FAQ | CKIC

Home > FAQ

Why the Qb(bomb calorific value) should minus 40J to get the calorific value of benzoic acid?

As described in ASTM D5865-2010, the nitric acid correction for a 340-ml oxygen bomb is found to be 41.9J(10.0 calories) when the released energy corresponds to that liberated by one gram of benzoic acid.26.45KJ. for more details pls refer to ASTM D5865 10.6.1.2.
Instruction of Upgrade of 5E-MF6100 for Ash

For details, please check:

Instruction of Upgrade of 5E-MF6100 for Ash.pdf
what if ignition failure with sample burnt completely?

When software show ignition failure, and check the sample burnt completely.

1. Click “Diagnostic ” into hardware debugging, you can find the temperature of sensor, then you touch sensor by hand, check temperature increase or not. If not, temperature sensor is broken; if yes, check the stir.

2. Open balance valve, let water fill full of bucket, then close the cover but not complete to make sure you can see the stick of stir, click “stirring” in hardware debugging, check it works or not. If not, the stir component is broken; if yes, maybe water in bucket is not enough during analysis.
What if weight is not correct in analysis interface?

Sometimes the software shows the wrong weight during analysis in TGA as showed in pic blew, 10000 times than the real weight(27.5913g):To solve this problem, we need to change the language into English (United State) and location into USA (United State) in language setting in control panel.
How to solve the problem that no power for instrument?

For details, please check:

How to solve the problem that no power for instrument?.pdf
How to check the gas leak of 5E-S3200?

1. First, open the pump by software. The flowmeter will show the gas flow. Normally the flow is 1.0 L/min.

2. Close the filter switch, the flow will fall down. If the flow can less than 0.4 L/min, it’s mean the gas circuit is good.

Showing page 1 of 9

1 2 3 4

Quick Links

Why the Qb(bomb calorific value) should minus 40J to get the calorific value of benzoic acid?

Instruction of Upgrade of 5E-MF6100 for Ash

what if ignition failure with sample burnt completely?

What if weight is not correct in analysis interface?

How to solve the problem that no power for instrument?

How to check the gas leak of 5E-S3200?