±Ù»ç PH°ª
ACIDS [Ȑ]
Description ¸íĪ
°ª
Description ¸íĪ
°ª
Hydrochloric, N ¿°È­¼ö¼Ò, N
0.1
Formic, 0.1N Æ÷¸§»ê, 0.1N
2.3
Hydrochloric, 0.1N ¿°È­¼ö¼Ò, 0.1N
1.1
Lactic, 0.1N À¯»ê(¶ôÆ®»ê), 0.1N
2.4
Hydrochloric, 0.01N ¿°È­¼ö¼Ò, 0.01N
2.0
Acetic, N ÃÊ»ê, N
2.4
Sulfuric, N Ȳ»ê, N
0.3
Acetic, 0.1N ÃÊ»ê, 0.1N
2.9
Sulfuric, 0.1N Ȳ»ê, 0.1N
1.2
Acetic, 0.01N ÃÊ»ê, 0.01N
3.4
Sulfuric, 0.01N Ȳ»ê, 0.01N
2.1
Benzoic, 0.01N ¾È½ÄÇâ»ê, 0.01N
3.1
Orthophosphoric, 0.1N ¿À¸£ÅäÀλê, 0.1N
1.5
Alum, 0.1N ¸í¹Ý, 0.1N
3.2
Sulfurous, 0.1N ¾ÆÈ²»ê, 0.1N
1.5
Carbonic (saturated) ź»ê(Æ÷È­»óÅÂ)
3.8
Oxalic, 0.1N ¿Á»ì»ê, 0.1N
1.6
Hydrogen sulfide, 0.1N Ȳȭ¼ö¼Ò, 0.1N
4.1
Tartaric, 0.1N Ÿ¸£Å¸¸£»ê, 0.1N
2.2
Arsenious (saturated) ¾Æºñ»ê(Æ÷È­»óÅÂ)
5.0
Malic, 0.1N »ç°ú»ê, 0.1N
2.2
Hydrocyanic, 0.1N ½Ã¾ÈÈ­¼ö¼Ò»ê(û»ê), 0.1N
5.1
Citric, 0.1N ±¸¿¬»ê, 0.1N
2.2
Boric, 0.1N ºØ»ê, 0.1N
5.2
BASES [¿°±â]
Sodium hydroxide, N °¡¼º¼Ò´Ù, N
14.0
Ammonia, N ¾Ï¸ð´Ï¾Æ, N
11.5
Sodium hydroxide, 0.1N °¡¼º¼Ò´Ù, 0.1N
13.0
Ammonia, 0.1N ¾Ï¸ð´Ï¾Æ, 0.1N
11.1
Sodium hydroxide, 0.01N °¡¼º¼Ò´Ù, 0.01N
12.0
Ammonia, 0.01N ¾Ï¸ð´Ï¾Æ, 0.01N
10.6
Potassium hydroxide, N ¼ö»êÈ­Ä®·ý, N
14.0
Potassium, 0.01N Ä®·ý, 0.01N
11.0
Potassium hydroxide, 0.1N ¼ö»êÈ­Ä®·ý, 0.1N
13.0
Magnesia (saturated) »êÈ­¸¶±×³×½·(Æ÷È­»óÅÂ)
10.5
Potassium hydroxide, 0.01N ¼ö»êÈ­Ä®·ý, 0.01N
12.0
Sodium sesquicarbonate, 0.1N ź»ê³ªÆ®·ý,0.1N
10.1
Sodium metasilicate, 0.1N ±Ô»êÈ­³ªÆ®·ý, 0.1N
12.6
Ferrous hydroxide (saturated) ¼ö»êÈ­Á¦ÀÏö(Æ÷È­»óÅÂ)
9.5
Lime (saturated) ¼®È¸(Æ÷È­»óÅÂ)
12.4
Calcium carbonate (saturated) ¼ö»êÈ­Ä®½·(Æ÷È­»óÅÂ)
9.4
Sodium triphosphate, 0.1N »ïÀλ곪Ʈ·ý, 0.1N
12.0
Borax, 0.1N ºØ»ç, 0.1N
9.2
Sodium carbonate, 0.1N ź»ê³ªÆ®·ý, 0.1N
11.6
Sodium bicarbonate, 0.1N Áßź»ê³ªÆ®·ý, 0.1N
8.4
BIOLOGICAL MATERIALS [»ýü ¹°Áú]
Blood, plasma, human Ç÷¾×, Ç÷Àå(Àΰ£) 7.3-7.5 Duodenal contents, human ½ÊÀÌÁöÀå¾×(Àΰ£) 4.8-8.2
Spinal fluid, human ô¼ö¾×(Àΰ£) 7.3-7.5 Feces, human ¹è¼³¹°(Àΰ£) 4.6-8.4
Blood, whole, dog Ç÷¾×(°³) 6.9-7.2 Urine, human ¼Òº¯( Àΰ£) 4.8-8.4
Saliva, human Ÿ¾×(Àΰ£) 6.5-7.5 Milk, human Á¥(Àΰ£) 6.6-7.6
Gastric contents, human À§¾×(Àΰ£) 1.0-3.0 Bile, human ´ãÁó(Àΰ£) 6.8-7.0
FOODSTUFFS [½Ä·áǰ]
Apples »ç°ú 2.9-3.3 Milk, bovine ¿ìÀ¯,¼Ò°úµ¿¹° 6.3-6.6
Apricots »ì±¸ 3.6-4.0 Olives ¿Ã¸®ºê 3.6-3.8
Asparagus ¾Æ½ºÆÄ¶ó°Å½º 5.4-5.8 Oranges ¿À·»Áö 3.0-4.0
Bananas ¹Ù³ª³ª 4.5-4.7 Oysters ±¼,ÁøÁÖÁ¶°³ 6.1-6.6
Beans Äá 5.0-6.0 Peaches º¹¼þ¾Æ 3.4-3.6
Beers ¸ÆÁÖ 4.0-5.0 Pears ¹è 3.6-4.0
Blackberries °ËÀºµþ±â 4.9-5.5 Peas ¿ÏµÎÄá 5.8-6.4
Bread, white Èò»§ 5.0-6.0 Pickles, sour ÀýÀÓ¹°(½Å¸À) 3.0-3.4
Beets »çÅÁ¹« 4.9-5.5 Pickles, dill ÀýÀÓ¹°(¹Ì³ª¸®°ú) 3.2-3.6
Butter ¹öÅÍ 6.1-6.4 Pimento ÇǸàÅ䳪¹« 4.6-5.2
Cabbage ¾ç¹èÃß 5.2-5.4 Plums ¼­¾çÀڵΠ2.8-3.0
Carrots ´ç±Ù 4.9-5.3 Potatoes °¨ÀÚ 5.6-6.0
Cheese Ä¡Áî 4.8-6.4 Pumpkin È£¹Ú 4.8-5.2
Cherries ü¸® 3.2-4.0 Raspberries ³ª¹«µþ±â 3.2-3.6
Cider »çÀÌ´Ù 2.9-3.3 Rhubarb ´ëȲ 3.1-3.2
Corn ¿Á¼ö¼ö,°î¹° 6.0-6.5 Salmon ¿¬¾î 6.1-6.3
Crackers Å©·¡Ä¿ 6.5-8.5 Sauerkraut ¼Ò±ÝÀýÀÎ
¾ç¹èÃß
3.4-3.6
Dates ´ëÃß¾ßÀÚ 6.5-8.5 Shrimp ÀÛÀº »õ¿ì 6.8-7.0
Eggs, fresh . 7.6-8.0 Soft drinks û·®À½·á 2.0-4.0
Flour, wheat . 5.5-6.5 Spinach ½Ã±ÝÄ¡ 5.1-5.7
Gooseberries . 2.8-3.0 Squash °úÁóÀ½·á 5.0-5.4
Grapefruit . 3.0-3.3 Strawberries µþ±â 3.0-3.5
Grapes . 3.5-4.5 Sweet potatoes °í±¸¸¶ 5.3-5.6
Hominy (lye) ±½°Ô °£ ¿Á¼ö¼ö 6.8-8.0 Tomatoes Å丶Åä 4.0-4.4
Jams, fruit °úÀÏ Àë 3.5-4.0 Tuna ÂüÄ¡ 5.9-6.1
Jellies, fruit °úÀÏ Á¦¸® 2.8-3.4 Turnips ¼ø¹« 5.2-5.6
Lemons ·¹¸ó 2.2-2.4 Vinegar ½ÄÃÊ 2.4-3.4
Limes ¶óÀÓ 1.8-2.0 Water, drinking ¹° 6.5-8.0
Maple syrup ´Üdz´ç¹Ð 6.5-7.0 Wines °ú½ÇÁÖ 2.8-3.8

À¯Ã¼ÀÇ ºÐ·ù

¸ðµçÀ¯Ã¼´Â ´ºÅæ ¶Ç´Â ºñ´ºÅæ À¯Ã¼·Î ºÐ·ùµÇ¾îÁú ¼ö ÀÖ´Ù. Â÷ÀÌ´Â À¯Ã¼ÀÇ Tangential Stress
(´ÜÀ§ Ç¥¸é¿¡ ´ëÇÑ Ãþ[°íÁ¤Ç¥¸é À̵¿Ç¥¸é°£ ¸¶Âû·Â )¿Í Rate of Shear(Ãþ°£ÀÇ ¼ÓµµÂ÷¸¦ Ãþ°£ °Å¸®·Î ³ª´®)¿ÍÀÇ
°ü°èÀÌ´Ù.
¸¸¾à Á÷¼±À̰í À¯Ã¼´Â ¼Óµµº¯È­°¡" 0 "¿¡¼­ ¾Ð·Â(Stress)ÀÌ"0"·Î À̰ÍÀÌ ´ºÅæÀ¯Ã¼ÀÌ´Ù.
±×°ÍÀÌ ¾Æ´Ï¸é ºñ´ºÅæ À¯Ã¼ÀÌ°í ±×µéÀÇ ¼Óµµ º¯È­¿¡ ´ëÇÑ Stress CurveÀ» Åä´ë·Î °¢°¢ ¼¼ºÐÈ­ÁßÀÇ Çϳª·Î
¸ÕÀú ºÐ·ùµÇ¾ú´Ù.

Diagram of Fluid Equations

ºñ´ºÅæ À¯Ã¼¿¡ ´ëÇÏ¿©, ¼Óµµº¯È­´Â Á¡µµ¿¡ Á¾¼ÓÇÑ´Ù; ±×°ÍÀº À¯Ã¼°¡ ±×°ÍÀÇ ¼Óµµ¿¡ ´ëÇÑ ´õ³ô°Å³ª ´õ³·Àº
Stress¸¦ °®´Â´Ù. ÀÌµé Æ¯¼ºÀ» Åä´ë·Î À¯Ã¼´Â ¼¼ºÐÈ­ µÇ¾îÁú ¼ö ÀÖ´Ù.

Graph of Fluid Classifications

NEWTONIAN [´ºÅæ À¯Ã¼]
¹°
´ëºÎºÐÀÇ ¼Ò±Ý¹°
¿°·áÀÇ °æºÎÀ¯¹°
°í·ÉÅä(½½·¯¸®ÇÔÀ¯)
°íÁ¡µµ¿¬·á
°¡¼Ö¸°
µîÀ¯
´ëºÎºÐÀÇ ¸ðÅÍ¿ÀÀÏ
´ëºÎºÐÀÇ ±¤À¯
Graph of Newtonian Fluids
NON-NEWTONIAN [ºñ´ºÅæ À¯Ã¼]
YIELD PSEUDOPLASTIC, BINGHAM
PLASTIC, YIELD DILATANT
°í·ÉÅä (clay)
ÁøÈë (Mud)
Ÿ¸£ (Tar)
¿ÀÆó¼ö ½½·¯Áö
ºÐ´¢
°í³óÃà ºÒ¿¬¼º¿ÀÀÏ
¿­°¡¼Ò¼ºÆú¸®¸Ó¼Ö·ç¼Ç
Graph of Yield Pseudoplastic, Bingham Plastic, and Yield Dilatant Fluids
PSEUDOPLASTIC
¿ÀÆó¼ö ½½·¯Áö
Paper pulp(Á¾À̺о×)
Grease
Soap
Paint
Printer's ink
ÀüºÐ,³ì¸» (Starch)
À¯¾×,õ¿¬°í¹«¾×(Latex solutions)
À¯»ó¾×,°¨±¤¾×Á¦(Most emulsions)
Graph of Pseudoplastic Fluids
DILATANT
Àå¼®(Feldspar)
¿î¸ð(Mica)
°í·ÉÅä(Clay)
ÇØ»ç(Beach sand)
À¯»ç,Ç¥»ç(Quicksand)
ÀüºÐ¾×(Starch in water)
Graph of Dilatant Fluids
THIXOTROPIC - RHEOPECTIC
À×Å©
´ëºÎºÐÀÇ ÆäÀÎÆ®
Carboxymethyl cellulose
Silica gel
Greases
Asphalt
Starch
Bentonite
¼®°í¼ö¿ë¾×(Gypsum solutions in water
)

Thixotropic - decreases viscosity over time
Rheopectic - increases viscosity over time

Graph of Thixotropic/Rheopectic Fluids

¾çÁ¤°ú ¾Ð·ÂÀÇ ºñ±³
Equivalents of Head and Pressure
(in. and feet of water at 68¢ªF, in. and feet mercury at 32¢ªF)
  lb/in2 lb/ft2 Atm. kg/cm2 kg/m2 in.
water
ft.
water
in.
mmHg
mm
mmHg
Bars MPa
lb/in2 1 144 0.068046 0.070307 703.070 27.7276 2.3106 2.03602 51.7150 0.06895 0.006895
lb/ft2 0.006944 1 0.000473 0.000488 4088241 0.1926 0.01605 0.01414 0.35913 0.00048 0.000048
Atm. 14.696 2116.22 1 1.0332 10332.3 407.484 33.9570 29.921 760 1.01325 0.101325
kg/cm2 14.2233 2048.16 0.96784 1 10000 394.38 32.8650 28.959 735.559 0.98067 0.098067
kg/m2 0.001422 0.20477 0.000097 0.0001 1 0.03944 0.003287 0.0029 0.07356 0.00010 0.000010
in.
water
0.036092 5.1972 0.002454 0.00253 25.375 1 0.08333 0.07343 1.8651 0.00249 0.000249
ft.
water
0.432781 62.3205 0.029449 0.03043 304.275 12 1 0.88155 22.3813 0.02984 0.002984
in.
mmHg
0.491154 70.7262 0.033421 0.03453 345.316 13.6185 1.1349 1 25.4001 0.03386 0.003386
mm
mmHg
0.019337 2.78450 0.001316 0.00136 13.5951 0.53616 0.044680 0.03937 1 0.00133 0.000133
Bars 14.5038 2088.55 0.98692 1.01972 10197.2 402.156 33.5130 29.5300 750.062 1 0.10
MPa 145.038 20885.5 9.8692 10.1972 101972 4021.56 335.130 295.300 7500.62 10.0 1

À¯·® ºñ±³
Flow Equivalents for any Liquid
  US
gpm
Imp
gpm
US
million
gal/day
sec-ft³ m3/hr liters/sec barrels/min barrels/day
US gpm 1 0.8327 0.00144 0.00223 0.2271 0.0631 0.0238 34.286
Imp gpm 1.201 1 0.00173 0.002676 0.2727 0.0758 0.02859 41.176
US million gal/day 694.4 578.25 1 1.547 157.7 43.8 16.53 23810
sec-ft³ 448.83 373.7 0.646 1 101.9 28.32 10.686 15388
m3/hr 4.403 3.67 0.00634 0.00982 1 0.2778 0.1048 151
liters/sec 15.85 13.20 0.0228 0.0353 3.60 1 0.3773 543.3
barrels/min 42 34.97 0.0605 0.0937 9.538 2.65 1 1440
barrels/day 0.0292 0.0243 0.000042 0.000065 0.00662 0.00184 0.00069 1

üÀû°ú ¹«°Ô ºñ±³
Volume and Weight Equivalents
Weight Equivalent Basis Water at 60¢µ (15.6¡É)
  US
Gallons
Imp
Gallons
in3 ft3 Liters Meters3 Pounds US
Tons
Kg
US
Gallons
1 0.8327 231 0.13368 3.7854 0.0037854 8.338 0.00417 3.782
Imp
Gallons
1.20094 1 277.39 0.16054 4.546 0.004546 10.0134 0.005 4.542
in3 0.004329 0.003605 1 0.0005787 0.016387 0.000016387 0.036095 55409 0.016372
ft3 7.48052 6.229 1728 1 28.317 0.02832 62.3714 0.03119 28.291
Liters 0.2642 0.2200 61.024 0.035315 1 0.001 2.2029 0.0011 0.1000
Meters3 264.2 220.0 61024 35.315 1000 1 2202.65 1.10133 1000
Pounds 0.1199 0.09987 27.71 0.016033 0.4539 0.000454 1 0.0005 0.45359
US
Tons
239.87 199.7 55409 32.066 907.9 0.908 2000 1 907.2
Kg 0.2644 0.2202 61.08 0.03534 1 0.001 2.205 0.0011 1


Properties of Common Liquids
At 68¢µ and 14.7 psia
Liquid Density (lb/ft3) Bulk Modulus Acoustic Velocity
Pure Water 62.3 318(s) 4865
Seawater 63.9 344(s) 4993
Benzene 54.8 222(s) 4324
Methanol 49.3 144(s) 3678
Ethanol 49.3 155(s) 3812
Turpentine 54.2 223(s) 4363
At 68¢µ and 200 psia
Propane 30.8 25 (t) 2000-2500
Isobutane 35.0 41(t) 2200-2800
N-butane 35.8 53(t) 3100-3700

 

Physical Properties of Gases

(Approximate Values Calculated at 68¢µ and 147 psia)

cp = specific heat at constant pressure
cv = specific heat at constant volume 

Name of Gas Chemical Formula or Symbol Approx. Molecular Weight
M
Weight Density, Pounds per Cubic Foot
p
Specific Gravity Relative to Air
Sg
Individual Gas Constant
R
Specific Heat at Room Temperature Btu/Lb ¢µ Heat Capacity per Cubic Foot k
equal to
cp/cv
cp cv cp cv
Acetylene (ethyne) C2H2 26.0 .0682 0.907 59.4 0.350 0.269 .0239 .0184 1.30
Air -- 29.0 .0752 1.000 53.3 0.241 0.172 .0181 .0129 1.40
Ammonia H3N 17.0 .0448 .0596 91.0 0.523 0.396 .0234 .0178 1.32
Argon Ar 39.9 .1037 1.379 38.7 0.124 0.074 .0129 .0077 1.67
Butane C4H10 58.1 .1554 2.067 26.5 0.395 0.356 .0614 .0553 1.11
Carbon dioxide CO2 44.0 .1150 1.529 35.1 0.205 0.158 .0236 .0181 1.30
Carbon monoxide CO 28.0 .0727 0.967 55.2 0.243 0.173 .0177 .0126 1.40
Chlorine Cl 70.9 .1869 2.486 21.8 0.115 0.086 .0215 .0162 1.33
Ethane C2H6 30.0 .0789 1.049 51.5 0.386 0.316 .0305 .0250 1.22
Ethylene C2H4 28.0 .0733 0.975 55.1 0.400 0.329 .0293 .0240 1.22
Helium He 4.0 .01039 0.1381 386.3 1.250 0.754 .0130 .0078 1.66
Hydrogen chloride HCl 36.5 .0954 1.268 42.4 0.191 0.135 .0182 .0129 1.41
Hydrogen H 2.0 .00523 0.0695 766.8 3.420 2.426 .0179 .0127 1.41
Hydrogen sulphide H2S 34.1 .0895 1.190 45.2 0.243 0.187 .0217 .0167 1.30
Methane CH4 16.0 .0417 0.554 96.4 0.593 0.449 .0247 .0187 1.32
Methyl chloride CH3Cl 50.5 .1342 1.785 30.6 0.240 0.200 .0322 .0268 1.20

Natural gas

-- 19.5 .0502 0.667 79.1 0.560 0.441 .0281 .0221 1.27
Nitric oxide NO 30.0 .0780 1.037 51.5 0.231 0.165 .0180 .0129 1.40

Nitrogen

N 28.0 .0727 0.967 55.2 0.247 0.176 .0180 .0127 1.41

Nitrous oxide

N2O 44.0 .1151 1.530 35.1 0.221 0.169 .0254 .0194 1.31
Oxygen O 32.0 .0831 1.105 48.3 0.217 0.155 .0180 .0129 1.40
Propane C3H8 44.1 .1175 1.562 35.0 0.393 0.342 .0462 .0402 1.15
Propene (propylene) C3H6 42.1 .1091 1.451 36.8 0.358 0.314 .0391 .0343 1.14
Sulphur dioxide SO2 64.1 .1703 2.264 24.0 0.154 0.122 .0262 .0208 1.26

Note: Values for natural gas and air are representative only. Exact characteristics require knowledge of specific constituents.

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