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1777 Jiangchuan Road
Shanghai Dianrui Instrument Co., Ltd
1777 Jiangchuan Road
Howard mold measuring device/Howard mold counting plate (including cover glass K20)
The Howard mold counting plate is suitable for direct microscopic counting of Howard mold in clear juice, turbid juice, water, and concentrated juice
(Tomato juice/sauce, potato sauce, etc.). The Howard mold counting plate is also known as the "Hao's measuring slide". The series we provide
The mold counting plate used for eggplant sauce is a counting plate made in the UK. The unique feature of this counting board design is that it breaks the display
The dilemma of using a Howard counting plate requires the use of an eyepiece micrometer (matching piece) for a microscope.
The standard experimental procedure is to sample, weigh, dilute, adjust the visual field, smear, observe, record, and calculate. We are slightly
Go to the process of sampling and dilution, see the usage of the technical pool, and find a biological microscope. The prerequisite for using a microscope is
The magnification of this microscope is accurate (calibrating a microscope is an important part of using a microscope!).
First adjust the magnification of the microscope to 100x: 10x for the eyepiece and 10x for the objective. Take out our set of Huo Hua
German counting plate: one counting plate slide (S60) and one cover slide (K20).
The design of the K20 cover piece is very ingenious, with 25 pieces with a diameter of 1.382mm displayed in the center of the 35x35mm cover piece
The circular transparent area ensures that the actual length of our field of view when observing an area is 1.382mm. This is also the case for mold
The standard field of view size required for counting. Each circular transparent area has engraved lines with a spacing of 0.1mm, which can be used to
Determine the length of mycelium.
S60 is a glass plate with a circular counting cell in the central area, measuring 76x35mm in size
After covering the film, the depth is 0.1mm, and the pool is where the sample is added!
Place the K20 cover on the circular shoulder of the S60 slide and observe whether there is any contact between the cover and the shoulder of the slide
Newton's ring, if no Newton's ring is generated, it indicates that it is not clean. It should be cleaned again until a Newton's ring is generated before it can be used in the counting cell. There are 25 fields of view that need to be checked and recorded one by one. The sample volume for each standard field of view is:
m2x0.1=3.1416x(1.382/2)2x0.1=0.15mm3,





