T H E R M O D Y N A M I C P R O P E R T I E S Calorimetry - Combustion


SRM Description 39j Benzoic Acid


2692b Coal, Bituminous: % S = 1.170 2685b Coal, Bituminous: % S = 4.730 2682b Coal, Sub-Bituminous: % S = 0.4917 2151 Nicotinic Acid


2684b Coal, Bituminous, Sulfur and Mercury: % S = 3.08; Hg = 97.4 µg/kg


1657 Synthetic Refuse-Derived Fuel


Heat of Combustion Unit Size (MJ/kg)*


26.434


(32.81)** (26.94)** (25.66)** 22.184


28.56** 13.87**


2683b Sulfur and Mercury in Coal: % S = 1.955, 30.62 Hg = 90.0 µg/kg


1656 Thianthrene 2152 Urea


33.480 10.536


(g) 30


50 50 50 25 50


100 50


30 25


* The calorific values (MJ/kg) may decrease upon the aging or normal oxidation of the coals. NIST will continue to monitor these calorific values and report any substantive change to the purchaser.


** Gross calorific value or HHV (Higher Heating Value).


Calorimetry - Solution SRM Description


1655 Potassium Chloride (Water Solution Calorimetry)


Heat of Solution


Unit Size Absorbed (235.86 J/g) 30 g


Enthalpy and Heat Capacity SRM Description


781D2 Molybdenum 705a Polystyrene


(Molecular Weight: 170 900 g/mol) 720 Synthetic Sapphire 15 g 10 to 2250


Unit Size


Temperature Range (K)


0.64 cm diameter 10 cm 273.15 to 2800 5 g


10 to 350


80


WWW.NIST.GOV/SRM  PHONE: (301) 975-2200  FAX: (301) 948-3730  EMAIL: SRMINFO@NIST.GOV


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52  |  Page 53  |  Page 54  |  Page 55  |  Page 56  |  Page 57  |  Page 58  |  Page 59  |  Page 60  |  Page 61  |  Page 62  |  Page 63  |  Page 64  |  Page 65  |  Page 66  |  Page 67  |  Page 68  |  Page 69  |  Page 70  |  Page 71  |  Page 72  |  Page 73  |  Page 74  |  Page 75  |  Page 76  |  Page 77  |  Page 78  |  Page 79  |  Page 80  |  Page 81  |  Page 82  |  Page 83  |  Page 84  |  Page 85  |  Page 86  |  Page 87  |  Page 88  |  Page 89  |  Page 90  |  Page 91  |  Page 92  |  Page 93  |  Page 94  |  Page 95  |  Page 96  |  Page 97  |  Page 98  |  Page 99  |  Page 100  |  Page 101  |  Page 102  |  Page 103  |  Page 104  |  Page 105  |  Page 106  |  Page 107  |  Page 108  |  Page 109  |  Page 110  |  Page 111  |  Page 112  |  Page 113  |  Page 114  |  Page 115  |  Page 116  |  Page 117  |  Page 118  |  Page 119  |  Page 120  |  Page 121  |  Page 122  |  Page 123  |  Page 124  |  Page 125  |  Page 126  |  Page 127  |  Page 128  |  Page 129  |  Page 130  |  Page 131  |  Page 132  |  Page 133  |  Page 134  |  Page 135  |  Page 136