated,
cm
Time of Out-
flow Not
Less Than, s
Length
Graduated,
cm
Time of Out-
flow Not Less
Than, s
15
30
45
80
20
35
50
90
25
40
55
105
30
50
60
120
35
60
65
140
40
70
70
160
1.1.2 Class B—General purpose burets are of the same basic design as Class A burets. However, volumetric tolerances for Class B burets shall be within twice the specified range allowed for Class A burets. These burets need not be marked with their class designation or serial number. See
Capacity, mL
Time of Outflow Not Less
Than, s
10
25
25
30
50
50
100
90
1.1.3 Product with a stated capacity not listed in this standard may be specified Class A Tolerance when product conforms to the tolerance range of the next smaller volumetric standard product listed in Table 1.
