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ISO 5439:1978 PDF

ISO 5439:1978 PDF

Name:
ISO 5439:1978 PDF

Published Date:
09/01/1978

Status:
Active

Description:

Acid-grade fluorspar -- Determination of available fluorine content -- Potentiometric method after distillation

Publisher:
International Organization for Standardization

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
SKU:
Choose Document Language:
$14.7
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Specifies a potentiometric method using a fluoride-ion sensitive electrode. After destillation of fluorine from the test portion in the presence of perchloric acid the distillate shall be titrated with lanthane nitrate solution. Applicable to products having a calcium fluoride content greater than 90 %.


File Size : 1 file , 380 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 6
Published : 09/01/1978

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