An analysis was carried out on a 1.5-gram sample of feed, the moisture was 28%, and when estimating the protein there, it was used in dropping ammonia in boric acid 22.3 ml of hydrochloric acid of 0.1. The amount used for the calibration of the plank sample was 2.3 ml. Calculate: i. The amount of nitrogen. ii. The ash weight, if you know that the ash content is 6%. The percentage of crude protein base on natural (fresh) material.

An analysis was carried out on a 1.5-gram sample of feed, the moisture was 28%, and when estimating the protein there, it was used in dropping ammonia in boric acid 22.3 ml of hydrochloric acid of 0.1. The amount used for the calibration of the plank sample was 2.3 ml. Calculate: i. The amount of nitrogen. ii. The ash weight, if you know that the ash content is 6%. The percentage of crude protein base on natural (fresh) material.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter16: Applications Of Neutralization Titrations

Section: Chapter Questions

Problem 16.18QAP

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Question

the plank sample was 2.3 ml. Calculate:

i. The amount of nitrogen.

ii. The ash weight, if you know that the ash content is 6%.

The percentage of crude protein base on natural (fresh) material.

iv. The percentage of crude protein base on dry matter.

V. The percentage of crude protein base on organic matter.

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