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Summary of Contents for Hanna Instruments HI 99121
- Page 1 Instruction Manual HI 99121 Soil pH Test Kit SPECIFICATIONS w w w . h a n n a i n s t . c o m...
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Page 2: Table Of Contents
WARRANTY TABLE OF CONTENTS All Hanna Instruments meters are warranted for two years against PRELIMINARY EXAMINATION ........... 3 defects in workmanship and materials when used for their intended WARRANTY ................. 3 purpose and maintained according to instructions. -
Page 3: Soil Ph
Each plant needs elements in different quantities and this is the SOIL p H reason why each plant requires a particular range of pH to optimize its growth. pH is the measure of the hydrogen ion concentration [H ]. Soil For example, iron, copper and manganese are not soluble in can be acid, neutral or alkaline, according to its pH value. - Page 4 High pH levels can depend on different elements, hence, there For best result, it is advisable to measure the pH of a soil solution, are different methods for its correction. using a sample of soil and soil preparation solution HI 7051; it is - Soils rich with limestone: better to use this procedure if you have to test a stony field in Add organic matter (this is due to the fact that non-organic...
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Page 5: Organic Substrate
ORCHARD PLANTS ORGANIC SUBSTRATE Preferred pH Range Preferred pH Range pH measurements of organic substrates is important in Apple 5-6.5 Orange Apricot Peach 6-7.5 greenhouses and nursery growing pots. pH should be checked Cherry 6-7.5 Pear 6-7.5 at the outset to make sure that the pH of the substrate bought Grapefruit 6-7.5 Plum... -
Page 6: Ph Meter Specifications
HOUSE PLANTS pH METER SPECIFICATIONS Preferred pH Range Preferred pH Range Abutilon 5.5-6.5 Gardenia African violet Geranium Anthurium Hibiscus Araucaria Jasmine 5.5-7 Azalea 4.5-6 Kalanchoe 6-7.5 Begonia 5.5-7.5 Mimosa Camellia 4.5-5.5 Orchid 4.5-5.5 Croton Palms 6-7.5 Cyclamen Peperomia Dieffenbachia Philodendron Dracaena Yucca 6-7.5... -
Page 7: Operating The Ph Meter
OPERATING THE pH METER pH MEASUREMENT & CALIBRATION o connect the probe • Make sure the meter has been calibrated before use. • If the probe is dry, soak it in HI 70300 storage solution for With the meter turned off, connect the HI 1292D probe to the DIN one hour to reactivate it. -
Page 8: Meter Setup
Hanna Instruments has developed a complete series of cleaning • For a two-point calibration, place the probe in pH 7.01 (or pH solutions dedicated to specific applications and kind of dirty that has 6.86) buffer. - Page 9 TECHNICAL SERVICE CONTACTS Australia: Tel. (03) 9769.0666 • Fax (03) 9769.0699 China: Tel. (10) 88570068 • Fax (10) 88570060 Egypt: Tel. & Fax (02) 2758.683 Germany: Tel. (07851) 9129-0 • Fax (07851) 9129-99 Greece: Tel. (210) 823.5192 • Fax (210) 884.0210 Indonesia: Tel.
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