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On-site blue-green algae determination method using rapid determinator

A rapid determination and determination method technology, applied in the direction of instruments, measuring devices, scientific instruments, etc., can solve problems such as research difficulties in the distribution of cyanobacteria

Active Publication Date: 2020-04-14
JINAN UNIVERSITY
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Problems solved by technology

In addition, sampling analysis has brought practical difficulties to the study of the distribution of cyanobacteria in different regions, different depths, different times, and different turbidity conditions in the water body.

Method used

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  • On-site blue-green algae determination method using rapid determinator
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  • On-site blue-green algae determination method using rapid determinator

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Embodiment Construction

[0021] The present invention will be described in further detail below.

[0022] Such as Figure 1 to Figure 4 Shown, a kind of on-the-spot cyanobacteria measuring method that uses fast measuring instrument comprises the following steps, step 1, adjust the optical path of vertical absorbance measuring device 14 and horizontal absorbing rate measuring device 10 according to concrete water body turbidity, guarantee vertical absorbing rate measuring device The optical path center of 14 is on the same horizontal plane as the optical path center of the horizontal absorbance measuring device 10, and the optical paths are equal; Step 2, correcting the horizontal absorbing rate measuring device 10 and the vertical absorbing rate measuring device 14; Step 3, correcting the vertical absorbing rate measuring device 14; Photometric sensor 12 and multi-head digital conversion instrument are calibrated; step 4, put the rapid measuring instrument into the water stably, observe the readings, ...

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Abstract

The invention relates to an on-site blue-green algae determination method by using a rapid determinator. The method comprises the following steps: step 1, determining optical paths of a vertical absorptivity determination device and a horizontal absorptivity determination device according to specific water conditions, and setting hardware; step 2, verifying the determination devices, a sensor andthe like; and step 3, starting determination, reading and recording measurement time, water surface illumination, air temperature and water temperature, recording a measurement depth, underwater illumination, temperature, horizontal absorptivity and vertical absorptivity, to obtain the most real blue-green algae distribution data.

Description

technical field [0001] The invention relates to the field of environmental testing, in particular to a method for measuring cyanobacteria on site using a rapid measuring instrument. Background technique [0002] The existing cyanobacteria counting or determination is mainly carried out in the laboratory. This may be because the determination of cyanobacteria mostly borrows general testing techniques and equipment, such as hemocytometers, or fluorescence photometers. In-house testing requires sampling, storage and transportation. Even those portable instruments require on-site sampling. For all tests requiring sampling, the representativeness of the sample taken is always unknown. For example, tiny particles may precipitate in the sample bottle, may collide with each other and combine, may adsorb on the sample bottle wall, and other changes may occur during this period, especially for living organisms such as cyanobacteria. In addition, sampling analysis brings practical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/00
CPCG01N15/00G01N15/01
Inventor 陈旗新张小雨王国梁
Owner JINAN UNIVERSITY
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